Name: SEMISIL MX185 (AEROSIL® COK 84 equivalent)
Brand: SEMITECH

Typical Applications

Thickening aqueous systemsFree-flow powder coatingsCatalyst supportGreases

SEMISIL MX185 (equivalent to AEROSIL® COK 84) is a high-performance hydrophilic fumed silica manufactured by SEMITECH. 84% SiO₂ + 16% Al₂O₃ blend. With a BET surface area of 155–215 m²/g, SEMISIL COK84 delivers precise rheology control and reinforcement across demanding industrial formulations.

Quick Profile

Surface Area (BET): 155–215 m²/g
pH (4% dispersion): 3.6–4.3
Composition: SiO₂ ≥ 99.8%
CAS Number: 112945-52-5

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Industries & Applications

- Thickening aqueous systems - Free-flow powder coatings - Catalyst support - Greases

Thickening aqueous systems
Free-flow powder coatings
Catalyst support
Greases

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Why Choose SEMISIL COK84

- 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.