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

Solvay AERO NP8 Promoter

Solvay AERO NP8 Promoter is a high-performance fumed silica surface-treated with N-phenylaminopropyltrimethoxysilane, designed to enhance adhesion and dispersion in silicone rubber and RTV sealants. Part of Solvay’s AEROXIDE® promoter series, it improves crosslinking efficiency and mechanical properties while ensuring excellent storage stability and processability.
  • solvay aero np8 promoter_0e60df7a
  • solvay aero np8 promoter_0e60df7a

Features Of Solvay AERO NP8 Promoter

  1. Enhances interfacial adhesion between inorganic fillers and organic polymer matrices.

  2. Improves mechanical properties such as tensile strength and impact resistance in filled composites.

  3. Offers excellent hydrolytic stability under ambient processing conditions.

  4. Compatible with a broad range of thermosets including epoxies, phenolics, and unsaturated polyesters.

  5. Enables reduced filler loading while maintaining target performance—supporting lightweighting and cost efficiency.

Typical Applications Of Solvay AERO NP8 Promoter

  1. Fiber-reinforced polymer (FRP) composites for automotive structural components.

  2. High-performance epoxy encapsulants and underfills in electronics packaging.

  3. Mineral-filled thermoset molding compounds for electrical insulation parts.

  4. Advanced adhesive formulations requiring durable filler–resin bonding.

  5. Wind turbine blade resins with silica or calcium carbonate fillers.

Specifications Of Solvay AERO NP8 Promoter

Chemical TypeAminosilane coupling agent
Product FormClear to pale yellow liquid
AppearanceHomogeneous, low-viscosity liquid
Primary ApplicationsFiller surface treatment in thermosets and adhesives
Key FeaturesBifunctional: reactive amine + hydrolysable alkoxy silane groups
BenefitsImproved wetting, dispersion stability, and composite durability
Storage ConditionsStore in sealed containers at 5–30 °C; protect from moisture
Shelf Life12 months from date of manufacture when stored properly


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