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

Tosoh Nipsil RS-150 Precipitated Silica

Tosoh Nipsil RS-150 is a medium-surface-area precipitated silica from Taiwan, China. It delivers balanced reinforcement, easy dispersion, and low oil absorption, ideal for rubber, footwear, sealants, and industrial fillers with stable processing.


Features Of Tosoh Nipsil RS-150 Precipitated Silica

  1. Balanced reinforcement – improves tensile, tear strength and wear resistance with good toughness

  2. Excellent dispersibility – fast mixing, no roll sticking, lower energy cost

  3. Low oil absorption – high compatibility, reduces additive usage

  4. Consistent batch quality – uniform particle size, stable performance

  5. High purity – smooth appearance, no defects

Typical Applications Of Tosoh Nipsil RS-150 Precipitated Silica

  1. General rubber products – hoses, belts, dampers, seals

  2. Footwear soles – sports shoes, casual shoes, transparent materials

  3. Silicone/PU sealants – reinforcement, thixotropy, weather resistance

  4. Coatings & inks – matting, thickening, anti-settling

  5. Plastic modification – filling, strengthening, dimensional stability

Specifications Of Tosoh Nipsil RS-150 Precipitated Silica

BrandTosoh Nipsil
Product TypePrecipitated Silica / White Carbon Black
AppearanceWhite ultra-fine powder
SiO₂ Content≥98%
Specific Surface Area (N₂)180–230 m²/g
pH Value (4% suspension)5.5–6.5
Moisture Content (105℃, 2h)≤9.0%
Average Particle Size9 μm


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