ZC 165 Powder Precipitated Silica for Rubber

Precipitated silica, a form of synthetic amorphous silicon dioxide, is derived from quartz sand, a crystalline form of silicon dioxide. The physical properties of precipitated silica can be manipulated during the manufacturing process to deliver products with a wide range of performance-enhancing features engineered for many different end-use applications.

  • Item NO.:

    ZC165P
  • EINECS No:

    238-878-4
  • CAS No.:

    10279-57-9
  • Chemical Formula:

    SiO2
  • Surface BET (m²/g):

    145-175
  • Properties:

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

ZC 165 Powder Precipitated Silica for Rubber


Product Name

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica


Chemical Properties

Precipitated silica, a form of synthetic amorphous silicon dioxide, is derived from quartz sand, a crystalline form of silicon dioxide. The physical properties of precipitated silica can be manipulated during the manufacturing process to deliver products with a wide range of performance-enhancing features engineered for many different end-use applications.


Specifications

Items

Specification

Appearance

White Powder

Loss at 105 oC 2h %

4.0-8.0

Igniting Loss 1000 oC 2h % Max.

7.0

DBP absorption Value cm3 /g

2.00-3.50

45Mesh sieve residue % Min

0.5

pH Value(5% aqueous suspension)

6.0-8.0

SiO2 % Min

97

BET specific surface area m2/g

145-175


Application

1. ZC165P are a versatile inorganic chemical which are used for reinforcement of rubbers and plastics, coating and paints, printing inks and cosmetics, anti blocking of plastic foils, free running and free flow of sticky solid and liquid substances, carrier for pesticides, secticides, high temperature insulation, stabilizing of beer and silicon rubber.

2. ZC165P possesses a high reinforcing potential and imparts to rubber compounds particularly high Shore hardness, tensile strength, tear resistance and abrasion resistance.

In order to achieve optimum rubber-technical data the addition of activators like glycols, amines or other alkaline accelerators is necessary.

ZC 165 Powder Precipitated Silica for Rubber 

1.  Package: 20kg/PE bag, 15kg/paper 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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