Name: SEMISIL TN140 (AEROSIL® RX 200 equivalent)
Brand: SEMITECH

Typical Applications

Toner (negative charge)Free-flowDefoamers

SEMISIL TN140 (equivalent to AEROSIL® RX 200) is a high-performance hmds (hexamethyldisilazane) treated fumed silica manufactured by SEMITECH. With a BET surface area of 115–165 m²/g, SEMISIL RX200 delivers precise rheology control and reinforcement across demanding industrial formulations.

Quick Profile

Surface Area (BET): 115–165 m²/g
Surface Treatment: HMDS (Hexamethyldisilazane) treated
Carbon Content: 2.0–3.0%
Composition: SiO₂ ≥ 99.8%
CAS Number: 112945-52-5

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Industries & Applications

- Toner (negative charge) - Free-flow - Defoamers

Toner (negative charge)
Free-flow
Defoamers

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Why Choose SEMISIL RX200

- 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.