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Inorganic Flame Retardant

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    • APP ammonium polyphosphate Cros484 AP422

    APP ammonium polyphosphate Cros484 AP422

    • Brand: Novista

    • Packaging: 25KG/BAG, 20MT/20FCL.

    • Supply Ability: 5000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: ISO,REACH

    APP801 is ammonium polyphosphate produced by a special method The product is largely insoluble in water and completely insoluble in organic solvent Product Name Ammonium polyphosphate II APP Our Brand ProFlame APP801 Molecular Formula NH4PO3 n Chemical

    • APP Ammonium Polyphosphate 68333-79-9 AP422 Cros484

    APP Ammonium Polyphosphate 68333-79-9 AP422 Cros484

    • Brand: Novista

    • Packaging: 25KG/BAG, 20MT/20FCL.

    • Supply Ability: 5000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: ISO,SGS,REACH

    APP801 is ammonium polyphosphate produced by a special method The product is largely insoluble in water and completely insoluble in organic solvent Product Name Ammonium polyphosphate II APP Our Brand ProFlame APP801 Molecular Formula NH4PO3 n Chemical

    • APP ammonium polyphosphate water-soluble 68333-79-9

    APP ammonium polyphosphate water-soluble 68333-79-9

    • Brand: NOVISTA

    • Packaging: 25kg paper bag with PE liner, 20MT/20

    • Supply Ability: 3,000 MT

    • Min. Order: 25 Bag/Bags

    • Certificate: SGS/ROHS/REACH

    Applications 1 Widely used in water soluble fire retardant coating 2 Can be applied by spray dip or pressure treatment 3 Aqueous solution used in the fire retardant treatment for wood i e corrugated board kraft paper paper textile and fibers 4 Used as N P compound fertilizer 5 To prepare 20 P N flame retardant use...

    • completely replace Sb2O3 / antimony troxide

    completely replace Sb2O3 / antimony troxide

    • Brand: NOVISTA

    • Packaging: 25kg/bag 20MT/20

    • Supply Ability: 3,000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: REACH/ROHS/SGS

    Product Description ProFlame RTF 100 is an antimony based FR synergist for the replacement of Sb2O3 It can replace Sb2O3 in halogen antimony FR systems in an effective way while at the same

    • Melamine Cyanurate MCA flame retardant FR-6120 37640-57-6

    Melamine Cyanurate MCA flame retardant FR-6120 37640-57-6

    • Brand: Novista

    • Packaging: 20KG/bag, 11T/20fcl

    • Supply Ability: 5000MT

    • Min. Order: 50 Bag/Bags

    • Certificate: ISO,REACH

    Melamine Cyanurate is a halogen free flame retardant for polyamide Melamine Cyanurate has established itself as the flame retardant to achieve UL 94 V 0 especially for polyamide 6 and 66 Addition of MCA gives PA6 66 good mechanical and electrical properties Being halogen free also results insignificant advantages in...

    • Replacement of DBDPE / Decabromodiphenyl Ethane

    Replacement of DBDPE / Decabromodiphenyl Ethane

    • Brand: NOVISTA

    • Packaging: 20kg/bag, 16MT/20"FCL

    • Supply Ability: 3,000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: REACH/ROHS/SGS

    Product Description RBP 20 is a new type high performance inorganic eco friendly compound FR additive It is produced through unique techniques surface activation treatment is applied RBP 20 can work with chlorine or bromine FRs

    • Zinc Borate 2335 flame retardant 1332-07-6

    Zinc Borate 2335 flame retardant 1332-07-6

    • Brand: NOVISTA

    • Packaging: 25kg/bag,18MT/20''container

    • Supply Ability: 5,000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: ISO ,REACH

    Zinc Borate is one multi functional synergistic flame retardant with Antimony Oxide etc additives in polymers to improve Flame Retardant performance it can reduce smoke evolution and adjust the balance of flame retardant properties versus mechanical electrical and other properties Product Name Zinc

    • MPP Melamine polyphosphate Melapur 200 218768-84-4

    MPP Melamine polyphosphate Melapur 200 218768-84-4

    • Brand: NOVISTA

    • Packaging: 25KG/bag,12T/20fcl

    • Supply Ability: 3000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: REACH,ISO,SGS

    Melamine polyphosphate is a halogen free flame retardant and have very high thermal stability The decomposition temperature 360 It can be widely applied in thermoplastic and thermosetting plastics and rubber fiber and so on Product Name Melamine polyphosphate MPP Our Brand ProFlame PN1683 Molecular Formula C3H6N6...

    • replace half dosage of Sb2O3 / antimony troxide

    replace half dosage of Sb2O3 / antimony troxide

    • Brand: NOVISTA

    • Packaging: 25kg/bag 20MT/20

    • Supply Ability: 3,000MT

    • Min. Order: 40 Bag/Bags

    • Certificate: REACH/ROHS/SGS

    Product Description ProFlame RTP 50 is a new type high performance inorganic additive FR synergist Advantages low dosage easy to use little influence to products mechanical properties wide application range cost effective Main ingredients stannate silicon etc No bromine or antimony contents are included

    • zinc borate fire retardant

    zinc borate fire retardant

    • Unit Price: USD 1000 - 2000 / Metric Ton

    • Brand: NOVISTA

    • Packaging: 25kg/bag,18MT/20''container

    • Supply Ability: 5000mt

    • Min. Order: 1 Metric Ton

    • Certificate: ISO ,REACH

    Novista is one of main suppler of flame retardant from China Zinc Borate flame retardant is one multi functional synergistic flame retardant with Antimony Oxide etc additives in polymers to improve flame retardant performance it can reduce smoke evolution and adjust the balance of flame retardant properties versus...

