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May 22,2024
Do you know the types and characteristics of silica?
The reinforcing filler used in silicone rubber mainly refers to synthetic silica, also known as white carbon black. White carbon black is divided into gas-phase white carbon black and precipitated white carbon black.
May 22,2024
White carbon black is a high-tech inorganic fine chemical product
White carbon black, also known as silica, scientific name precipitated hydrated silica. It is a high-tech inorganic fine chemical product, mainly composed of SiO2. The performance and appearance of carbon black are similar to that of white highly dispersed amorphous or flocculent powders, and they are also processed into particles as commodities. Lightweight, original particle size 0.3 μ The relative density below m is 2.319-2.653, with a melting point of 1750 ℃.
May 22,2024
What is the function of rubber accelerator? Introduction to Classification of Rubber Promoters
Rubber accelerator refers to rubber vulcanization accelerator, which mainly uses sulfur. However, the reaction between sulfur and rubber is very slow, so rubber accelerator has emerged. Adding a promoter to the rubber material can activate the vulcanizing agent, thereby accelerating the crosslinking reaction between the vulcanizing agent and rubber molecules, achieving the effect of shortening the vulcanization time and reducing the vulcanization temperature.
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