
Company Information
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Contact SupplierWe offer hardener curing agent.
Cas no.936-49-2
general description
hardener tp31 is a curing agent applying for pure epoxy resin and epoxy/polyester hybrid powder coating.and tp31 is a fast hardener equivalent to vestagon b-31.
typical properties
appearance light yellow crystal powder
melting range 90∼101℃
purity ≥99%
curing condition
140℃ 10—15 minutes or 200℃ 3—5 minutes
recommended formulation for application
it is an accelerating agent to cure epoxy resin powder or epoxy/polyester hybrid powder coating.
item I ii
epoxy(663u or e-12) 56 50
polyester(high acidity) ˉ 50
tp31 3.5 0.05-0.3
levelling agent tp88 0.1 0.1
curing condition for the application
titanium white or other filler 40 40
item /i 140℃ 15-20min
160℃ 8-10min
200℃ 3-5min
250℃ 45seconds
item /ii 160℃ 15-20min
170℃ 10-15min
180℃ 5-10min