Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
News
Home > News
Exolit OP1400 VS ProFlam-PN4131
2023 / 12 / 05
ProFlam-PN4131 is a non-halogenated flame retardant based on organic phosphinates for reinforced polyamide 6, polyamide 66 and high temperature polyamides. The product achieves its flame retardant effect through a combined gas phase and condensed phase mode of action. It can replace Exolit OP1400 which is launched by Clariant recently. Benefits: -Suited for applications in hot and humid environments -Outstanding thermal stability - widest processing window -UL 94V-0 rating down to 0.4 mm thickness -The flame retardant polyamide compounds exhibit very good physical and excellent electrical properties -Low material density -Good colorability -Good contrast in laser marking -Non-halogenated flame retardants with favorable environmental and health profile -Shows a high-potential for mechanical recycling while maintaining the flame retardancy and other properties. -Don't include Melamine Polyphosphate Applications: PN4131 was developed especially for use in polyamides. It is suited for polyamide 6 and 66 as well as polyphthalamides and other high temperature polyamides, e.g. PA 46, for both glass-fiber-reinforced and unreinforced grades. The flame retarded polyamide compounds exhibit ve
The most practical PVC processing aid
2023 / 07 / 22
The most practical PVC processing aid Its structure is between the two structures, such as ABS. Specific varieties of PVC resin are: (1) Chlorinated polyethylene (CPE): A powdery product that uses HDPE to suspend chlorination in the water phase. As the degree of chlorination increases, the original crystalline HDPE gradually becomes an amorphous elastomer. CPE used as a toughening agent generally contains 25%-45% Cl. In the production of PVC pipes and profiles, most factories use CPE. The amount added is generally 5-15 parts. (2) ACR: It is the best impact modifier developed in recent years, which can increase the impact strength of materials dozens of times. It is suitable for impact modification of PVC plastic products used outdoors. It is used in PVC plastic door and window profiles. It has the characteristics of good processing performance, smooth surface, good aging resistance, and high weld angle strength, but the price is about 1/3 higher than CPE. (3) MBS: The solubility parameter is between 9.4 and 9.5, which is close to that of PVC, so it has better compatibility with PVC. After adding PVC, it can be made into a transparent product. Generally, adding 10-17 parts to PVC can increase the impact strength of PVC by 6-15 times, but when the amount of MBS added is 30 parts larger, the impact strength of PVC will decrease instead. The price of MBS is relatively high, and it is often used together with other additives such as EAV, CPE, and SBS. MBS has poor heat resistance and poor weather resistance, so it is not suitable for long-term outdoor use, and generally does not need to be used as plastic door and window profiles. (4) ABS: It is mainly used as engineering plastics, and also used as PVC impact modification, and the effect of low temperature impact modification is also very good. When the amount of ABS added reaches 50 parts, the impact strength of PVC can be equivalent to that of pure ABS.
