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AL2CHEM SPECIALTIES AL PS-35 Silica

AL PS-35, a precipitated, non-crystalline, amorphous silica, is an excellent silica for improving mechanical properties of rubber and elastomers. Also, due to its high level of absorption, it can be used as a carrier for liquid additives in applications such as animal feed.

Ingredient Name: Silicon Dioxide

Chemical Family: Silica

Functions: Anti-Caking Agent, Carrier, Flow Promoter, Reinforcement

Technical Data Sheet
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Identification & Functionality

Chemical Family
Chemical Name
Ingredient Name
Animal Feed & Nutrition Functions
Plastics & Elastomers Functions
CAS No.
7631-86-9
EC No.
231-545-4
Ingredients
Silicon Dioxide, Silica
Food Additive Number
E 551, INS 551

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Applications
  • Use in tire, mechanical rubber goods and elastomers
  • Shoe soles and translucent rubber products
  • Anti-caking and carrier for animal feed, etc.

Properties

Physical Form
Typical Physical Properties
ValueUnitsTest Method / Conditions
Average Particle Size45μm
BET Specific Surface Areamin. 180m²/g
DBP Absorption Valuemin. 250
Heating Loss (at 105°C for 2 hr)3.0 - 5.5%
Ignition loss (at 1000°C for 2 hr)3.5 - 6.0%
Iron Contentmax. 149ppm
Lead Contentmax. 0.0001%
pH Valuemin. 7
Silicon Dioxide Content (dry)min. 97%%
Sodium Sulfate Contentmax. 0.4%

Packaging & Availability

Packaging Type
Availability

Available in 20 kg bags