    • Melamine Cyanurate MCA

    Melamine Cyanurate MCA

    • Unit Price: USD 1400 - 1800 / Metric Ton

    • Brand: NOVISTA

    • Packaging: 20KG/bag, 11T/20fcl

    • Supply Ability: 5000MT

    • Min. Order: 1 Metric Ton

    • Certificate: ISO,REACH

    Product Name Melamine cyanurate MCA Our Brand ProFlame MC15 MC25 Molecular Formula C6H9N9O3 Molecular

    • Inorganic Flame Retardant Zinc Borate

    Inorganic Flame Retardant Zinc Borate

    • Unit Price: USD 1000 - 2000 / Metric Ton

    • Brand: NOVISTA

    • Packaging: 25kg/bag,18MT/20''container

    • Supply Ability: 5000mt

    • Min. Order: 1 Metric Ton

    • Certificate: ISO ,REACH

    Product Name Zinc borate Molecular Formula 2ZnO 3B2O3 3 5H2O CAS No 1332 07 6 Chemical Formula

    • Ammonium Polyphosphate APPII

    Ammonium Polyphosphate APPII

    • Unit Price: USD 1000 - 2500 / Metric Ton

    • Brand: NOVISTA

    • Packaging: in 25KG/bag, 18T/20fcl.

    • Supply Ability: 5000mt

    • Min. Order: 1 Metric Ton

    • Certificate: ISO,SGS

    Product Name Ammonium polyphosphate II Intumescent Flame Retardant Coating Paint Our Brand ProFlame APP801 Molecular Formula NH4PO3 n EINECS No 269 789 9 CAS No 68333 79 9 Chemical Formula

China Inorganic Flame Retardant Suppliers

Product List

aluminium trihydrate (ATH)

21645-51-2

magnesium hydroxide (MDH)

1309-42-8

antimony trioxide (ATO)

1309-64-4

Zinc borate

1332-07-6

Melamine polyphosphate (MPP)

218768-84-4

Melamine phosphate (MP)

20208-95-1

Melamine Cyanurate(MCA)

37640-57-6

Ammonium Polyphosphate(APP)

68333-79-9

Introduction



The most common inorganic flame retardants are the hydroxides or aluminium and magnesium. Aluminium trihydroxide (ATH) is by far the most widely used Flame Retardant on a tonnage basis. It is inexpensive, but usually requires higher loadings in polymers of up to more than 60%, because the flame retardant mechanism is based on the release of water which cools and dilutes the flame zone. Magnesium hydroxide (MDH) is used in polymers which have higher processing temperatures, because it is stable up to temperatures of around 300 C versus ATH which decomposes around 200 C.


magnesium hydroxide aluminium trihydrate


Fine precipitated ATH and MDH (grain size < 2um) are used in melt compounding and extrusion of thermoplastics like cable PVC or polyolefins for cables. For use in cable, ATH and more often MDH are coated with organic materials to improve their compatibility with the polymer. Coarser ground and air separated grades can be used in liquid resin compounding of thermosets for electrical applications, seats, panels and vehicle parts.

A number of other inorganic substances show flame retarding effects and are used in commercial applications. Most of them are used as synergists i.e. they enhance the performance of other flame retardants or they are used for specific effects like the suppression of smoke formation. For example, borates are used as mixtures of boric acids and borax as flame retardants for cellulose (cotton) and of zinc borate for PVC and other plastics like polyolefins, elastomers, polyamides, or epoxy resins. In halogen-containing systems, zinc borate is used in conjunction with antimony oxide, while in halogen-free systems it is normally used in conjunction with aluminium trihydroxide, magnesium hydroxide, or red phosphorus. In some particular applications zinc borate can be used alone. Boron containing compounds act by stepwise release of water and formation of a glassy coating which protects the surface.

Zinc compounds were initially developed as smoke suppressants for PVC (Zinc hydroxystannate). Later it was found that they also act as flame retardants in certain plastics mainly by promoting char formation.

Intumescent Flame Retardant systems expand to produce foams. They are used as coatings not only to protect combustible materials such as wood and plastics, but also steel structures in buildings, because steel loses its strength when exposed to high temperatures in a fire. The intumescent effect is achieved by combining an acid source like ammonium polyphosphate, a source of carbon, compounds which release noncombustible gases for blowing the foam on thermal decomposition and resin binders to stabilise the foam.


Intumescent flame retardant


Expandable graphite is manufactured from flake graphite by treatment with strong acids like sulphuric or nitric acid. The acid is trapped in the crystal layers of the graphite ("intercalated"). When it is heated, the graphite starts to expand up to several hundred cm3 per gram, forming a protective layer for the polymer. Expandable graphite is used in plastics, rubbers (elastomers), coatings, textiles and especially in polymeric foams. To achieve an optimum flame retarding effect, the use of synergists like ammonium polyphosphate or zinc borate is often necessary. The black colour of graphite limits its applicability in some cases.

Nanocomposites have been gaining increasing attention since the late 1990s as potential new flame retardants. Nanocomposites

are polymer layered silicates based on aluminosilicate clay minerals like montmorillonite, composed of layers with gaps (gallery spaces) in between. These silicates have the ability to incorporate polymers. Research with nanocomposites has focused on plastics like polymethylmethacrylate (PMMA), polypropylene, polystyrene, and polyamides. Nanocomposites particularly prevent dripping and promote char formation. Therefore, they have been used as synergists in some polymer / flame retardant combinations. However, they require special processing and for the time being are not considered to become viable stand-alone flame retardants.

Other inorganic fillers like talcum or chalk (calcium carbonate) are sometimes denoted as flame retardants, but they do not specifically interact with the ignition process. On the contrary, simply by diluting the combustible polymer they reduce its flammability and fire load.




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