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Characteristics of liquid silicone rubber

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Liquid silicone rubber (LSR) is widely used in medical, electronic and electrical, food, maternal and infant industries due to its heat resistance, non toxicity, electrical insulation, biocompatibility, colorless and transparent, tear resistance and many other advantages. Liquid silicone rubber is an ideal material for very demanding applications due to its unique properties

1. Biocompatibility
After extensive testing, liquid silicone rubber has been proved to have excellent compatibility with human tissues and body fluids. Compared with other elastomers, liquid silicone rubber can resist bacterial growth and will not contaminate or corrode other materials. LSR is odorless and can be sterilized by many methods, including steam autoclaving, ethylene oxide (ETO), γ, Electron beams and many other technologies.

2. Durability
Liquid silicone rubber parts can withstand extreme temperatures, making them ideal for components under the hood and near the engine. Parts made by liquid silicone rubber injection molding are flame retardant and will not melt, which is a serious problem for parts made by plastic injection molding.

3. Chemical resistance
Liquid silicone rubber is resistant to water, oxidation and certain chemical solutions, such as acids and bases.

4. High temperature resistance
Compared with other elastomers, molded silicone can withstand various high / low temperature limits. For example, Dow Corning's silastic LSR can be used continuously at – 60 ° C to + 180 ° It is stable in the temperature range of C.

5. Mechanical properties
Liquid silicone rubber has good elongation, high tear strength and tensile strength, excellent flexibility and a hardness range of 5 to 80 shore a.

6. Electrical performance
Liquid silicone rubber has excellent insulating properties. Compared with conventional insulating materials, silicone rubber can work at higher and lower temperatures.

7. Transparency and pigmentation
Liquid silicone rubber has natural transparency, which is conducive to making colorful products.

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