| CAS No.: | 9006-65-9 |
|---|---|
| Appearance: | Liquid |
| Usage: | Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents, Electronics Chemicals |
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IOTA 201-5000 - 201-500000 (viscosities 5 000 - 10 000 - 12 500 -30 000 - 60 000 - 300 000 - 500 000) are dimethylpolysiloxane polymers with linear chains.
Antiadherent agents: mould release of plastics and metal castings,
Lubricants: lubrication of elastomers and plastics on metal,
Hydraulic damping fluids,
Additives in maintenance products (wax polishes, floor and furniture polishes, etc.).
Good thermal stability,
Good resistance to combustion,
Good dielectric properties,
Low freezing point,
Low surface tension,
High compressibility,
Good oxidation resistance,
Absence of ageing under exposure to weather conditions,
Low variation of viscosity with temperature,
Good shear resistance,
Non miscible with most of organic materials,
Soluble in aromatic, aliphatic and chlorinated solvents,
Insoluble in water and alcohols.
Appearance................................................................. clear-colorless liquids
Viscosity at 25ºC,mm2/s,approx.................................................... 5 000 - 500 000
Specific gravity at 25ºC,approx........................................................ 0.973
Flash point(open cup),ºC,........................................................... >300
Fire point, °C ............................................................ >350
Pour point,ºC,approx........................................... - 45
Refractive index at 25ºC,approx. .......................... 1.404
Surface tension at 25ºC, mN/m, approx. ................. 21.1
Vapor tension at 200ºC,Pa,approx. ...................... 1.33
Expansion coefficient between 25ºC and 100ºC,cm3/(cm3·ºC), approx, ...... 9.45*10-4
Specific hear between 40ºC and 200ºC:
- J/(g·K), approx ............................................. 1.50
- Cal/(g·K), approx .......................................... 0.36
Themal conductivity,W/(m·K),approx................... 0.16
Viscosity/temperature coefficient[1],approx........... 0.62
Dielectric strength at 25ºC,KV/mm,approx. ............ 18
Permittivity at 25ºC,approx. ....................................... 2.80
Dielectric dissipation factor at 25ºC and 100kHz,appro..................... 1*10-4
D.C. resistivity at 25ºC, Ω·cm,approx..................................................... 1*1015
[1] Viscosity/temperature coefficient=1-(Viscosity at 99ºC/ Viscosity at 38ºC)
IOTA 201-5000-201-500000 are available in 25 and 200 kg drums, in 1000kg containers or in tankers.
When stored in its original unopened packaging at a temperature of between -20 and +50 ºC, IOTA 201-5000-201-500000 may be stored for up to 36months from its date of manufacture (expiry date). Comply with the storage instructions and expiry date marked on the packaging.
Past this date, IOTA no longer guarantees that the product meets the sales specifications.
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