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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
POWSIL-59211
POWSIL-59211

POWSIL™-59211 is a silicone fluid with a dimethylpolysiloxane structure. It is a synthetic oil which does not exist in nature. It is composed of organic methyl groups and inorganic siloxane bonds (Si-O-Si). Siloxane bonds also make up such highly heat-resistant materials as glass and quartz. 

POWSIL-59211

Features & Benefits


  • 100% polydimethylsiloxane


  • Excellent lubricity


  • Low surface tension


  • High thermal and oxidation stability


  • Very low volatility


  • Nonionic and chemically inert


  • Good compatibility with textile finishing auxiliaries


Physical Properties


CAS No.

63148-62-9

EINECS No.

613-156-5

Color and Appearance

Colorless transparent liquid

Specific Gravity (25°C)

0.975

Refractive Index (25°C)

1.403

Viscosity

5000 cSt

Flash Point

>300°C

Ignition Point

>400°C

Freezing Point

-50°C

Surface Tension

21.4mN/m

These values are typical and are not intended for use as specifications

Application


  • POWSIL™ 59211 is primarily used as a base silicone softener after emulsification. It is suitable for fabric softening of woven and knitted textiles, where it enhances surface smoothness, improves slip, and provides a smooth, silky hand feel. The product contributes to better fabric drape and reduced surface friction, making it appropriate for general-purpose or cost-sensitive soft finishing systems.


  • In addition, POWSIL™ 59211 is widely used for yarn and sewing thread lubrication. It improves processing performance by reducing friction and abrasion and helps enhance dry rubbing performance.


  • POWSIL™ 59211 may also be blended with amino silicone emulsions or other textile softeners to adjust smoothness, reduce tackiness, and optimize formulation balance depending on the desired handle characteristics.

Packing and Storage


POWSIL™-59211 is supplied in 190Kg steel drum or 950Kg IBC tote.


In the original unopened packaging, POWSIL™-59211 fluid has a shelf life of 24 months when stored at ambient temperatures. The product does not freeze and there are no restrictions on storage.

Documents

DownloadPOWSIL-59211 Technical Data Sheet
DownloadPOWSIL-59211 Safety Data Sheet
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POWSIL-59211