Blended Polyester Resin for Outdoor Low Gloss Powder Coatings

• CAS No.: 25135-73-3
• Formula: /
• EINECS: /
• Molecular Principal Chain: High-Molecular Polymer
• Color: White
• Ratio: 90/10 & 96/4
• Model NO.: NH8901 & NH8605
• Type: Dry-Blended Tgic Polyester Resins
• Acid Value (Mgkoh/G): 54-64 and 17-23
• Transport Package: 25kg/Bag
• Trademark: KINTE
• Origin: China
• HS Code: 3907999000
• Production Capacity: 80000 Tons Per Year

Product Description

Blended Polyester Resin Low Gloss for Outdoor Semi-gloss Powder Coatings
NH8901 and NH8605 are high and low acid value polyester resins respectively, which are used in polyester/TGIC powder coating system. Using NH8901 and NH8605 to make powder respectively and then dry mixing can make outdoor semi-gloss powder coating.
Compared with other types of powder coatings, polyester resin powder coatings have unique properties, which are embodied in better weather resistance and UV resistance than epoxy resins. In addition, because polyester resin has polar groups, the powder rate is higher than that of epoxy resin, it is not easy to yellow during the baking process, and has high gloss, good leveling, full paint film, light color and other characteristics. Very decorative. Generally used in refrigerators, washing machines, vacuum cleaners, instrument housings, bicycles, furniture and other fields. The coating of powder coating can be divided into high gloss, semi-gloss, low gloss and matt according to the gloss, among which high gloss products occupy a larger proportion. However, with the increasing application and popularization of high-gloss products, light pollution is caused. As a result, the demand for low-gloss coatings has gradually increased.
Resin is an indispensable ingredient in coatings, so we can achieve low gloss by mixing resins with different reactivity to make the coating film shrink unevenly and produce micro-roughness. This method can avoid the use of matting agents and reduce the cost of coatings.


Basic Features
Excellent leveling and weathering resistance
Excellent mechanical properties
Low gloss


Recommend Formulation:   

Formulation	NH8901	NH8605	TGIC	TiO2	BaSO4	PV-88	Benzoin
I	270	-	30	75	125	3	1.5
II	-	288	12	75	125	3	1.5

Specifications:

Items	NH8901	NH8605
Appearance	Pale yellow flake	Pale yellow flake
Acid Number (mgKOH/g)	54~64	17~23
Softening Point (ºC)	105~115	103~113
Glass Transition Temp. (ºC)	~67	~60
Melting Viscosity (ICI, mPa·s)	3800-5000	4500-6500
Reactivity s (180ºC, 10,5% TGIC)	30-130	500-900
Curing Requirement	200ºC×10min
Packaging	PE Bags, Net Weight 25kg ± 0.1kg / bag

Specifications II:

Extrusion Condition	Two-screw Extruder	110~120ºC
	Speed of Revolution	500~1200rpm
	Fineness of Powder	<100μm
	Extrude NH8901 and NH8605 respectively according to the formula, and mix and pulverize in a ratio of 1:1 to make powder.
Application Condition	Electrostatic Spraying With	40~70KV
	Coating Film Thickness	50~70μm
	Degreased Cold-rolled Steel	0.5mm
Film Properties	Gloss (60°)	≤25%
	Bending (φ2mm)	Pass
	Adhesive (1mm, grade)	0
	Pencil Hardness	≥2H
	Impact (50cm)	Pass

More Code

Code	Ratio	Cure Cycle	Acid Value (mgKOH/g)	Viscosity (mPa.s/200ºC)	Tg (ºC)	Reactivity (s/180ºC)	Properties
NH8003	90/10	200ºC*10min	48~54	4000~6000	~68	60-120	Dry-blended for low gloss powder coatings, suitable for heat transfer print powder coatings with good outdoor durability and excellent mechanical properties.
NH8606	96/4	200ºC*10min	20~25	8000~10000	~60	280-400
NH8901	90/10	200ºC*10min	54~64	3800~5500	~67	30-130	Dry-blended for outdoor semi-gloss powder coatings with excellent mechanical properties, excellent leveling and weathering resistance.
NH8507	96/4	200ºC*10min	17~23	4500~6500	~60	500-900

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.