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[China]
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Address: 16th Yufeng Road, HuaDu District , Guangzhou,China
Contact name:Yarly ，Carolyn
Kinte Materials Science and Technology Co.,Ltd |
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50/50 Hybrid Polyester Epoxy Resin with Excellent Mechanical Properties
◎Introduction
HH2583G is a saturated polyester resin, mainly used for 50/50 polyester/epoxy hybrid powder coatings systems.
Advantages of powder coating:
1. Powder coatings do not contain organic solvents, which can effectively avoid fire, poisoning, and unsafe transportation caused by organic solvents.
2. There is no air pollution caused by organic solvents, and it meets the requirements for preventing air pollution.
3. The powder coating is a solid system, and a closed-circuit circulation system can be used. The over-sprayed powder coating can be recycled and reused, and the utilization rate of the coating is as high as 95%.
4. The molecular weight of the resin used in the powder coating is larger than that of the solvent-based coating. Hence, the performance and durability of the coating film are much improved compared to the solvent-based coating.
5. When the powder coating is applied, the thickness of the coating film can be controlled, and the thickness of one coating can reach 30-500um, which is equivalent to the thickness of several to a dozen coats of solvent-based coatings, which reduces the number of constructions, which is beneficial to Energy saving increases production efficiency.
6. In the actual construction process, the viscosity of the powder coating does not need to be adjusted with the seasonal changes, the construction operation is convenient, it does not require very skilled operation techniques, and it is not easy to produce sagging and other film defects during thick coating, and it is easy to realize automatic assembly line production.
7. It is easy to maintain the hygiene of the construction environment. The powder adhering to the skin can be blown off with compressed air or washed with warm water and soapy water. No harsh cleaning agent is required to clean it.
8. Powder coating does not need to use solvent, which is an effective energy-saving measure, because the starting material of most solvents is petroleum. This reduces the amount of solvent and directly saves the consumption of raw materials.
◎Basic Features
Good leveling
Excellent mechanical properties
Good storage stability
Excellent chemical resistance
◎Recommend Formulation:
| HH2585G | E12 | Filler ＆ Pigment | Leveling Agent | Benzoin | 701 |
| 300 | 300 | 383 | 8 | 4 | 5 |
◎Specifications I
| Appearance | White or Light Yellow Transparent Flakes |
| Acid Number (mgKOH/g) | 69～76 |
| Softening Point (℃) | 95～110 |
| Glass Transition Temp. ( ℃) | ～59 |
| Melting Viscosity (ICI, mPa·s/200℃) | 2000～3500 |
| Reactivity at 180℃ (s, 50% E-12) | 100～200 |
| Curing Requirement | 180℃/15min |
| Packaging | PE Bags, Net Weight 25kg ± 0.1kg / bag |
◇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) | 100~250 |
| Horizontal Flow (180℃, mm) | 27~30 |
| 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 |
| HH2581 | 50/50 | 180℃*10min | 67~75 | 2000~3500 | ~55 | 100-200 | For fast cure formulation. Excellent flow and good mechanical 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. |
| HH2582A | 50/50 | 180℃/15min or 200℃/10min | 65~75 | 1800~3800 | ~54 | 200-320 | The tin-free version of HH2582A |
| 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.
