70/30 Powder Coating Polyester Resin for Low Curing Hybrid Powder Coatings
◎Introduction
HH2762 is a carboxyl polyester resin designed for 70/30 hybrid low temperature curing powder coatings.
The epoxy polyester hybrid powder coating gives full play to the characteristics of epoxy coatings and polyester coatings to the greatest extent, with good corrosion resistance, water resistance and heat resistance, excellent decoration and excellent painting performance. The powder coating is mainly applied to the surface coating of household appliances, metal furniture, instruments, indoor fitness equipment, radiator and other industries.
Main features: good adhesion, flexibility and other mechanical properties; Good chemical resistance and corrosion resistance; It is superior to the heat resistance and light resistance of pure epoxy powder.
◎Basic Features
Outstanding mechanical properties
Good chemical resistance
TMA free
◎Recommend Formulation:
| HH2762 | 014U | TiO2 (R760) | BaSO4 8000 | Leveling | Benzoin | 701 |
| 210 | 90 | 102 | 90 | 4 | 2 | 2.5 |
◎Specifications I
| Appearance | White or Light Yellow Transparent Flakes |
| Color (50%DMF) | max:3 |
| Acid Number (mgKOH/g) | 29～35 |
| Softening Point (℃) | 98～103 |
| Glass Transition Temp. ( ℃) | ~ 53 |
| Melting Viscosity (ICI, mPa·s/200℃) | 3500~5500 |
| Reactivity at 180℃ (s, 6% TGIC) | 70～150 |
| Curing Requirement | 160℃×10~15min |
| Packaging | PE Bags, Net Weight 25kg ± 0.1kg / bag |
◇Specifications II:
| 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) | 70~160 |
| Horizontal Flow (180℃, mm) | 20~24 |
| 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), 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!
We have gained ISO9001 and ISO14000, ISO18001, RoHS, UL certification and QUALICOAT Certificate. Due to the excellent and stable quality, our products always enjoy high reputation at home and oversea, and were sold to more than 30 countries.
Polyester resin branch was founded in 2000, now there are two factories (DongGuan factory and TaiXing Factory) with annual production capacity over 80,000 tons, and the annual production capacity reached 120000 tons by the end of 2020, opening the road to global diversified development. Our clients include many top-tier powder manufacturers in the world such as AKZO, PPG, TIGER, PROTECH, NIPPON, OXYPLAST, JOTUN, SHERWIN, VALSPAR, SINTERPLAST, etc.
We unremittingly stick at the business principle of “Quality is the life, adhere to first-class technology, first-class quality, first-class cost and first-class brand”. We would like to provide a complete set of services and solutions for both domestic and abroad customers and would like to go forward to brilliant future with you together.
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