Silicon dioxides

Precipitated silica used for tyre

Features:Used in tyre to improve steel wire adhesion and reduce tyre rolling resistancetyre’s rolling resistance. 
Application range:tyre industry
Executive standard:HG/T 3061-1999
CAS No.:112926-00-8(7631-86-9)
EINECS No.:231-545-4
Technical parameters

Specification
TOND-175Gr
Appearance
white granule
Heating loss(105°C) %
4.0-7.0
Loss on ignition(1000±25°C) %
4.0-6.0
SiO2(content) %
≥92
PH value
6.0-7.0
Fe2O3 mg/kg
≤500
DBP oil factor cm3/g
2.0-3.0
45祄 Residue on sieve %
≤1.0
BET specific surface area m2/g
160-190
Na2SO4 %
≤1.0
Residue on sieve(200 meshes) %
≥90
Residue on sieve(40 meshes) %
≥80
Compacted density g/l
320-340

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