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

Tosoh Nipsil ER-R Precipitated Silica

Tosoh Nipsil ER-R is a precipitated silica produced in Taiwan, China. Specifically designed for high-transparency and high-elasticity rubber formulations, it has excellent reinforcement and processability, with fast dispersion and stable vulcanization to improve product performance.


Features Of Tosoh Nipsil ER-R Precipitated Silica

  1. High transparency & reinforcement - Balance clarity and mechanical strength with excellent appearance

  2. Excellent elastic recovery - Improve rubber resilience and fatigue resistance, extend service life

  3. Easy dispersion & processing - No agglomeration or sticking, reduce production energy consumption

  4. Strong vulcanization compatibility - Suitable for various rubber vulcanization systems, stable performance

  5. High purity & low impurities - No black spots or foreign objects, ensure end-product quality

Typical Applications Of Tosoh Nipsil ER-R Precipitated Silica

  1. Transparent rubber products - Clear soles, seals, silicone accessories

  2. High-end footwear - Sports soles, casual trims, improve elasticity and wear resistance

  3. General rubber parts - Seals, shock pads, hoses and belts, enhance performance

  4. Special rubber - High-elasticity rubber products, transparent silicone parts

  5. Elastomer modification - Reinforce TPR and TPE, improve toughness

Specifications Of Tosoh Nipsil ER-R Precipitated Silica

BrandTosoh Nipsil
Product TypePrecipitated Silica / White Carbon Black
AppearanceWhite powder
SiO₂ Content≥98.5%
Specific Surface Area (N₂)170–190 m²/g
pH Value (5% water solution)6.2–6.8
Loss on Heating≤5.5%
Tapped Density205–225 g/L
Median Particle Size D5012–16 μm
Oil Absorption (DBP)210–230 mL/100g



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