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What are the physical and chemical properties of silicone products?

Source:Author:admin Addtime:2024-12-16 22:34:50

The physical and chemical properties of silicone accessories produced by Guangdong Yingtai High Precision Technology Co., Ltd. are as follows:

Silicone products are saturated rubbers formed by the adhesion of silicon atoms to side chains such as vinyl groups, based on silicon elements obtained from quartz.

Different side chains can cause silicone rubber to have different characteristics.

Silicone products have excellent heat resistance, low-temperature elasticity, and particularly outstanding resistance to oxidation and ozone, as well as high breathability and selectivity for gas permeation.

Good electrical insulation performance (volume resistance greater than 10 ohms/cm, breakdown voltage above 30kv), corona resistance and arc resistance. But adding conductive carbon black, nickel powder, silver powder,

It can also achieve appropriate conductivity (volume resistance can reach 5-0.02 ohms. cm). The surface energy of silicone rings is relatively low, and they have hygroscopicity, which can serve as a barrier. Water resistance, but poor resistance to water vapor,

It is not recommended to use when the pressure exceeds 50psi. Compatible with most oils, chemicals, and solvents. Generally, silicone rubber has good acid and alkali resistance, with acceptable solvents, but is not resistant to hydrocarbons and aromatic oils.

Not recommended for use in most concentrated solvents, oils, concentrated acids, and diluted caustic soda solutions. Silicone rubber also has properties such as radiation resistance, flame resistance, and oil resistance. It has low tensile strength and weak wear resistance, and is generally not used for dynamic sealing.

Temperature range: -60 ℃~225 ℃, special silicone rubber can reach high temperatures up to 300 ℃, and low temperatures up to -100 ℃. (TR10 can operate at -100 ℃)

Hardness range: Shore A25 to 90 degrees.

Colors: black, brown, green, white, reddish brown, red, orange, transparent, gray, blue, colors can be specified by the customer.

Guangdong Yingtai High Precision Technology Co., Ltd. will provide you with ordering services for any special specifications.



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