Amorphous Precipitated silica in rubber
Precipitated silica ZC Series are mainly used as rubber strengthening agent and additives. It can be used to manufacture white, transparent rubber products. .
Precipitated Silica ZC Series is used to improve rubber tear strength, flex fatigue resistance, abrasion resistance, heat build-up, hardness, modulus, resilience and adhesion. Due to the high surface area and purity of our product, vulcanization can be made with excellent transparency, enhanced strength properties, tear / shear hardness and abrasion resistance.
It is a high-quality, reinforcing particulate filler that is used in conjunction with carbon black in rubber components of Tyres and mechanical goods to improve performance
Precipitated silica ZC Series are mainly used as a reinforcement agent in rubber and Tyre formulations.
Description
Powder ,Granular micropearl Amorphous Precipitated silica with ZC Series Rubber Grade
Chemical Name: Silicone Dioxide
Formula :SiO2 nH2O
Synonym: Amorphous Silica, SiO2, White carbon black, Precipitated Silica, Silica,
Silicon Dioxide,silica ,matting agent silicon,white carbon black ,White filler,PPS, Precipitated Silica,Amorphous Precipitated silica
CAS NO.: 7631-86-9 ；EINECS: 231-545-4
CAS NO.: 10279-57-9; EINECS: 238-878-4
Form:powder, granular or micro-pearl
Conventional precipitated Silica can be dissolved by NaOH,HF. Other kinds of acid, water and solvents can not dissolve the product.
Specification:
| Product Series | Rubber Grade ZC Series | ||||||
| Type | Zc-120 | ZC-140 | ZC-165 | ZC-175 | ZC-185 | ZC-195 | |
| Physical form | Powder,Granular,Micro-Pearl | ||||||
| BET | m2/g | 105-135 | 125-145 | 145-175 | 165-185 | 175-195 | 185~205 |
| CTAB | m2/g | 90～125 | 115～125 | 135-165 | 155～175 | 165～185 | 175～195 |
| Bulk density | g/l | 190~260 | |||||
| Silica（dry basis） | % | ≥98 | |||||
| Drying loss | % | 4.0~8.0 | |||||
| Ignition loss (dry basis) | % | ≤7.0 | |||||
| PH（10% aqueous solution） | 6.0~7.5 | ||||||
| DBP | cm3/100g | 200~300 | |||||
| Sieve Residue 45um | % | ≤0.5 | |||||
| Cu | mg/kg | ≤30 | |||||
| Mn | mg/kg | ≤50 | |||||
| Fe | mg/kg | ≤1000 | |||||
| Soluble salts (in forms of Na2SO4) | % | ≤1.6 | |||||
If you need more specification ,please feel free to contact us
Application:
- Precipitated silica rubber grade ZC Series are mainly used in rubber footwear,Rice roller and Tyre,rubber goods industries. It is offered low dust,high bulk specific weight that it can be easy to process.
- Precipitated Silica rubber grade ZC series 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
Package:
1. Package: 20kg/bag,25kg/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.
1. Package: 20kg/bag,25kg/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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Application
- Precipitated silica are mainly used in Shoe making, Rubber Roller and Tyre industries. It is so low dust,high bulk specific weight that it can be easy to process.
- Precipitated silica 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
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