Precipitated silica for rubber industry

Brief Description
Classification: Silicon Dioxide CAS No.: 7631-86-9 Other Names: hydration silicon dioxide
MF: SiO2 nH2O EINECS No.: 231-545-4 Place of Origin: Fujian China (Mainland)
Grade Standard: Industrial Grade Purity: >92% Appearance: powder
Application: for rubber industry Brand Name: Fengrun Model Number: Fengsil-180P
CAS No.: 7631-86-9 Appearance: powder Use for: shoe sole and rubber industry
Delivery Terms & Packaging
Packaging Detail:In PP woven bag of 15kgs net each. total 17.4MT(1160bags) in 40HQ without pallet; In PP woven bag of 15 kg net each on pallet.total 14.4MT(960bags) in 40HQ with pallet
Delivery Detail:10days upon receipt the order
Specifications
Precipitated silica for rubber industry

silicon dioxide powder for shoe sole.
applied to rubber industrial
reinforcing filler for rubber with high reinforcing

   silica

SiO2 (%)

≥ 92

Loss on heating (%)

5.0-6.5

Loss on ignition (%)

≤ 7.0

PH value

6.5-7.0

Specific surface area  BET(cm2/g)

160 -175

DBP absorption value (cm3/g)

2.2-2.4

Total iron content ( mg/Kg)

≤ 300

Sulfate (%)

≤1.5

Pellet degree

≥100mesh/inch: ≥92%

jacky at fengrunchem dot com 

It is reinforcing filler for rubber soles with high reinforcing effect as that of carbon black, and it can make rubber products with light color or transmissivity

 

silica powder for shoe sole