Amine-catalyzed epoxy curing mercaptan formulated for quick sets at room temperature. GPM-888 can be used as the single curing agent, or as an accelerator for amine or amide chemistries. In addition to low toxicity, GPM-888 has an exceptional low-temperature cure capability and accelerated cure times of three to five minutes.


  • Acceleration of epoxy adhesive cure
  • Consumer repair kits
  • Coatings
  • Civil engineering
  • Industrial adhesives
  • Jewelry and craft adhesive cure
  • Protective coatings

Typical Properties


  • Colorless to slight yellow liquid
  • Odor: Sulfur-like
  • Specific Gravity: 1.13
  • Flash Point: >200 °F
  • Gel Time @ 25°C: 2-4 minutes


  • Color, Gardner: 2 max
  • Color, Amine: No dark pink or red
  • Viscosity at 25°C, cP: 10000-16000 cP