Excellent Boiling Resistance 93/7 TGIC Polyester Resin Powder Coatings

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Product Overview

Description



Products Description


Introduction
NH3408 is a saturated polyester resin designed for TGIC powder coating systems. It features outstanding leveling performance, excellent extinction, mechanical and boiling resistance, good storage stability, suitable for matte/high gloss powder coatings.
In today's market, powder coating is a widely used material. Unlike general solvent-based coatings and water-based coatings, powder coatings do not use a solvent as a dispersion medium but rely on air as a dispersion medium. Therefore, pollution is reduced, the environment is improved, and the health of operators is guaranteed.
According to the different gloss levels of powder coatings, there are high-gloss, flat, matte, and low-gloss types. The gloss of high-gloss powder coatings is generally greater than 75GU, while the flat type is between 45GU and 75GU. Between 10GU and 45GU is matte type, and the low-gloss powder coating is below 10GU. In addition, the powder coatings used in different environments are also different. For example, high-gloss powder coatings are mainly used outdoors, are relatively temperature-resistant, and are often used on air conditioners or street lamps; matte powder coatings are mainly used indoors, it’s not harmful to people's eyes.



Basic Features
Outstanding leveling performance

Excellent extinction, mechanical and boiling resistance

Good storage stability

Suitable for matte/high gloss powder coatings


Recommend Formulation
NH3408—TGIC


NH3408
TGIC
Filler & pigment
Leveling agent
Benzoin
701
564
36
383
8
4
5


Specifications I


Appearance
White or light yellow transparent flakes
2Acid Number (mgKOH/g)
27~32
Softening Point (℃)
101~115
Glass Transition Temp. (℃)
~65
Melting Viscosity (ICI, mPa·s/200℃)
6000±1000
Reactivity at 180℃ (s, 6% TGIC)
260±80
Curing Requirement
200℃×10~15min
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
50~70μm
Degreased Cold-rolled Steel
0.5mm
Film Properties
Gel Time (180℃, sec)
260~420
Horizontal Flow (180℃, mm)
25~29
Gloss (60°)
≥85%
Bending (φ1mm)
Pass
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).


Package and Transportation


PE Bags, Net Weight 25kg ± 0.1kg / bag, 875Kg/Pallet, 17,500Kg/20GP
Non-dangerous goods, no special transportation requirements.




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5.0831 s.