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

Tokuyama REOLOSIL MT-10 Hydrophobic Fumed Silica

Tokuyama REOLOSIL MT-10 is a hydrophobic fumed silica imported from Japan, surface-modified with methyltrichlorosilane. It delivers stable thixotropy, efficient thickening and good reinforcement for polar systems, widely used in paints, inks, sealants, LED and powder materials with strong compatibility.


Features Of Tokuyama REOLOSIL MT-10 Hydrophobic Fumed Silica

  1. Strong hydrophobicity & hydrolysis resistance – organically modified surface, moisture-proof and hydrolysis-resistant, prolong formula shelf life

  2. Medium-high specific surface area reinforcement – ultra-fine particle structure, effectively enhance mechanical strength of silicone rubber

  3. Strong thixotropic control – quickly form 3D network, prevent sagging and sedimentation, improve construction accuracy

  4. Ultra-high purity – extremely low metal ions, meet high-cleanliness requirements of LED and transparent rubber

  5. Multi-system compatibility – suitable for polar solvent systems, with flow aid and anti-caking functions, easy to process

Typical Applications Of Tokuyama REOLOSIL MT-10 Hydrophobic Fumed Silica

  1. Paints & coatings – thickening and anti-settling for polar systems, improve film flatness, weatherability and adhesion

  2. Printing inks – enhance thixotropy and pigment dispersion, improve printing clarity, color stability and printability

  3. Sealants & adhesives – thickening and reinforcement, improve bonding strength, waterproof performance and long-term stability

  4. LED & electronic materials – high purity for encapsulation, ensure insulation and electronic performance stability

  5. Silicone rubber & elastomers – efficient reinforcement, improve toughness, wear resistance and aging resistance

Specifications Of Tokuyama REOLOSIL MT-10 Hydrophobic Fumed Silica

Product TypeHydrophobic Fumed Silica
AppearanceFluffy white powder
SiO₂ Content≥99.8%
BET Surface Area160–200 m²/g
Carbon Content1.7%
pH Value (4% suspension)4.8
Moisture Content<0.5%
Bulk DensityApprox. 50 g/L


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