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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® PS901
SiSiB® PS901

Precipitated Silica

SiSiB® PS901 is a high-purity precipitated silica designed for high-performance silicone rubber applications. Featuring high specific surface area, high oil absorption and fine primary particle structure, it provides excellent reinforcing efficiency, transparency and anti-yellowing performance in silicone elastomer systems. It can effectively improve hardness, tensile strength and tear resistance of cured compounds.

SiSiB® PS901

Technical Data


CAS No.

112 926-00-8 (formerly 7631-86-9)

EINECS No.

231-545-4

Appearance

White powder

SiO2 content (%)

Min.99.0

Loss on Drying (%) (105°C, 2h)

5.0-8.0

Loss on Ignition (%) 1000°C

Max. 6.0

pH Value

6.0-7.0

Fe Content (mg/kg)

Max.200

DBP Absorption (cm3/g)

2.50-3.00

BET Surface Area (m2/g)

160-190

Particle Size D50 (μm)

8.00-13.00

Electrical Conductivity (μS/cm)

Max.200

Note: These values are typical and are not intended for use as specifications.

Application


SiSiB® PS901 is mainly used as a reinforcing filler in high-end silicone rubber applications, including transparent silicone rubber, sealing materials, molded silicone parts and other high-performance elastomer systems requiring high mechanical strength and appearance quality.

Packing and Storage


  • SiSiB® PS901 is supplied in multiple layer 20 kg bags.


  • SiSiB® PS901 should be stored in a dry, sealed and well-ventilated area. Avoid exposure to moisture and volatile substances.


  • When stored in the original unopened packaging under recommended conditions, the product has a shelf life of 24 months from the date of manufacture. For best performance, use within 12 months.

Documents

DownloadSiSiB® PS901 Technical Data Sheet
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