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Two methyl silicone
- Name: silicone
- 熔点： -35℃
- Color: semi transparent
- Viscosity: 25 Ccp
- Product description: Also known as dimethyl silicone(simethicone) , is a kind of hydrophobic of organic silicon material. In medicine, daily chemical products, food, buildings are applied in various....
Product introduction
Also known as dimethyl silicone(simethicone) , is a kind of hydrophobic of organic silicon material. In medicine, daily chemical products, food, buildings are applied in various fields, such as its derivatives has amounted to hundreds of species, the commonly used polysiloxane mainly include: poly dimethyl siloxane, ring methyl siloxane, amino siloxane, poly (methyl phenyl siloxane, polyether polysiloxane copolymer. The ring for common polysiloxane polydimethylsiloxane. This product is non-toxic, but cause vascular embolization in clinical and brain damage.Physicochemical property
Polydimethylsiloxane chemical state of dimethyl silicone oil, colorless or light yellow liquid, odorless, high transparency, heat resistance, cold resistance, viscosity with temperature changes little, water proofing property, surface tension, thermal conductivity, thermal conductivity coefficient of 0.134-0.134 W/M * K, pervious to light transmittance 100%, dimethyl silicone oil non-toxic tasteless, has physiological inertia, good chemical stability. Electrical insulation and weatherability, hydrophobic good, and have high shear resistance, can be in - 50 ℃ ~ 200 ℃ under long time use. With excellent physical properties, can be directly used in moisture-proof insulation, damping, shock absorption, defoaming, lubrication, polishing, etc., are widely used as insulation, shockproof, prevent oil lubrication, dielectric fluid and heat transfer fluid. And used for foam, release agent, paint and chemical additives.
Polydimethylsiloxane with lanolin, stearyl alcohol, cetyl alcohol, glycerol monostearate, twain, span type mixed surfactant used for emulsion matrix. Add film forming agent in this product such as PVP, PVA and cellulose derivatives, can strengthen its protection. Performance of drug release and penetrate the skin a dolphin fat, lanolin and vaseline as fast.
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Polydimethylsiloxane physical performance parameters |
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|
Sticky degree（25°Ccp） |
Dielectric constant |
Flash point（°C） |
Relative density |
Refractive index |
Refractive index |
|
500 |
2.75 |
300 |
0.965-0.975 |
1.403 |
21.1 |
|
1000 |
2.76 |
300 |
0.965-0.975 |
1.404 |
21.2 |
|
5000 |
2.78 |
300 |
0.967-0.975 |
1.404 |
21.2 |
|
10000 |
2.80 |
300 |
0.971-0.976 |
1.4042 |
21.2 |
|
20000 |
2.82 |
300 |
0.973-0.977 |
1.4045 |
21.2 |
|
50000 |
2.85 |
300 |
0.975-0.978 |
1.405 |
21.3 |
|
100000 |
2.85 |
300 |
0.978-0.980 |
1.405 |
21.4 |