50/50 Hybrid Polyester Resin for Fast Cure Powder Coatings
◎Introduction
HH2586 is a carboxyl terminated saturated polyester resin, which is mainly used in
50/50 hybrid powder coating system.
Powder coating is widely used for coating various boxes, workpieces and various anti-theft doors, especially for those made of metal plates. However, most of the existing powder coatings are not bending resistant powder coatings. When these workpieces are necessary to punch 90° ~ 180° after spraying, the powder coating film will crack when the workpiece thickness reaches 60μm.
HH2586 has good bending resistance, which can solve the above problems.
◎Basic Features
Fast reactivity
The cured coating has excellent mechanical properties
Good solvent resistance, bending resistance and surface hardness
Good anti sagging performance
◎Recommend Formulation:
| HH2586 | E-12 | Filler | Leveling agent | Benzoin | 701 |
| 300 | 300 | 383 | 8 | 4 | 5 |
◎Specifications I
| Appearance | White or Light Yellow Transparent Flakes |
| Acid Number (mgKOH/g) | 69～80 |
| Softening Point (℃) | 95～110 |
| Glass Transition Temp. ( ℃) | ~ 59 |
| Melting Viscosity (ICI, mPa·s/200℃) | 5000~8500 |
| Reactivity at 180℃ (s, 50% E-12) | 120~200 |
| Curing Requirement | 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) | 100~200 |
| Horizontal Flow (180℃, mm) | 24~27 |
| Gloss (60°) | ≥90% |
| Bending(φ1mm) | Pass |
| Adhesive (1mm, grade) | 0 |
| Pencil Hardness | ≥1H |
| Impact (50cm) | Pass |
◇More Code
| Code | Ratio | Cure Cycle | AV (mgKOH/g) | Viscosity (mPa.s/200℃) | Tg (℃) | Reactivity (s/180℃) | Properties |
| HH2582 | 50/50 | 180℃*15min | 67~75 | 2000~3000 | ~59 | 150-250 | Good flow and heat resistance, high gloss, excellent chemical resistance. Suitable for metallic powder coatings. |
| HH2583 | 50/50 | 180℃*15min | 67~75 | 3500~5500 | ~55 | 150-250 | Suitable for low gloss powder coatings. Good flow and film fineness, excellent mechanical properties. |
| HH2585 | 50/50 | 180℃*15min | 67~75 | 2000~3500 | ~57 | 100-200 | Economic resin. Suitable for heat transfer print powder coatings with good mechanical properties. |
| HH2586 | 50/50 | 180℃*15min | 68~80 | 5000~8500 | ~60 | 120-200 | Fast cure, excellent flexibility and impact resistance. |
◇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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