Economic HAA Polyester Resin with Excellent Anti-interference Performance
◎Introduction
NH0308 is a saturated polyester resin, which is used in polyester / TGIC powder coating system and polyester / HAA powder coating system.
It features excellent anti-interference performance, o when switching between different systems, there will be no problems such as incompatible shrinkage holes or loss of light.
◎Basic Features
High cost performance
Excellent storage stability
Outstanding leveling performance
Excellent anti-interference performance
◎Recommend Formulation:
NH0308/TGIC
| NH0308 |
TGIC |
Filler ＆ pigment |
Leveling agent |
Benzoin |
701 |
703 |
| 300 |
22.6 |
190 |
4 |
2 |
2.5 |
/ |
NH0308/HAA
| NH0308 |
T-105 |
Filler ＆ pigment |
Leveling agent |
Benzoin |
701 |
703 |
| 300 |
15.8 |
190 |
4 |
2 |
2 |
2 |
◎Specifications I:
| Appearance |
white or pale yellow transparent flakes |
| Acid Value (mgKOH/g) |
30～36 |
| Softening Point (℃) |
105～115 |
| Glass Transition Temp. (℃) |
～63 |
| Melting Viscosity (200℃, cone/plate, mPa·s) |
3200±1000
|
| Reactivity at 180℃ (s, 7% TGIC) |
200±100 |
|
Reactivity at 180℃ (s, 5% T-105)
|
200±100
|
| Curing Requirement |
200℃×10min (TGIC)
180℃×10min (HAA)
|
| 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 |
60～80μm |
| Degreased Cold-rolled Steel |
0.5mm |
| Film Properties |
Gel Time (180℃, TGIC, sec) |
300~450 |
|
Gel Time (180℃, T-105, sec)
|
150~300
|
| Horizontal Flow (180℃, mm) |
25~30 |
| Gloss (60°) |
≥80% |
| 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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