Low Cure Haa Polyester Resin for Primid Powder Coatings

• CAS No.: 25135-73-3
• Formula: /
• EINECS: /
• Molecular Principal Chain: High-Molecular Polymer
• Color: White
• Ratio: 93/7
• Model NO.: NH6343
• Type: Polyester/Haa Type
• Acid Value (Mgkoh/G): 49-55
• Transport Package: 25kg/Bag
• Trademark: KINTE
• Origin: China
• HS Code: 3907999000
• Production Capacity: 80000 Tons Per Year

Product Description

93/7 Low Cure Saturated HAA Polyester Resin for Primid Powder Coatings System
NH6343 is a saturated polyester resin, mainly used in low curing polyester/HAA (primid) powder coating systems.
Although powder coatings have the four "E" advantages of economy, environmental protection, high efficiency, and superior performance, they also have obvious weaknesses. The general curing temperature of powder coatings is between 180-200°C. High curing temperature leads to increased energy consumption and hinders the coating of some substrates such as plastics and wood that cannot withstand high temperatures, which significantly affects the expansion of powder coatings application fields.
If the curing temperature can be reduced, the energy consumption can be reduced, which is the need for environmental protection, energy saving, and emission reduction; at the same time, it also breaks the limitations of metal substrates and expands the application field of powder coatings. Therefore, the realization of low-temperature curing of powder coatings has become one of the development directions of the powder coatings industry.


Basic Features
Suitable for low temperature curing
Good mechanical properties and weather resistance


Recommend Formulation:   

NH6343	T-105	Filler & pigment	Leveling agent	Benzoin	701	703
558	42	380	10	3	3	4

Specifications:

Appearance	White or Light Yellow Transparent Flakes
Acid Number (mgKOH/g)	49~55
Softening Point (ºC)	101~111
Glass Transition Temp. ( ºC)	~55
Melting Viscosity (ICI, mPa·s/200ºC)	4500±1000
Reactivity at 180ºC (s, 7% T-105)	130±30
Curing Requirement	140ºC×20-25min
Packaging	PE Bags, Net Weight 25kg ± 0.1kg / bag

Specifications II:

Extrusion Condition	Two-screw Extruder
	Jacket Temperature	110~120ºC
	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 (180ºC, sec)	90~150
	Horizontal Flow (180ºC, mm)	22~25
	Gloss (60°)	≥85%
	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/200ºC)	Tg (ºC)	Reactivity (s/180ºC)	Properties
NH6353	93/7	150ºC*15min	49~55	3500~5500	~55	100-160	For low bake powder coatings with good outdoor durability, good flow and excellent mechanical properties.
NH6361	93/7	160ºC*10min	48~53	2300~3700	~55	50-110	For low bake powder coatings with high crosslinking density and good mechanical properties.

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 Certificates. Due to the excellent and stable quality, our products always enjoy a high reputation at home and overseas, and were sold to more than 30 countries.

The polyester resin branch was founded in 2000, now there are two factories (DongGuan factory and TaiXing Factory) with an annual production capacity of 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 to 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 a brilliant future with you together.