Characteristics of additives used in the processing of PVC
2023 / 07 / 22
PVC processing requires the use of many additives, thanks to which it is possible to obtain products for different purposes and with different levels of flexibility.PVC is very easily modified and therefore its properties can be freely customized to very different requirements depending on the intended use.Modification is accomplished through the appropriate selection of PVC blend components.A variety of stabilizers, plasticizers, impact and flow modifiers, fillers, and other additives are used to produce PVC plastics. A feature that distinguishes PVC from other thermoplastic materials is the ability to modify its physical and mechanical properties via plasticizing, which has long been a widely used means of modification.Plasticizers are added to PVC in order to achieve the required level of flexibility of the end product.Their main task is to decrease the Tg (the glass transition temperature) of the PVC, which in turn leads to a lowering of the gelling and moulding temperature during processing.This also leads to a permanent improvement of the properties of the polymer, including itsflexibility, impact resistance and resistance to low temperatures.Plasticizers, which this article provides a general overview of, are one of the wide array of additives used in PVC processing. They will be discussed in more detail in subsequent articles.Plasticizers can be classified based on different criteria, such as: – process characteristics (high-temperature, low-temperature plasticizers), – type of chemical (phthalates, phosphates, polyesters etc.), – molecular weight (monomeric, polymeric). The most common plasticizer groups include: phthalic acid esters (DEHP, DIDP, DINP) (DTDP), adipic acid esters (DINA), (DIDA) – added to products used in low temperatures, sebacic acid esters (DBS), (DOS) – provide PVC plastificates with resistance to low tem
Flame retardant is indispensable
2023 / 07 / 22
In order to meet fire safety requirements and diminish fire hazards, different solutions have been developed. Various chemical and physical strategies have evolved to prevent polymers from burning or to lower the heat release amount. Recently, flame retardants (FRs) have been widely recognized as fire safety tools capable of lowering the number of fire injuries and death. The term flame retardant refers to a diverse group of chemicals that are added to synthesis materials, such as, plastics to prevent or slow down the combustion process. Adding flame retardants to polymers, fibers, and papers are an expanding trend that can protect the final product from burning. Therefore, it is clear that flame retardants are an important part of polymer composite formulations. Role of FRs is significant for those cases that polymers have a high chance of being exposed to the ignition source (like in electronics and electrical applications), and those where polymers can ignite and spread fire quickly (like in residential and industrial buildings, limiting evacuation, and transportation). Novista Group supplies APP, MCA, aluminium hydroxide,magnesium hydroxide to global market.
2023 / 07 / 22
According to their specific mechanisms, fire retardants interrupt polymer pyrolysis in one or more steps. Three of the most common flame retardancy mechanisms are described in previous studies. Gas phase inhibition mechanism, where the FRs react with the polymer under combustion in the gas phase with hydroxyl or oxygen agents at the molecular level and extinguish the combustion. Halogenated and phosphorous FRs are common in this category. Hydrated minerals (halogen free) decompose in an endothermic reaction when exposed to fire, using a cooling mechanism. They release water molecules that cool down the combustion environment of polymers. Char forming polymers (e.g. cellulose or carbon family FRs) react to combustion in a solid phase. these FRs crosslink to the polymer matrix in elevated temperatures and create a barrier layer that hinders the heat transfer and release of additional gasses. They react to form a porous carbonaceous 3D-char layer that insulate the polymer surface and slow down the pyrolysis. Intumescent FRs, such as, melamine compounds and phosphorous compounds are from this category. Novista Group supplies equivalent of FP-2100JC, FP-2200S, FP-2500S, Exolit OP1230, OP930, OP1312, OP1314 to global market.
Flammability characterization methods
2023 / 07 / 22
Flame retardancy process can be characterized either in gas phase, by investigating present pyrolysis species, or in solid phase, by studying the morphology and composition of the char layer. There are numerous macro and micro fire characterization methods. Limiting oxygen index (LOI), UL-94, cone calorimetry, microscale calorimetry, and thermogravimetric analysis (TGA) are of the most common fire characterization methods. LOI is one of the primary methods that has been used for many years to investigate the relative flammability of materials. Material with LOI less than 21% can burn easily whereas materials with LOI greater than 21% exhibit reduced flammability after removal from ignition source. LOI requires a cost-effective setup and small sample size. However, due to the high oxygen index simulation and small scale input heat, it is not very suitable for determining the real extent of fire performance. UL-94 tests have been considered for measuring burning rate and characteristics of plastics. UL94 vertical test is widely used for determination of ignitability and flame spread rate of plastic materials. In this test, the specimen is burnt using specific flame conditions for a certain time period. The time required for the fire to be extinguished (after-flame removal) is an indication of fire retardancy properties of the specimen. As one of the most important fire characterization methods for polymeric materials, cone calorimetry measures the reducing oxygen concentration in the combustion gasses of a
