Special Silica for Silicone Rubber
HPSIL® silica is ultra-fine precipitated silica made by special processing technology. This series of products has high specific surface area, fine particles, and with low impurity content. Highly recommended in the rubber industry.Rubbers and Plastics Applications:RubberSilicone RubberSpeciality Silica features:Improve tensile-strength, abrasion resistance and transparency in silicon rubberExcellent yellowing resistance and high transparency Improve the hardness, tensile and tear strength of silicone rubber productsExcellent abrasion resistance performance
Precipitated Silica As Rubber Filler Technical data sheet:
HPSIL®
Particle Size
BET
Loss on drying
Sulphate Content
PH Value
SiO2 Content
IronContent
Packaging(bag)
(μm)
(m2/g)
(%)
(%)
(%)
(mg/kg)
325
35
160-180
4 ~ 8
≤1.5
6.5 ~ 7.5
≥90
≤1000
20kgs
360
8
180-200
4 ~ 8
≤1.5
6.5 ~ 7.5
≥90
≤500
10kgs
365
8
180-200
4 ~ 8
≤1.0
6.5 ~ 7.5
≥90…