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Shandong Novista Chemicals Co.,Ltd (Novista Group) [Shandong,China] Business Type:Manufacturer , Service , Distributor/Wholesaler Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide Exporter:71% - 80% Certs:GB, OHSMS, FDA

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PVC lubricant product categories

2022-05-07

The lubricant is to neutralize the mold release of the product during plastic processing, and prevent defects caused by adhesion in the machine or mold. Generally added to the molding compound or coated on the surface of the mold cavity. Commonly used lubricants include fatty acids and their salts, and long-chain aliphatic hydrocarbons. According to the different mechanism of lubricant action, it can be divided into External Lubricant and Internal Lubricant.

(1) External lubricant: This lubricant has poor compatibility with the resin used for molding, so it is commonly used in molding processing machinery or molds. A lubricating layer is formed between it and the resin to facilitate resin flow and product release. , Such as paraffin.

(2) Internal lubricant: This type of lubricant has good compatibility with resin, and is often mixed into resin to reduce the melt viscosity of the resin and improve its fluidity. Such as butyl stearate, lead stearate and so on. Stearates are both good lubricants and effective stabilizers.

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Mr. Ron Han

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manager.han@novistagroup.com

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