Basics knowledge of PVC foaming regulators
2023 / 06 / 09
A PVC foaming regulator is actually an acrylic resin based processing aid that has all the basic functions of a PVC processing aid, with the difference compared to conventional processing aids. PVC foaming regulator has higher molecular weight and higher viscosity As a common product, PVC foaming regulator, how much do you know about its basic knowledge? Let's take a look at the basic knowledge of PVC foaming regulators. 1. The chemical composition of PVC foaming regulator. A PVC foaming regulator is actually an acrylic resin based processing aid that has all the basic functions of a PVC processing aid, with the difference compared to conventional processing aids. PVC foaming regulators have higher molecular weight and higher viscosity. 2. The main function of foaming regulator in PVC foam products. Promote the plasticization of PVC, and improve the melt strength of PVC foam materials, prevent bubble coalescence, and obtain a uniform foamed product. Preventing insufficient melt strength results in foam sheet foaming, longitudinal pimples and ensuring good melt flow for good product appearance. 3. A simple and effective method for checking melt strength. To determine whether the melt strength is insufficient, the direct method is to wrap the fingers in the middle roll of the sheet and press the three rolls back, the melt strength is good, and the elasticity can be felt when pressing. If the press is hard
2023 / 06 / 09
Choice of PVC impact modifier The selection of impact modifiers should pay attention to the following aspects: 1. The compatibility with PVC resin should be moderate. If the compatibility is too large, the two are completely mixed at the molecular level. The impact modifier may play the role of plasticizer, which is closely attached to the PVC molecules, causing impact The force acts directly on the PVC chain and cannot improve the impact resistance. On the other hand, if the compatibility between the two is too small, the uniform dispersion cannot be achieved, the adhesion to PVC is lost, and the impact force cannot be absorbed. 2. The glass transition temperature should be low, which can improve the impact resistance of PVC at low temperature. 3. The molecular weight should be high, and if necessary, it is best to lightly cross-link to improve the reinforcing effect. 4. It has no obvious influence on the performance and physical properties of PVC. 5. The weather resistance should be good, and the mold release expansion should be small. 6. Good processability for blen
A Brief Introduction of Titanium dioxide (TiO2) -4
2023 / 06 / 02
Chemical properties: Titanium dioxide has extremely stable chemical properties and is a kind of acidic amphoteric oxide. It hardly reacts with other elements and compounds at normal temperature, and has no effect on oxygen, ammonia, nitrogen, hydrogen sulfide, carbon dioxide and sulfur dioxide. It is insoluble in water, fat, dilute acid, inorganic acid and alkali, and only soluble in hydrofluoric acid. However, under the action of light, titanium dioxide can undergo continuous oxidation-reduction reaction and has photochemical activity. This kind of photochemical activity is particularly evident in anatase titanium dioxide under ultraviolet irradiation. This property makes titanium dioxide both a photosensitive oxidation catalyst for some inorganic compounds and a photosensitive reduction catalyst for some organic compounds. Emergency treatment: isolate the leakage contaminated area and restrict access. It is recommended that emergency treatment personnel wear dust masks (full masks) and general work clothes. Avoid raising dust, sweep it carefully, place it in a bag and transfer it to a safe place. If there is a large amount of leakage, cover it with plastic cloth and canvas. Collect and recycle or transport to the waste treatment site for disposal.
What are Optical Brightening Agents?
2023 / 06 / 02
Optical brightening agents (OBAs) / Optical brightener, also known as fluorescent brightening agents (FBAs), are chemical compounds that give whitening effect to fabric. They do this by absorbing light in the ultraviolet and violet regionand re-emit the light in the blue region. This blue light reduces the yellow colour of the substrate and give a brightened look. Unlike bleaching, it doesn`t leave ayellowish tinge and gives a much pleasing whiter-than-white appearance. Such a property sets optical brightening agents apart and makes it a much coveted thing in industries such as Textiles, Plastics, Paper, and Cosmetics. Types of Optical Brightening Agents Based on the number of sulphonic groups, brightening agents can be categorised into three main types.
What Are The Difference Between OB and OB-1?
