PRECIPITATED SILICA 180/160/120/200

Подробности

Classification:Chemical Auxiliary Agent
CAS No.:7631-86-9
Other Names:Precipitated Silica
MF:SiO2.nH2O
EINECS No.:231-545-4
Purity:98% MIN
Place of Origin:China
Type:Bulking Agent
Usage:Coating Auxiliary Agents, Plastic Auxiliary Agents, Rubber Auxiliary Agents
Brand Name:RICHON
Model Number:Silica
Appearance:White powder, granular or pearl
Product name:Precipitated Silica
Product name2:Silicon dioxide
Product name3:White Carbon Black
Product name4:SiO2
  • Specification:

Item

Richon-180P

Richon-180G

Richon-180MP

Appearance

White powder

White granular

White micro pearl

BET specific surface area, m2/g

161-190

161-190

161-190

SiO2 content (on dry basis) (Min) ≥ %

90

90

90

SiO2 content (Min) ≥ %

98

98

98

Loss on drying(105, 2h), %

4.0-8.0

4.0-8.0

4.0-8.0

Loss on ignition(on dry basis) (Max) ≤ %

7.0

7.0

7.0

pH value

5.0-8.0

5.0-8.0

5.0-8.0

Fe content (Max) ≤ mg/kg

500

500

500

DBP absorption value, cm3/g

2.00-3.50

2.00-3.50

2.00-3.50

Water soluble matters (Max) ≤ %

2.5

2.5

2.5

Particle size

 

 

 

  Residue on 45μm sieve (Max) ≤ %

0.5

-

-

  Residue on 80mesh sieve (Min) ≥ %

-

75

80

 
  • Properties: Insoluble in water and acid; soluble in caustic soda and hydrofluoric acid.
  • Application: Mainly used as bulking agent of tire, plastic shoes sole, also used in pesticide, dope and
    other silicon compound.
  • Packing: In 20kgs bag.
  • Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the
    packaged product to direct sunlight.

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