175GR White Granular Precipitated Silica in Rubber Shoe Sole

Silica 175GR is white granular rolled by German roll squeezer machine, with low dust, high bulk specific weight, un-floating, and easy to be transported and processed.

 

  • Item NO.:

    175GR
  • EINECS No:

    231-545-4
  • CAS No.:

    112926-00-8
  • Chemical Formula:

    SiO2
  • Surface BET (m²/g):

    155-185
  • Properties:

    White granular form, precipitated silica is made of sodium silicate with sulfuric acide through hydrolysis. It can be dissolved by NaOH, HF. Other kinds of acid, water and solvents cannot dissolve the product.

175GR White Granular Precipitated Silica in Rubber Shoe Sole

Better Transparency White Carbon Granular Precipitated Silica for rubber shoe sole and tire industry

 

Product Name

Amorphous Silica, SiO2, White carbon black, Precipitated Silica, Silica, Silicon Dioxide, Reinforcing filler, NV2, NV3.

 

Chemical Properties

White powder or granular form, precipitated silica is made of sodium silicate with sulfuric acide through hydrolysis.

It can be dissolved by NaOH,HF. Other kinds of acid, water and solvents cannot dissolve the product.

 

Specifications

Items

Specification

Appearance

White Granular

Loss at 105°C 2h %

4.0-8.0

Igniting Loss 1000°C 2h % Max.

7.0

DBP absorption Value cm3 /g

2.00-2.80

60Mesh sieve residue % Min

75

pH Value (5% aqueous suspension)

6.0-8.0

SiO2 % Min

97

BET specific surface area m2/g

155-185

 

Application

Precipitated silica 175GR is made as a semi-reinforcing filler in non-black SBR compounds.

White Carbon Black Granular 175GR has excellent reinforcement performance and surface activity in white and light-colored fillers and is widely used in rubber soles, tires, rubber pipes, rubber tapes, cost, rubber seals and other products.

175GR produced an improvement in the wear resistance of these compounds. The formulas, based on a combination of SBR, silica, and high styrene resin, provided hitherto unavailable levels of abrasion and tear resistance.

These benefits, together with the elimination of the floor marking deficiency of black soles, led to the gradual replacement of carbon black and clay in both hard and soft soling.  

Beyond the selling and footwear markets, silica's adaptability to compounding in color made it a valuable new resource in belting, hose, and other mechanical goods products.

175GR White Granular Precipitated Silica in Rubber Shoe Sole

Better Transparency White Carbon Granular Precipitated Silica for rubber shoe sole and tire industry

 

1.  Package: 17.5kg/paper bag, 20kg/ paper bag, 580kg/Jumbo Bag, 800kg/Jumbo Bag.

2.  Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.

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