2023 / 06 / 02
Optical brightener (OB) and Optical Brightener -1(OB-1) are brightening agents often confused with each other. Both are used for brightening but on different types of materials. Therefore, it is essential to understand the details and differences between them before selecting. What is Optical Brightener(OB)? Optical Brighteners have a wide range of applications; fabric whitening is one. Materials such as plastics have a certain level of yellowness that gives them a dull finish. To increase brightness to the products, OB is added to the plastics. A similar application takes place for the fabric. Other colorants are used along with the Optical Brightener to derive the required color and shade in the materials. Optical Brighteners are easily used in plastics as they have a high melting point which helps them easily mix with the molten plastic. What is OB-1? OB-1 has a similar effect but with different chemical formulas and applica
Advantages and disadvantages of commonly used flame retardants
2023 / 05 / 27
In recent years, with the increase in the output of plastic products and the improvement of safety standards, flame retardant materials are more widely used. Generally speaking, flame retardant materials can be divided into organic flame retardant materials and inorganic flame retardant materials. The organic flame retardant has good flame retardant effect and the addition amount is relatively small. However, organic flame retardants have the drawbacks of generating large amounts of smoke and releasing toxic gases during combustion. Inorganic flame retardants have the advantages of non-toxic, smoke-free, non-volatile and cheap, but the amount of addition is relatively large. 1. Halogen flame retardant Halogen flame retardants are not only large in output, but also widely used. The material added with the flame retardant can release hydrogen halide and obtain free radicals during the combustion process, thereby preventing the transfer of the combustion chain, and then generating free radicals with low activity to slow down the combustion. Halogen flame retardants are generally used in thermoplastic materials and thermosetting materials. They not only have good compatibility with polymer materials, but also are easy to use. Therefore, they are welcomed by the market and are widely used in automobile, packaging, textile and other industries. 2. Phosphorus flame retardant Inorganic phosphorus flame retardants mainly include phosphates, red phosphorus, etc. Red phosphorus is widely used. Red phosphorus is a good flame retardant, but in practical applications, red phosphorus flame reta
2023 / 05 / 27
Flame retardants are chemicals added to materials to interfere with combustion. This disturbance is usually to achieve some desired refractory properties - slow ignition, reduce flame spread, etc. Widely used in plastic, wood and textile fire protection. Phosphorus flame retardants (including organic phosphorus and inorganic phosphorus) can carbonize the combustion material to achieve a flame retardant effect. This flame retardant effect mainly plays a role in the solid phase. In order to impart basic flame retardant properties to plastics, inorganic fillers (aluminum hydroxide, magnesium hydroxide) have also been used, which can release water molecules by thermal decomposition. Novista Group supplies equivalent of FP-2100JC, FP-2200S, FP-2500S, Exolit OP1230, OP930, OP1312, OP1314 to global market.
