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

Modified Aromatic Amine Curing Agent WK-6827-2

WK-6827-2 is a modified aromatic amine curing agent from Wankang’s WK series, engineered for high-performance epoxy resin systems. It delivers rapid cure at ambient temperature, excellent chemical resistance, low viscosity, and superior adhesion to metals and composites—ideal for coatings, adhesives, and composites in demanding industrial applications.
  • modified aromatic amine curing agent wk 6827 2_4c872640
  • modified aromatic amine curing agent wk 6827 2_4c872640

Features Of Modified Aromatic Amine Curing Agent WK-6827-2

  1. Enhanced thermal stability for high-performance epoxy systems operating up to 180 °C continuous service.

  2. Low viscosity (250–400 mPa·s at 25 °C) enabling excellent flow, wetting, and filler dispersion in formulated resins.

  3. Reduced volatility and amine odor compared to conventional aromatic amines, improving workplace handling safety.

  4. Balanced reactivity—faster than DDM yet controllable pot life (>4 hours at 25 °C with standard DGEBA epoxy).

  5. Excellent adhesion to carbon fiber, glass fiber, and metallic substrates without additional primers.

Typical Applications Of Modified Aromatic Amine Curing Agent WK-6827-2

  1. Aerospace composite tooling and structural components requiring elevated Tg and dimensional stability.

  2. High-voltage electrical insulation systems, including castings and encapsulants for transformers and bushings.

  3. Wind turbine blade root joints and spar cap bonding where fatigue resistance and thermal cycling performance are critical.

  4. Automotive under-hood composites exposed to sustained thermal and chemical stress.

  5. Industrial flooring and heavy-duty protective coatings demanding rapid strength build and chemical resistance.

Specifications Of Modified Aromatic Amine Curing Agent WK-6827-2

Chemical TypeModified aromatic diamine
Product FormLiquid
AppearanceClear to pale amber viscous liquid
Primary ApplicationsEpoxy resin curing agent for high-performance composites and coatings
Key FeaturesLow volatility, high Tg capability, improved compatibility with bisphenol-A and novolac epoxies
BenefitsExtended working time, reduced post-cure requirements, enhanced interlaminar shear strength
Storage Stability12 months unopened at 15–25 °C; protect from moisture and direct sunlight
Handling PrecautionsUse in well-ventilated areas; wear nitrile gloves and eye protection per SDS guidelines


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