Silicone Rubber _Sanming fengrun chemical industry CO. ,LTD.

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Silicone Rubber

This product has special physical and chemical properties, making it the best transparent reinforcing additive in rubber-based blends, which can greatly improve the aging resistance, resilience and compression deformation resistance of silicone rubber.

STANDARD : HG/T 3061-2009
CAS NO : 112926-00-8(7631-86-9)
EINECS No : 231-545-4

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Product description

产品参数

Technical parameters of silicon dioxide for silicone rubber:

Type model	FENGSIL-140C	FENGSIL-160C	FENGSIL-180C
Appearance	Super-fine Powder
Specific Surface Area m a BET ² / G specific surface area	130-150	150-170	170-190
Silica(dry basis)% Silica content	≥ 96
Heating loss (105 ° C)% Loss on heating	4.0-8.0
Loss on ignition (1000 ± 25 ° C)% Loss on ignition	≤7.0
PH-value (10%aqueous solution) PH-value (10%aqueous solution)	5.0-8.0
The Value Oil Absorption cm3 the DBP / G the DBP oil absorption	2.0-3.5
45um sieve Residue% 45um sieve residue	≤ 0.5
Soluble salt (Na2SO4)% soluble salts (sodium sulfate)	≤ 1.5
Cu mg/kg	≤ 30
Mn mg/kg	≤ 50
Fe iron mg/kg	≤300
Average grain diameter d50 μm particle size	12-16