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

Evonik AEROXIDE A150 Fumed Silica

Evonik AEROXIDE A150 Fumed Silica is a high-purity, hydrophilic pyrogenic silica with specific surface area ~150 m²/g. Designed for catalysis support, battery electrolytes and advanced coatings, it offers excellent dispersion, thixotropy control and thermal stability. Its consistent particle size, low metal impurities and reproducible performance make it ideal for demanding industrial applications requiring precision and reliability.
  • evonik aeroxide a150 fumed silica_94f68203
  • evonik aeroxide a150 fumed silica_94f68203

Features Of Evonik AEROXIDE A150 Fumed Silica

  1. Highly pure, pyrogenically produced amorphous silica with exceptional surface area and uniform particle morphology.

  2. Optimized for oxidative stability in demanding high-temperature and catalytic applications.

  3. Low metal impurity content, supporting stringent performance requirements in specialty chemical and electronic-grade processes.

  4. Excellent dispersibility in polar and non-polar media due to controlled surface hydrophobicity.

  5. Consistent batch-to-batch reproducibility ensured by Evonik’s certified manufacturing and quality control systems.

Typical Applications Of Evonik AEROXIDE A150 Fumed Silica

  1. Catalyst supports in petrochemical refining and fine chemical synthesis.

  2. Functional filler in high-performance thermal interface materials (TIMs) and heat-dissipating composites.

  3. Reinforcing agent in silicone elastomers requiring enhanced mechanical strength and thermal resilience.

  4. Carrier matrix for active pharmaceutical ingredients (APIs) in controlled-release formulations.

  5. Additive in lithium-ion battery cathode slurries to improve electrode homogeneity and cycle stability.

Specifications Of Evonik AEROXIDE A150 Fumed Silica

Chemical TypeAmorphous fumed silica (SiO₂)
Product FormFree-flowing, dry powder
AppearanceWhite, odorless, non-toxic powder
BET Surface AreaApprox. 150 m²/g
Primary Particle SizeApprox. 12–16 nm
SiO₂ Content (by ICP-OES)≥ 99.8 wt.%
Ignition Loss (1000 °C)≤ 2.5 wt.%
Key FeaturesOxidation-resistant, low alkali metal content, high thermal stability


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