Polyester Epoxy Resin With Excellent Leveling for 60/40 High Gloss Hybrid Powder Coatings
◎Introduction
HC6040 is a saturated polyester resin, which is mainly used in 60 (polyester) / 40 (epoxy) mixed powder coating system.
Compared with traditional liquid coatings, powder coatings have the characteristics of energy-saving, environmental protection, and excellent comprehensive performance. Whether it is a powder coating raw material manufacturer, especially the main raw material polyester resin factory, or a powder coating manufacturer, it is necessary to test the performance of the powder coating. Among them, the chemical resistance of coatings, as an unconventional property, has an important influence on the protection of plates (substrates) used in highly corrosive environments.
◎Basic Features
Excellent leveling
Good mechanical properties
Outstanding chemical resistance
◎Recommend Formulation:
| HC6040 |
E-12 |
Filler ＆ Pigment |
Leveling agent |
Benzoin |
701 |
| 360 |
240 |
383 |
8 |
4 |
5 |
◎Specifications I:
| Appearance |
White or pale yellow transparent flakes |
| Acid Number (mgKOH/g) |
48～55 |
| Softening Point (℃) |
93～103 |
| Glass Transition Temp. (℃) |
～51 |
| Melting Viscosity (200℃, cone/plate, mPa·s) |
3600±900 |
| Reactivity at 180℃ (s, 40% E-12) |
200±100 |
| Curing Requirement |
200℃×10min or 180℃×15min |
| Packaging |
PE Bags, Net Weight 25kg ± 0.1kg / bag |
◎Specifications II:
| Extrusion Condition |
Two-screw Extruder |
| Jacket temperature |
110～120℃ |
| Speed of Revolution |
500～1200rpm |
| Fineness of Powder |
＜100μm |
| Application Condition |
Electrostatic Spraying With |
40～70KV |
| Coating Film Thickness |
50～70μm |
| Degreased Cold-rolled Steel |
0.5mm |
| Film Properties |
Gel Time (180℃, sec) |
200~300 |
| Horizontal Flow (180℃, mm) |
26~30 |
| Gloss (60°) |
≥90% |
| Bending (φ1mm) |
Pass |
| Adhesive (1mm, grade) |
0 |
| Pencil Hardness |
≥1H |
| Impact (50cm) |
Pass |
◎Remarks:
All the polyester resins could be customized to Non-tin (A), anti-gas burners (G), tribo gun (T), and anti-blooming (F).
◎Company Profile:
Kinte Materials Science and Technology Co., Ltd. is subordinate to China Machinery Industry Corporation (a key state-owned enterprise directly managed by SASAC, ranking 284 among the world's top 500 in 2021). It is a national high-tech enterprise under China National Electric Apparatus Research Institute Co., Ltd. (Stock Code: 688128), listed on the SSE STAR MARKET. Focusing on the R & D, production, and sales of environmentally friendly coatings (powder coatings, waterborne industrial coatings) and powder coating resins, the company is committed to improving the global market competitiveness of China's environmentally friendly coating industry. Now it has become the leader and promoter in China’s technological development of environmentally friendly coatings as well as polyester resins for powder coatings!
In 2017, the new production base with 80000 tons annual capacity was put into construction in Dongguan, Guangdong, and the annual production capacity reached 120000 tons by the end of 2020, opening the road to global diversified development.
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