The structure is as follows: CH3 [(CH3)SiO]nCH3 This product is a high purity polydimethylsiloxane, soluble in organic solvents and mineral oil, silicone oil,silica  gel, with weather resistance, light transmission, can be used in 300℃ for a long time, compared with ordinary methyl silicone oil has outstanding advantages, no group release, high stability, no activity. It can be stored for 24 months in a cool, ventilated and dry environment. 

Viscosity(25℃): 400cs-10:million cs(±5%)

Volatile content(150℃,3h):  ≤0.2% 

D3-D10 content:  ≤100PPM

Metallon content:  ≤20PPM

Widely used as insulation, lubrication, shock-proof, dust-proof oil, dielectric liquid and heat carrier, as well as used as defoaming, film removal, paint and additives for daily cosmetics, 201 methyl silicone oil has a variety of excellent properties, so in the industrial  and agricultural production departments, national defense industry, scientific research and pharmaceutical departments, have been extremely widely used. It is widely used in electrical insulation, film removal, defoaming, damping, shock-proof rolling, dust-proof, waterproof, high and low humidity and so on.