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GENERAL DE
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 | |||||
PACKAGE AND STORAGE
25kgs per Polyethylene bag,35bags per pallets
In a cool and dry place, the validity is six months in normal atmospheric temperature
