precipitated silica :
1.appearance:powder or granular
white granular precipitated silica for tires (rubber)
Description of white carbon black
Precipitated silica with special physic -chemical properties, work as reinforcing transparent fillers
highly valued in formulation of rubber-based blends. In particular, They lead to enhanced tensile
strength, tear strength and abrasion resistance and increase hardness of vulcanized rubbers.
On the other hand, They reduce consumption of rubbers and therefore reduce the cost.
Specification of white carbon black
Heating loss(105°C 1.5h) %
ignition Loss 1000°C(Dry Basis) %
DBP (Oil absorption value) cm3/g
PH value(5% Aqueous Suspension)
SiO2(Dry Basis) %
BET Specific Surface Area m2/g
45µm Residue on sieve %
Salt As Na2SO4 % m2/g
Total Fe mg/kg
Application of white carbon black
Shoe industry, Tyre industry, Industry rubber products, The plastics industry and Animal
feed additive .
1.Shoe industry: Rubber outsoles reinforcing filler,the performance of reinforcing close to
the carbon black,it can be used for light colored rubber products,transparent appearance
and excellent wear resistance.
2.Tyre industry: Reduce tire rolling resistance,increasing tire grip in the wetlands and icy ground.
3.Industry rubber products:Applied to the rice roller,hoses,rubber rollers,belts,oil seals,etc.,
can improve tear resistance,abrasion resistance,and extend the life of the products.
4.The plastics industry: To improve plastic's toughness,strength,waterproof.
5.Animal feed additive: To be as carrier, is not easy to agglomerate,excellent anti caking
property, fluidity of the powder can enhance the liquidity of the production.
Packaging of white carbon black
---In PP woven bag of 20kgs net each, total 21MT(1050 bags) in 40HQ without pallet
---In PP woven bag of 25kgs net each, total 16.80MT(672 bags) in 40HQ with pallet
---400kgs/800kgs per jumbo bag , total 17.60MT (44 bags) in 40HQ with pallet
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