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

Evonik Ultrasil VN3 Precipitated Silica

Evonik Ultrasil VN3 is a high-performance precipitated silica used as a white reinforcing filler for rubber. It greatly improves hardness, tensile strength, tear resistance and abrasion resistance, with high transparency and processing stability for various rubber products.

Features Of Evonik Ultrasil VN3 Precipitated Silica

  1. High reinforcement - greatly improves rubber hardness, tensile and tear strength

  2. Excellent abrasion resistance - enhances product wear life and service life

  3. High transparency - provides good clarity for light-colored rubber products

  4. Stable processability - uniform dispersion, no agglomeration, suitable for standard mixing

  5. Wide compatibility - works well with natural and synthetic rubber systems

Typical Applications Of Evonik Ultrasil VN3 Precipitated Silica

  1. Tires – improves strength, wet grip and rolling resistance

  2. Shoe soles – enhances wear resistance, tear resistance and transparency

  3. Wires & cables – optimizes insulation mechanical performance

  4. Industrial rubber goods – used in seals, dampers and hoses

  5. Light-colored rubber products – replaces carbon black for white/clear items

Specifications Of Evonik Ultrasil VN3 Precipitated Silica

BrandEvonik
Product TypePrecipitated Silica / Silicon Dioxide
AppearanceWhite powder
BET Surface Area165–195 m²/g
pH Value5.4–7.0
Loss on Drying4.0–7.0%
SiO₂ Content≥99%
CAS No.7631-86-9 / 112926-00-8
Packing25kg/bag


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