Often used in lower temperatures, West System's 205 Fast Hardener a medium-viscosity epoxy curing agent that is often used to produce a rapid cure that develops its physical properties quickly at room temperature.
When used with West System's 105 Resin in a five part resin to one part hardener ratio, the cured resin/hardener mixture yields a high-strength, rigid solid which has excellent cohesive properties and provides an outstanding moisture vapour barrier, with excellent bonding & coating properties.
Project Uses:
Barrier coating.
Boat repair.
Bonding.
Fabrication.
Marine.
Specifications:
Pot Life (100g cupful) at 25C: 9-12 minutes.
Working Time (thin film) at 25C: 60-70 minutes.
Cure to a solid, thin film: 6-8 hours.
Cure to working strength: 1-4 days.
Minimum recommended temperature: 4C.
Epoxy cures faster at higher temperatures and in thicker applications.