Product name: Silicone oil / polydimethylsiloxane (pdms)
Other names: Dimethyl silicone oil, 201 methyl silicone oil
Cas no.: 63148-62-9
mf: C6h18osi2
einecs no.: 203-492-7
Chemical properties:
1).heat and cold resistant, can work between -50°c~+200°c in the long run.
2).viscosity ranging from 5-5 million cs, also insignificant temperature dependence of viscosity.
3).excellent insulation performance, good water repellent and moisture resistant.
4).good chemical stability,high resistance to weathering and oxidation conditions.
5).inert, odorless, tasteless, stainless, and therefore ideal for medical and food applications.
6).low surface tension, high flash point, low freezing point.
1).lubricant for rubber, plastic bearing, gear, also for reducing the friction
2).release agent for plastic forming process, rubber process, metal cast, making paper, etc.
3).material for making defoamer
4). Surface treating agent for glasses, ceramics, metals
5).additive agent for paint, rubber, paraffin, resin, etc.
6).medical defoamer for artificial heart-lung machine and basic pharmaceutics to treating pulmonary edema.
7).insulating, dustproof and mildewproof coating on glassed, ceramics
8).finishing agent for textile
9).basic material of cosmetics, skin care products, hairdressing products
10).softening agent, water repellent, hand modifier for textile and leather
11).hydraulic oil, especially in aircraft
12).material of shaving cream, toothpaste, soap powder, washing powder
13).heat transfer fluid
Property | Unit | Index | Index | Index | Index |
Viscosity (25°C) | mPa.s | 5~10 | 50~1000 | 5000~60000 | 100000~5000000 |
Appearance | - | Colorless | Colorless | Colorless | Colorless |
Refractive index | 25°C | 1.350-1.450 | 1.350-1.450 | 1.350-1.450 | 1.350-1.450 |
Volatile matte | (150°C,3h)% | - | ≤ 1 | ≤ 1 | ≤ 1 |
Specific gravity | 25°C | ≤ 0.955 | ≤ 0.975 | ≤ 0.986 | ≤ 0.996 |
Flash point | open cup,°C | ≥120 | ≥270 | ≥300 | ≥300 |
Cyclopentasiloxane | % | <0.1 | - | - | - |
Cyclotetrasiloxane | % | <0.1 | - | - | - |
Index Item | Viscosity (25°c) Mpa.s | Flash point (°c,≥) | Density (25°c) G/cm3 | Volatile matter ≤ (150ºC, 3h)% |
201-10 | 10 | 150 | 0.945-0.955 | -- |
201-50 | 50 | 200 | 0.950-0.960 | -- |
201-100 | 100 | 260 | 0.960-0.970 | 1.5 |
201-200 | 200 | 280 | 0.962-0.972 | 1 |
201-350 | 350 | 290 | 0.965-0.975 | 1 |
201-500 | 500 | 300 | 0.965-0.975 | 1 |
201-1000 | 1000 | 300 | 0.965-0.975 | 1 |
201-12500 | 12500 | 300 | 0.965-0.975 | 1 |
201-60000 | 60000 | 300 | 0.965-0.975 | 1 |
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