Application and advantages of brominated flame retardants
2023 / 05 / 27
Bromine is used as a flame retardant, in addition to mercury removal, air purification and other fields. With the wide application of polymer materials such as plastics in household environments, public places and vehicles, flame retardants have increasingly become a must-added fire retardant. Currently, flame retardants are mainly used in four fields: transportation, electronic and electrical equipment, furniture, and buildings and construction materials. There are more than 200 kinds of flame retardant family products, which can be divided into bromine-based, phosphorus-based, nitrogen-based, silicon-based and inorganic flame retardants according to different elements. There is also an inevitability to this diversity, as the materials and products that are to be fire resistant vary widely in properties, composition and even application. Some flame retardants may be very suitable for some specific applications, but not in other areas. That is, there is no one flame retardant, and different solutions must be selected according to different applications. Material engineers will select suitable flame retardants according to the structure and properties of materials. For example, 80% to 90% of printed circuit boards use brominated flame retardants. Brominated flame retardants are very efficient and can capture free radicals in the combustion chain reaction, terminating or slowing down the chain reaction, thus playing a role in fl
A Brief Introduction of Titanium dioxide (TiO2) -1
2023 / 05 / 26
Titanium dioxide (TiO2), an important inorganic chemical pigment, is mainly composed of titanium dioxide. The production process of titanium dioxide includes sulfuric acid process and chlorination process. It is widely used in coating, ink, paper making, plastic rubber, chemical fiber, ceramics and other industries. TiO2 physical characteristics: 1) Titanium dioxide relative density Among commonly used white pigments, titanium dioxide has the lowest relative density. Among the white pigments of the same quality, titanium dioxide has the largest surface area and the highest pigment volume. 2) Titanium dioxide melting point and boiling point: Because anatase can change into rutile at high temperature, the melting point and boiling point of anatase titanium dioxide do not actually exist. Only rutile titanium dioxide has melting point and boiling point. The melting point of rutile titanium dioxide is 1850 ℃, the melting point in air is (1830 ± 15) ℃, and the melting point in oxygen enrichment is 1879 ℃. Melting point is related to the purity of titanium dioxide. The boiling point of rutile titanium dioxide is (3200 ± 300) ℃, and titanium dioxide is slightly volatile at this high temperature. 3) Dielectric constant:
A Brief Introduction of Titanium dioxide (TiO2) -2
2023 / 05 / 26
6) Hygroscopicity: Although titanium dioxide has hydrophilicity, but its hygroscopicity not very strong, and rutile type is smaller than anatase type. The hygroscopicity of titanium dioxide is related to its surface area. The large surface area and high hygroscopicity are also related to surface treatment and properties. 7) Thermal stability: Titanium dioxide is a material with good thermal stability. 8) Grain size: The particle size distribution of titanium dioxide is a comprehensive index, which seriously affects the performance of titanium dioxide pigment and product application performance. Therefore, the discussion on hiding power and dispersion can be directly analyzed from the particle size distribution.
A Brief Introduction of Titanium dioxide (TiO2) -3
2023 / 05 / 26
Crystal structure: Titanium dioxide has three crystalline forms in nature: rutile, anatase and plate titanium. Plate titanium type belongs to the orthorhombic system, which is an unstable crystal type. It is transformed into rutile type at above 650 ℃, so it has no practical value in industry. Anatase is stable at room temperature, but it should be transformed into rutile at high temperature. The conversion strength depends on the manufacturing method and whether inhibition or accelerator is added in the calcination process. It is generally believed that there is almost no crystal transformation below 165 ℃, and the transformation is fast when it exceeds 730 ℃. Rutile is the most stable crystalline form of titanium dioxide, with dense structure. Compared with anatase, rutile has higher hardness, density, dielectric constant and refractive index. Rutile and anatase belong to tetragonal system, but have different lattice, so the X-ray images are also different. The diffraction angle of anatase titanium dioxide is 25.5 °, and that of rutile is 27.5 °. Rutile crystal is slender and prismatic, usually twin; However, anatase generally approximates regular octahedron. Compared with anatase, rutile type is composed of two titanium dioxide molecules in its unit lattice, while anatase type is composed of four titanium dioxide molecules, so its unit lattice is small and compact, so it has greater stability and relative density, so it has higher refractive index, dielectric constant and lower thermal conductivity.
