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

Solvay CYPHOS IL169 Curing Agent

Solvay CYPHOS IL169 Curing Agent is a phosphonium-based ionic liquid from Solvay’s CYPHOS IL series, designed as a high-performance epoxy curing accelerator. It enables low-temperature curing, enhances thermal stability and glass transition temperature (Tg), and offers excellent compatibility with various epoxy resins. Widely used in aerospace composites and advanced electronics encapsulation.
  • solvay cyphos il169 curing agent_eb639a16
  • solvay cyphos il169 curing agent_eb639a16

Features Of Solvay CYPHOS IL169 Curing Agent

  1. High-performance phosphonium-based ionic liquid curing agent for epoxy resins.

  2. Enables rapid, low-temperature curing without volatile organic compounds (VOCs).

  3. Excellent thermal stability and compatibility with standard epoxy systems.

  4. Provides superior electrical insulation properties in cured composites.

  5. Non-hygroscopic formulation ensures consistent handling and shelf-life stability.

Typical Applications Of Solvay CYPHOS IL169 Curing Agent

  1. Electrical insulation materials for high-voltage equipment and transformers.

  2. Encapsulants and potting compounds in power electronics and EV battery modules.

  3. Advanced composites for aerospace structural adhesives and laminates.

  4. Low-VOC industrial coatings requiring fast ambient or mild-heat cure profiles.

Specifications Of Solvay CYPHOS IL169 Curing Agent

Chemical TypeTrihexyl(tetradecyl)phosphonium chloride (ionic liquid)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Density (20 °C)~0.89–0.91 g/cm³
Viscosity (25 °C)~120–180 mPa·s
Decomposition Temperature>220 °C (TGA onset, N₂ atmosphere)
Primary ApplicationsEpoxy resin curing for electrical insulation & advanced composites
Key FeaturesLow volatility, non-corrosive, halogen-free alternative to traditional amine hardeners


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