Powder Coating Polyester Resins with High Tg for 60/40 Hybrid Powder Coatings
Introduction
HH2687 is a saturated polyester resin, mainly used in 60/40 polyester/epoxy hybrid powder coating system.
Basic Features
Excellent leveling
Excellent mechanical properties
Good storage stability
Excellent chemical resistance
Recommend Formulation:
| HH2686 | E12 | Filler ＆ pigment | Leveling Agent | Benzoin | Leveling additive 701 |
| 360 | 240 | 383 | 8 | 4 | 5 |
Specifications:
| Code | Ratio | Cure cycle | Acid value (mgKOH/g) | Viscosity (mPa.s/200°c) | Tg(°c) | Reactivity (s/180°c) | Properties |
| HH2687 | 60:40 | 200°C/10mins | 51-56 | 3000-5000 | ~60 | 200-300 | High Tg. Excellent flowability, good mechanical property |
Specifications:
| Extrusion Condition | Two-screw Extruder |
| Zone I: 90～110℃ | Zone II: 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) | 250~400 |
| Horizontal Flow (180℃, mm) | 28~32 |
| Gloss (60°) | ≥90% |
| Bending (φ1mm) | Pass |
| Adhesive (1mm, grade) | 0 |
| Pencil Hardness | ≥1H |
| Impact (50cm) | Pass |
◇ Packaging:PE bags, N.W. 25KG±0.1KG / bag
Remarks:all the polyester resins could be customizes 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), a listed enterprise 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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