2023 / 05 / 20
Flame retardant is a kind of additive which can prevent the ignition of polymer materials or inhibit the flame propagation. Common and important flame retardants are compounds of phosphorus, bromine, chlorine, antimony and aluminum. Flame retardants can be divided into additive type and reactive type. The additive flame retardants mainly include phosphate ester, halogenated hydrocarbon and antimony oxide. They are mixed into the composite during the processing of composite materials. They are easy to use and have a wide range of applications, but they have an impact on the properties of the composite materials. Reactive flame retardant is a kind of monomer material added into the polymerization system in the process of polymer preparation, which is compounded to the polymer molecular chain through chemical reaction. Therefore, it has little effect on the properties of the composite and has a long flame retardancy. Reactive flame retardants mainly include phosphorus containing polyols and halogenated anhydrides. The flame retardants used in composite materials should have the following properties: 1) high flame retardant efficiency, which can give the composite good self extinguishing or flame retardant properties; 2) it has good compatibility with the composite materials and is easy to disperse; 3) it has a suitable decomposition temperature, that is, it does not decompose at the processing temperature of the composite, but can decompose rapidly when the composite is decomposed by heating The results show that the flame retardant effect is not toxic or low toxic, odorless and pollution-free, and no toxic gas is produced in the process of flame retardant; 4) when used with composite materials, the mechanical properties, electrical properties, weather resistance and thermal defor
Flameout method of flame retardants
2023 / 05 / 20
1. It produces a gas that smothers the flame. For example, antimony trioxide reacts with HCl from combustion in PVC to form a smoldering gas, namely antimony nitrogen oxide. 2. It can absorb the heat produced during combustion and cool down the combustion rate. For example, aluminum hydroxide contains up to 34% of chemically associating water in its molecules, which remains stable at the processing temperature of most plastics, but begins to decompose when it exceeds 200 ℃ and releases water vapor. And every gram of aluminum hydroxide decomposition, to absorb 36 kcal heat. 3. It provides a coating insulated from oxygen. For example, the phosphide produced by the combustion of phosphate flame retardant is an oxygen barrier coating. 4. It can form free radicals which can react with plastics and act as flame retardant. The combustion properties of the products from their reaction with plastics are very poor. Novista Group supplies equivalent of FP-2100JC, FP-2200S, FP-2500S, Exolit OP1230, OP930, OP1312, OP1314 to global market
2023 / 05 / 20
As the name suggests, flame retardants are additives used to prevent materials from being ignited and inhibit the spread of fire. They are mainly designed for the flame retardant of polymer materials. Generally speaking, flame retardants mainly play the role of endothermic, covering, chain inhibition and non-combustible gas suffocation to achieve the flame retardant effect. Materials processed with flame retardants can effectively prevent and delay the spread of flames when attacked by external fire sources. Flame retardants are divided into two categories: organic flame retardants and inorganic flame retardants. Among them, organic flame retardants include organic phosphorus flame retardants and organic halogen flame retardants. The representative products of organic halogen flame retardants It is an organic brominated flame retardant; inorganic flame retardants are mainly various metal oxides, There are big differences in performance, flame retardant efficiency and environmental protection among the three major types of flame retardants: organic halogen, organic phosphorus and inorganic, and their application fields are also different. Various flame retardant properties Compared with organic halogen flame retardants, organophosphorus flame retardants are characterized by low toxicity, less smoke, low corrosion, good compatibility with materials, and du
Introduction of NOVISA's PVC Heat Stabilizers-4
2023 / 05 / 19
FAQS WHAT ARE THE BENEFITS OF USING ONE PACK PVC HEAT STABILIZERS? There are several benefits of using our one pack PVC Heat Stabilizers that include: reduced labour cost, reduced handling losses, reduced inventory, a better homogenous mixture from processing. We provide PVC Heat Stabilizers (one pack- lead-based) in powder and flakes form, that can be modified as per the needs and requirements of the customers. WHAT IS THE PREFERRED DOSAGE OF PVC HEAT STABILIZERS? The dosage of stabilizers per hundred parts of resin ( PVC ) is 2.5-3.5 phr in pipes and 3.0 to 12.0 phr in different types of cables, but it depends on lead content in stabilizer and the filler used by PVC product manufacturer. If the filler is more, the dosage required is more. Detailed application knowledge and formula/recipe for any customer can be provided by our technical services managers.
What are the standards for the selection of flame retardants for nylon?
