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

Tokuyama REOLOSIL MT-10C Hydrophobic Fumed Silica

Tokuyama REOLOSIL MT-10C is a hydrophobic fumed silica imported from Japan, surface-modified with methyltrichlorosilane. It has strong thixotropic thickening, efficient reinforcement and powder flow aid, designed for polar systems, suitable for paints, inks, sealants and LED with good compatibility.

Features Of Tokuyama REOLOSIL MT-10C Hydrophobic Fumed Silica

  1. Strong hydrophobicity & moisture resistance – silane-modified, hydrolysis-resistant and moisture-proof, greatly improve formula storage stability

  2. Strong thixotropic control – quickly form 3D network, prevent sagging and sedimentation, optimize construction leveling

  3. Efficient reinforcement – ultra-fine particles (5-50nm), significantly enhance mechanical strength and wear resistance of silicone rubber

  4. Powder flow aid & anti-caking – improve powder fluidity, prevent caking, and adjust powder charging performance

  5. High purity & easy processing – extremely low metal ions, fluffy powder without agglomeration, easy to add and process

Typical Applications Of Tokuyama REOLOSIL MT-10C Hydrophobic Fumed Silica

  1. Paints & coatings – thickening and thixotropy, prevent pigment sedimentation, improve film uniformity and weatherability

  2. Printing inks – stabilize system and prevent sedimentation, endow good colorability, water resistance 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 long-term stability of electronic devices

  5. Powder materials – flow aid and anti-caking, adjust charging performance, improve processing and storage convenience

Specifications Of Tokuyama REOLOSIL MT-10C Hydrophobic Fumed Silica

Product TypeHydrophobic Fumed Silica
AppearanceFluffy white powder
SiO₂ Content≥99.8%
BET Surface Area80–120 m²/g
Carbon Content3.2%
pH Value (4% suspension)5.5–7.5
Moisture Content<0.5%
Bulk DensityApprox. 50 g/L
Primary Particle SizeApproximately 20 nm
Aluminum Content<20 ppm


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