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

Wanqing Epoxy Curing Agent T31

Wanqing Epoxy Curing Agent T31 is a modified aliphatic amine hardener renowned for rapid curing at room temperature, excellent adhesion to damp or oily surfaces, low toxicity, and superior chemical resistance—ideal for marine coatings, concrete repair, and industrial maintenance applications under challenging conditions.
  • wanqing epoxy curing agent t31_2296af57
  • wanqing epoxy curing agent t31_2296af57

Features Of Wanqing Epoxy Curing Agent T31

  1. Fast ambient-cure capability at room temperature without external heat input.

  2. Excellent adhesion to diverse substrates including metals, concrete, and composites.

  3. Low viscosity for easy mixing and improved epoxy resin compatibility.

  4. Good chemical resistance against alkalis, solvents, and mild acids after full cure.

  5. Low toxicity profile with no added formaldehyde or heavy-metal catalysts.

Typical Applications Of Wanqing Epoxy Curing Agent T31

  1. Structural adhesive formulations for automotive assembly and repair.

  2. Protective coatings for industrial flooring and concrete surface renovation.

  3. Electrical potting and encapsulation in power electronics and transformers.

  4. Repair mortars and grouts for civil engineering infrastructure maintenance.

  5. Composite matrix systems in wind blade bonding and marine component manufacturing.

Specifications Of Wanqing Epoxy Curing Agent T31

Chemical TypeAmine-based modified polyamide
Product FormLiquid
AppearanceAmber to light brown transparent liquid
Viscosity (25°C)300–600 mPa·s
Active Hydrogen Equivalent Weight180–210 g/eq
Specific Gravity (25°C)0.98–1.02
pH (10% aqueous solution)10.2–11.0
Shelf Life (unopened, 25°C)12 months


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