ZC140 Powder White Powder form, it can be dissolved by NaOH, HF.Other kinds of acid, water and solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties
ZC140 Powder Precipitated Silica for Rubber
Product Name
SiO2, Precipitated Silica, White Carbon black, Silicon Dioxide, Conventional Silica Powder
Chemical Properties
White powder, precipitated silcia is made of sodium silicate with sulfuric acid through hydrolysis.
It can be dissolved by NaOH,HF. Other kinds of acid, water and solvents can not dissolve the product.
Specifications
|
Items |
Specification |
|
Appearance |
White Powder |
|
Loss at 105oC 2h % |
4.0-8.0 |
|
Igniting Loss 1000oC 2h % Max. |
7.0 |
|
DBP absorption Value cm3/g |
2.00-2.80 |
|
45Mesh sieve residue % Min |
0.5 |
|
pH Value(5% aqueous suspension) |
6.0-8.0 |
|
SiO2 % Min |
97 |
|
BET specific surface area m2/g |
125-155 |
Application
1. ZC140P is a versatile inorganic chemical which are used for reinforcement of rubber seals, battery separators, rubber sacs, belts and tyres industries etc.
2. ZC140P possesses a high reinforcing potential and imparts to rubber compounds as the lower specific surface. It can improve high Shore hardness, tensile strength, tear resistance and abrasion resistance, less deformation under compression, extended products life.
3. In order to achieve optimum rubber-technical data the addition of activators like glycols, amines or other alkaline accelerators is necessary.
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