Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

LAN-XESS VULKASIL S Silica

LANXESS VULKASIL® S is a high-performance precipitated silica from the VULKASIL® series, engineered for superior reinforcement in rubber compounds—especially tires—delivering enhanced abrasion resistance, rolling resistance reduction and processing efficiency without compromising cure characteristics or dispersion.
  • lan xess vulkasil s silica_b28e7950
  • lan xess vulkasil s silica_b28e7950

Features Of LAN-XESS VULKASIL S Silica

  1. Highly dispersible precipitated silica optimized for sulfur-cured rubber compounds.

  2. Enhanced polymer–filler interaction due to controlled surface silanol density and tailored particle morphology.

  3. Excellent processing safety with low dust generation and improved flowability during mixing.

  4. Consistent reinforcement performance across natural rubber (NR), styrene–butadiene rubber (SBR), and butadiene rubber (BR) systems.

  5. Reduced compound viscosity and improved scorch safety compared to conventional silica grades.

Typical Applications Of LAN-XESS VULKASIL S Silica

  1. Passenger car and light truck tire treads for improved wet grip and rolling resistance.

  2. Green tire sidewalls and carcass compounds requiring balanced stiffness and fatigue resistance.

  3. Industrial rubber goods including conveyor belts, hoses, and vibration-damping components.

  4. Dynamic elastomeric parts such as engine mounts and bushings demanding high resilience and low heat build-up.

  5. Specialty rubber formulations requiring precise control of filler–polymer interaction and dispersion stability.

Specifications Of LAN-XESS VULKASIL S Silica

Chemical TypePrecipitated amorphous silica (SiO₂)
Product FormFree-flowing granular powder
AppearanceWhite to off-white granules
Primary ApplicationsReinforcing filler in sulfur-cured rubber compounds
Key FeaturesHigh dispersibility, low abrasivity, optimized surface chemistry
BenefitsImproved tread wear, reduced rolling resistance, enhanced processability
Bulk Density (kg/m³)400–450
pH (10% aqueous suspension)6.5–7.5


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