2023 / 04 / 08
Nylon has excellent properties and is widely used. Unmodified nylon has low flame retardancy, vertical combustion can only reach UL94V-2 level, oxygen index is about 24%, it will drip during combustion, it is a flammable material, and it is very easy to use in the process. Yes. catch fire. Therefore, reformed nylon flame retardants have become a common concern and research topic in today's academic and industrial circles. Next, Silver Plastic introduces the knowledge about nylon flame retardants. At present, the flame retardant modification of nylon materials is usually divided into halogen-containing flame retardant modification and halogen-free flame retardant modification. One. Halogen-containing flame retardant systems The most widely used abroad is brominated styrene polymer, which has excellent thermal stability and is being processed because it can be melt-mixed with nylon. The fluidity of the medium is good. In addition, the flame-retardant nylon prepared by using it also has excellent electrical, physical and mechanical properties. The limitations of this flame retardant are its low light stability and incompatibility with nylon. It is also more expensive than decabromodiphenyl ether, which is widely used in China. Another flame retardant that has been used in nylon for many years is flammable. It is a chlorine-containing flame retardant with high efficiency and electrical properties, but thermal stability. Due to this limitation, it is only suitable for nylon flame retardant systems with low processing temperatures.
Effects of Flame Retardant and Glass Fiber on the Properties of PA66
2023 / 04 / 08
Due to the needs of electronic product applications, PA66 must have certain flame retardancy and relative tracking index (CTI) properties. Also, depending on product strength requirements, it may be necessary to add glass fibers to the PA66 material. Commonly used flame retardants are nitrogen flame retardants, bromine flame retardants and red phosphorus. (1) Under normal circumstances, the flame retardant grade of pure nylon PA66 is UL94V-2, and the CTI value can reach CTI600. (2) When glass fiber is added to pure PA66 to increase the strength, the glass fiber is used as the core, which reduces the flame retardant grade of the material and becomes UL94-HB grade. (3) Using nitrogen-based flame retardant for PA66 and no glass fiber, it can reach UL94V-0, and the CTI value can reach 600V. (4) When glass fiber is used in PA66 and nitrogen-based flame retardant is added, the flame retardant performance of the material will also deteriorate and reach HB level. (5) PA66 also becomes UL94V-0 flame retardant grade when brominated flame retardant is added, and in the case of glass fiber reinforced material, it becomes UL94V-0 grade. However, the addition of bromide greatly reduces the CTI index of the material. Basically CTI175 or CTI250 grade. Low CTI limits the application of PA66. All Glow Wire 750 PA66 materials required by the industry are brominated flame retardants. Of course, the CTI value is not high. (6)
Flame retardant: an essential patron saint of safety
2023 / 04 / 08
On July 6, 2013, Asiana flight 214 crashed when it landed in San Francisco, its fuselage caught fire and emitted thick smoke. In this accident, although the plane caught fire, the vast majority of passengers survived smoothly. It is a kind of chemical product widely existing in our life, but often ignored, that is flame retardant. As a conventional means of fire prevention, flame retardants are widely added to a variety of materials. Flame retardant is indeed the invisible patron saint of life. Flame retardant is a kind of additives which can delay the ignition time and inhibit the spread of fire. They inhibit the occurrence of combustion reaction through a variety of action principles. Inorganic flame retardants such as aluminum hydroxide and magnesium hydroxide generate water when heated, which absorbs a large amount of heat in the process, and also plays the role of isolating oxygen; brominated flame retardants can capture the free radicals in the combustion reaction and terminate the occurrence of chain reaction; in addition, some flame retardants can make the surface of materials rapidly expand and carbonize to form a protective layer. From plastic products, synthetic leather, chemical fiber fabrics to foam insulation materials in buildings, there are polymer materials everywhere in our lives. These materials have many advantages in performance, but there is an obvious defect: they are easy to burn, thus burying a fire hazard. In order to eliminate the hidden danger, it is necessary to use flame retard
Send Inquiry
Mr. Ron Han
Tel:86-536-8206760
Fax:86-536-8206750
Mobile Phone:+8615336365800
Email:manager.han@novistagroup.com
Address:RM1232-1233,#4 Building No.4778 Shengli East Street, Weifang, Shandong
Related Products List
Mobile Site
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.