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

Croda Priamine 1075 Epoxy Toughener

Croda Priamine 1075 Epoxy Toughener is a polyetheramine-based reactive toughener from Croda’s Priamine series, designed to enhance impact resistance and flexibility in epoxy resins without sacrificing thermal stability or chemical resistance. It enables low-viscosity processing and improves interlaminar shear strength in composites and structural adhesives.
  • croda priamine 1075 epoxy toughener_dde461fc
  • croda priamine 1075 epoxy toughener_dde461fc

Features Of Croda Priamine 1075 Epoxy Toughener

  1. Highly effective amidoamine-based toughener for epoxy resins, delivering significant improvement in impact resistance and fracture toughness.

  2. Enables room-temperature or elevated-temperature curing with standard epoxy hardeners without compromising pot life.

  3. Improves flexibility and elongation at break while maintaining high glass transition temperature (Tg) and thermal stability.

  4. Low volatility and low odor profile, supporting safer handling and improved workplace compliance.

  5. Excellent compatibility with bisphenol-A, bisphenol-F, and novolac epoxy resins across a broad formulation range.

Typical Applications Of Croda Priamine 1075 Epoxy Toughener

  1. Aerospace composite matrices requiring damage tolerance and fatigue resistance.

  2. High-performance structural adhesives for automotive and transportation bonding.

  3. Electrical encapsulation and potting compounds demanding crack resistance under thermal cycling.

  4. Wind turbine blade adhesive joints and matrix systems exposed to dynamic mechanical loads.

  5. Industrial tooling and mold-making epoxies where dimensional stability and toughness are critical.

Specifications Of Croda Priamine 1075 Epoxy Toughener

Chemical TypeAmidoamine (dimer acid-based)
Product FormAmber viscous liquid
AppearanceClear to slightly hazy, homogeneous liquid
Primary ApplicationsEpoxy resin toughening agent
Key FeaturesRoom-temperature reactive, non-volatile, low odor
BenefitsEnhanced impact strength, reduced brittleness, improved peel adhesion
Storage StabilityStable for ≥12 months at 15–25°C in sealed containers
Handling GuidanceCompatible with standard PPE; avoid prolonged skin contact


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