POLIMER MV is methylvinylsilicone gum for manufactu- ring HTV silicone and is the main starting material for pro- duction of POLSIL® GUM silicone rubber. This polymer is manufactured in two basic grades containing different quantity of vinyl groups:
POLIMER MV 0,07 – 0,07 % (mol/mol)
POLIMER MV 1,0 – 1,0 % (mol/mol)
By mixing both types of the polymers in the proper ratio it is possible to adjust parameters of the rubber (hardness, durability, elasticity, etc.).
Due to the presence of double bonds, this type of rubbers are more susceptible to crosslinking (vulcanization) giving silicone gum very good compression resistance and ela- sticity.