ZEMSIL PS-SK
≡ Coupsil 8113Pre-Silanized Precipitated Silica (One-Step Tire Grade)
CAS 7631-86-9
Also equivalent to: Zeosil HRS 1200MP
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~165
m²/g
BET Surface
~6
%
Silane Loading
~89
%
SiO₂ Content
~2-3
%
Carbon Content
Specifications
| Property | Value | Unit |
|---|---|---|
| BET Surface Area | 165 ± 15 | m²/g |
| Silane content | ~5-7 | % |
| SiO₂ (dry basis) | ~89 | % |
| Carbon content | ~2-3 | % |
| Moisture (105°C, 2h) | ≤7 | % |
| pH (5% suspension) | 6.0–7.5 | — |
Applications
Green tire tread (one-step mixing)EV tiresSimplified rubber compounding
Key Features
- —Pre-silanized — eliminates separate silane addition in tire compounding
- —Reduces VOC emissions during mixing; Equivalent to Coupsil 8113
- —One-step processing lowers energy cost
Precipitated Silica
- ZEMSIL PS-115115 ± 15 m²/g
- ZEMSIL PS-165165 ± 15 m²/g
- ZEMSIL PS-175175 ± 15 m²/g
- ZEMSIL PS-200200 ± 20 m²/g
- ZEMSIL PS-VN3175 ± 15 m²/g
- ZEMSIL PS-120120 ± 15 m²/g
- ZEMSIL PS-230230 ± 20 m²/g
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