Tgic Polyester Resin for High Temperature Resistant Powder Coatings

• Customization: Available
• CAS No.: 25135-73-3
• Formula: /
• Model NO.: NH8303
• EINECS: /
• Molecular Principal Chain: High-Molecular Polymer
• Color: White
• Ratio: 93/7
• Type: Polyester/Tgic Type
• Acid Value (Mgkoh/G): 29-35
• Transport Package: 25kg/Bag
• Trademark: KINTE
• Origin: China
• HS Code: 3907999000
• Production Capacity: 80000 Tons Per Year

Product Description

TGIC Polyester Resin for High Temperature Resistant Powder Coatings

NH8303 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system, suitable for high temperature resistant powder coatings.

Basic Features

Good mechanical properties

Excellent storage stability

Excellent high temperature baking resistance

Recommend Formulation:   

NH8303	TGIC	Filler & Pigment	Leveling agent	Benzoin	701
200	15	140	2.4	1.2	1.2

Specifications:

Appearance	White or pale yellow transparent flakes
Color (50% DMF)	max: 2
Acid Value (mgKOH/g)	29~35
Softening Point (ºC)	110~120
Glass Transition Temp. (ºC)	~70
Melting Viscosity (200ºC, cone/plate, mPa·s)	17000±2000
Reactivity at 180ºC (s, 7% TGIC)	60-120
Curing Requirement	200ºC×10-15min
Packaging	PE Bags, Net Weight 25kg ± 0.1kg / bag

Specifications II:

Extrusion Condition	Two-screw Extruder
	Zone I: 90~110ºC	Zone II: 110~120ºC
	Speed of Revolution	500~1200rpm
	Fineness of Powder	<100μm
Application Condition	Electrostatic Spraying With	40~70KV
	Coating Film Thickness	70~90μm
	Degreased Cold-rolled Steel	0.5mm
Film Properties	Gel Time (180ºC, sec)	70~150
	Horizontal Flow (180ºC, mm)	19~23
	Gloss (60°)	≥88%
	Bending (φ1mm)	Pass
	Adhesive (1mm, grade)	0
	Pencil Hardness	≥1H
	Impact (direct, reserve)	Pass 50kg·cm
	Heat resistance (270ºC 2hr)	maintenance gloss: ≥85%
	Heat resistance (300ºC 0.5hr)	maintenance gloss: ≥85%

More Code

Code	Ratio	Cure Cycle	AV (mgKOH/g)	Viscosity (mPa.s/200ºC)	Tg (ºC)	Reactivity (s/180ºC)	Properties
NH8302	93/7	200ºC*10min	30~36	3700~5300	~63	160-260	Outstanding heat resistance and blooming resistance, excellent outdoor durability.
NH8303	93/7	200ºC*10min	29~35	15000~22000	~75	60-120	Outstanding heat resistance, good mechanical properties. It can withstand baking at 300ºC.
NH8305	93/7	200ºC*10min	30~36	4500~7500	~60	90-170	Excellent flexibility, fast cure.
NH8306	93/7	200ºC*10min	30~36	6000~8000	~67	180-250	Excellent boiling water resistance, good outdoor durability.
NH8307	93/7	200ºC*10min	30~36	5500~6500	~68	200-300	Outstanding heat resistance, good mechanical properties and flow, good sand-texture effect.
NH8308	93/7	200ºC*10min	30~36	4600~6600	~68	100-260	High temperature resistance, excellent heat resistance and high temperature flexibility, good leveling.
NH8309	93/7	200ºC*15min	30~36	4000~6000	~64	390-510	Outstanding flow, excellent outdoor durability. Suitable for transparent powder coatings.

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.