Descriptions
Chemical Name: Polydimethylsiloxane
Structural Formula:
Specifications:
| Item | Unit | Specifications | ||
| Code name | DM5 | DM 10 | DM 20 | |
| Viscosity
(25℃) |
mPa*s | 5.0 mm²/s | 10.0mm²/s | 20.0mm²/s |
| Appearance | Clear transparent | |||
| INCI | Dimethicone | |||
| Relative gravity 25℃（77℉ ) | 0.913 | 0.935 | 0.949 | |
| Refractive index 25 ℃ （ 77 ℉ ) | 1.3960 | 1.3989 | 1.4009 | |
| APHA color | 5 | 5 | 5 | |
| Flash point
(close cup) |
℃ | 134(272) | 211(411) | 246(474) |
| Melt point | ℃ | <-70 | <-60 | <-52 |
| Pour point | ℃ | -100(-148) | -100(-148) | -84(-119) |
| Surface
tension 25℃（77℉ ) |
dynes/c
m |
19.7 | 20.1 | 20.6 |
| Viscosity-temperature coefficient | 0.55 | 0.56 | 0.59 | |
| Solubility in typical solvents | ||||
| Chlorinated solvents | high | |||
| Item | Unit | Specifications | |||||
| Code name | DM 350 | DM 1000 | DM 10,000 | DM 12,500 | DM 30,000 | ||
| Viscosity (25℃) | cst | 350 | 1000 | 10,000 | 12,500 | 30,000 | |
| Appearance | Crystal clear | ||||||
| INCI | Dimethicone | ||||||
| Relative gravity 25℃（77℉ ) | 0.969 | 0.970 | 0.975 | 0.974 | 0.971 | ||
| Refractive index 25℃（77℉ ) | 1.4034 | 1.4035 | 1.4036 | 1.4036 | 1.4036 | ||
| APHA color | 5 | 5 | 5 | 5 | 5 | ||
| Flash point
(close cup) |
℃ | >326 | >326 | >326 | >326 | >326 | |
| Melt point | ℃ | <-26 | <-25 | <-24 | <-24 | <-23 | |
| Pour point | ℃ | -50 | -50 | -50 | -46 | -43 | |
| Surface tension 25℃（77℉ ) | dynes/c m | 21.1 | 21.2 | 21.5 | 21.5 | 21.5 | |
| Viscosity-temperature coefficient | 0.60 | 0.61 | 0.61 | 0.61 | 0.61 | ||
| Solubility in typical solvents | |||||||
| Chlorinated solvents | high | ||||||
| Aromatic solvents | high | ||||||
| Aliphatic solvents | high | ||||||
| Anhydrous alcohol | good | ||||||
| Water | poor | ||||||
| Item | Unit | Result | ||
| Code name | DM 60,000 | DM 500,000 | DM 1,000,000 | |
| Viscosity (25℃) | cst | 60,000 | 500,000 | 1,000,000 |
| Appearance | Crystal clear | |||
| INCI | Dimethicone | |||
| Relative gravity 25℃（77℉ ) | 0.969 | 0.970 | 0.970 | |
| Refractive index 25℃（77℉ ) | 1.4036 | 1.4036 | 1.4036 | |
| APHA color | 5 | 5 | 5 | |
| Flash point
(close cup) |
℃ | >326 | >326 | >326 |
| Melt point | ℃ | <-23 | <-22 | <-21 |
| Pour point | ℃ | -41 | -39 | -36 |
| Surface tension 25℃（77℉ ) | dynes/c m | 21.5 | 21.5 | 21.5 |
| Viscosity-temperature coefficient | 0.61 | 0.61 | 0.61 | |
| Solubility in typical solvents | ||||
| Chlorinated solvents | high | |||
| Aromatic solvents | high | |||
| Aliphatic solvents | high | |||
| Anhydrous alcohol | good | |||
| Water | poor | |||
Applications:
As one of the main raw material for the production of silicone sealants; or as lubricants in personal care products;or as a hydrophobic agent, softener, hand-feel improver, defoamer for fibers and leather in the dyeing industry or leather industry, or as lubricant for sewing threads; or as a brightener ingredient in automobiles, furniture, cement products; or as a release agent for rubber or plastic products (brake pads, screws, plugs), EVA shoe materials; or as a lubricant for the extruding of rubber products; or as lubricant for the following textile processes: yarn weaving, lubrication of stitching, production of socks and underwear, lubrication of stitching needles, and fiberglass filters; or as food grade defoamer that can be used in the food brewing and fermentation, or pharmaceutical process.
Packing: 200kg/drum
