FUMED SILICA.tech
SEMITECH · SILICA & MATTING

SEMISIL M260 (AEROSIL® R 812 equivalent)

Highest HMDS-grade BET. BET 230–290 m²/g.

BET: 230–290 m²/gpH: 2.0–3.0SiO₂ ≥ 99.8%CAS 112945-52-5

Typical Applications

AdhesivesSealantsCoatingsCosmetics

SEMISIL M260 (equivalent to AEROSIL® R 812) is a high-performance hmds (hexamethyldisilazane) treated fumed silica manufactured by SEMITECH. Highest HMDS-grade BET. With a BET surface area of 230–290 m²/g, SEMISIL R812 delivers precise rheology control and reinforcement across demanding industrial formulations.

Quick Profile

  • Surface Area (BET): 230–290 m²/g
  • Surface Treatment: HMDS (Hexamethyldisilazane) treated
  • Carbon Content: 2.0–3.0%
  • pH (4% dispersion): 2.0–3.0
  • Composition: SiO₂ ≥ 99.8%
  • CAS Number: 112945-52-5
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Industries & Applications

- Adhesives - Sealants - Coatings - Cosmetics

  • Adhesives
  • Sealants
  • Coatings
  • Cosmetics
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Why Choose SEMISIL R812

- Factory-direct pricing — 20–40% cost advantage vs. European manufacturers - Consistent quality — ISO 9001 certified,…

  • Factory-direct pricing — 20–40% cost advantage vs. European manufacturers
  • Consistent quality — ISO 9001 certified, full CoA with every shipment
  • Technical support — formulation assistance and application testing
  • Flexible supply — from 25 kg sample drums to 20-ton container loads, 2–4 week lead time

Request a Sample or Quote

Free 1 kg sample for qualified buyers. Factory-direct pricing. 48h dispatch from Anhui R&D center.

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