Silicone, also known as vinyl methyl rubber (VMQ) is composed of elements that are derived from quartz. This synthetic elastomer is created by attaching pendant organic groups like vinyl, methyl, and phenyl to silicon atoms.
Salient Features:
Cold flexibility
Heat and Hot air resistant
Ozone and weather resistant
Excellent elasticity
Great gas permeability
Oil and solvent resistant
Chemical resistant
Common Applications:
Medical systems that require compliance to USP CLASS VI
Automotive systems like oil filter valves and boots
Food and beverage industry
Properties:
Hardness: 30-80 Shore A
Temperature resistance: -60° C to + 200° C
Standard colors: Rust
Advantages:
Performs remarkably well in dry heat, dilute salt solutions, ozone environments, transmission oil (mineral oil) and engine, and moderate temperature water.
Anti-adhesive surface features.
Exhibits good dielectric and physiological properties.
Possesses high thermal resistance.
Limitations:
Does not perform well in ketones, steam environments (over 120° C ), concentrated alkalis, petroleum oil, and concentrated acids.
