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

Tokuyama REOLOSIL DM10 Hydrophobic Fumed Silica

Tokuyama REOLOSIL DM10 is a hydrophobic fumed silica imported from Japan, surface-modified with dimethyldichlorosilane from high-purity fumed silica. It features large particle size, high hydrophobicity, strong thixotropy, good reinforcement and anti-caking properties, designed for polar systems and silicone materials.


Features Of Tokuyama REOLOSIL DM10 Hydrophobic Fumed Silica

  1. Dimethylsilane hydrophobic modification - Strong hydrophobicity and lipophilicity, stable dispersion in polar solvent systems, low water absorption

  2. Large particle size & stable structure - Primary particle size ~15 nm, good compatibility, balanced thickening and thixotropic effect

  3. High-efficiency reinforcement & toughening - Significantly improve mechanical strength and wear resistance of silicone rubber and elastomers

  4. Excellent anti-settling & anti-sagging - Stabilize pigments in coatings and inks, prevent settling and sagging

  5. Powder flow aid & anti-caking - Improve powder fluidity, no caking during long-term storage, smooth dispersion

Typical Applications Of Tokuyama REOLOSIL DM10 Hydrophobic Fumed Silica

  1. Silicone rubber & organic elastomers - Efficient reinforcement, improve tensile, tear strength and resilience

  2. Sealants & adhesives - Thicken and thixotropic, prevent sagging, enhance bonding strength and durability

  3. Industrial coatings & inks - Thicken and thixotropic for polar systems, anti-settling, improve printing and coating effect

  4. Powder & granular materials - Improve fluidity and anti-caking, enhance processing and application stability

  5. Polymer composites - Optimize rheological properties, enhance mechanical and weather resistance

Specifications Of Tokuyama REOLOSIL DM10 Hydrophobic Fumed Silica

BrandTokuyama
Product SeriesREOLOSIL Hydrophobic Fumed Silica
Product TypeHydrophobic Fumed Silica
Surface TreatmentDimethyldichlorosilane
Primary Particle SizeApprox. 15 nm
BET Surface AreaApprox. 100±20 m²/g
Moisture Content≤0.5 wt%
SiO₂ Content≥99.8 wt%


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