简述：Curing agent T-1530 is a Polyurethane adduct used in combination with different hydroxyl functional resins, Due to the Caprclactam blocked NCO-groups,it possesses the properties of excellent weathering ability, excellent flow, good storage stability and good mechanical properties. The coatings film has shinning surface.
Technical Data Sheet of T-1530
1.DescriptionT-1530 is a Polyurethane adduct used in combination with different hydroxyl functional resins, Due to the Caprclactam blocked NCO-groups,it possesses the properties of excellent weathering ability, excellent flow, good storage stability and good mechanical properties. The coatings film has shinning surface.
2.Product Properties:
| Appearance | Pale granules |
| NCO-equivalant（g/mol） | 275-285 |
| NCO-content(free) | <1% |
| Softening point（GB9284-88 ℃） | 96-106 |
| Glass transition Temp(℃)ASTM/D3418-82 | 40-56 |
| Ingredients | By weight.g |
| TS6666（Hydroxyl Value is 40 mgKOH/g） | 500 |
| TS280 | 100 |
| TiO2(RCL575)+BaSO4 | 360 |
| PV588 | 10 |
| Benzoin | 4 |
Extruder: SFJ-35D; Casing Temp.: 95-120℃;
Screw Temp.: 80℃; R.P.M.: 70.
5.Curing condition(metal temperature):
200℃/12-15 minutes
6.Typical Properties Of Coatings Film (film thickness 60um):
| Impact (direct, reverse) | 50kg·cm |
| Pencil hardness | 1H-2H |
| Gloss(60°) | ≥90% |
| Bending(φ2mm) | Pass |
| Storage test (40℃ 24 hours) | Good |
| Gloss Keeping at Weathering test⑨ (QUVB313 240 hours) |
≥80% ≤Band two |