FUMED SILICA.tech
SEMITECH · SILICA & MATTING

SEMISIL 90 (AEROSIL® 90 equivalent)

BET 75–105 m²/g.

BET: 75–105 m²/gpH: 3.7–4.7SiO₂ ≥ 99.8%CAS 112945-52-5

Typical Applications

Silicone rubberRTV sealantsCable gels

SEMISIL 90 (equivalent to AEROSIL® 90) is a high-performance hydrophilic fumed silica manufactured by SEMITECH. With a BET surface area of 75–105 m²/g, SEMISIL 90 delivers precise rheology control and reinforcement across demanding industrial formulations.

Quick Profile

  • Surface Area (BET): 75–105 m²/g
  • Primary Particle Size: ~20 nm
  • Tamped Density: ~80 g/L
  • pH (4% dispersion): 3.7–4.7
  • Composition: SiO₂ ≥ 99.8%
  • CAS Number: 112945-52-5
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Industries & Applications

- Silicone rubber - RTV sealants - Cable gels

  • Silicone rubber
  • RTV sealants
  • Cable gels
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Why Choose SEMISIL 90

- 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

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

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