Silica for Tire Industry
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        Silica for Silicon Rubber
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        Sodium Silicate

Silica for Silicon Rubber

Technical Parameters:

AppearanceSuper-fine Powder
BET specific surface area  ㎡/g130-150150-170170-190
Silica(dry basis) %≥ 96
Heating loss (105°C) %4.0-8.0
Loss on ignition (1000±25°C)%≤7.0
 PH-value(10%aqueous solution)5.0-8.0
DBP Oil Absorption Value cm3/g2.0-3.5
45um sieve Residue %≤ 0.5
Soluble salt (Na2SO4)%≤ 1.5
Cu   mg/kg≤ 30
Mn  mg/kg≤ 50
Fe  mg/kg≤ 300
Average grain diameter d50  μm12-16

STANDARD: HG/T 3061-2009
CAS NO: 112926-00-8(7631-86-9)
EINECS No: 231-545-4
Product Description: The product has special physicochemical properties, thus it is the best transparent reinforcing additive. It can greatly increase the anti-aging property, rebound resilience and deformation resistance and other performances. 


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