epoxy polyester powder coating

epoxy polyester powder coating 1good adhesion 2wide range of configuration 3fine water, salty water, acid, alkali resistance

Yichang Full Polymer Technology Co., Ltd

Epoxy polyester powder coating

General introduction

      Main raw material is epoxy resin and polyester resin, have epoxy resin’s toughness and polyester resin’s properties, extremely good flwability, decorative, machinery and strong corrosion resistance, widely used for coating outdoor metal products

Product series

      Standard and low temperature cured powder coating products. Glossy(80%above), half glossy(50-80%), flat(20-50%), matte(20%below), according to the customer’s demand to control luster.

Powder physical properties

      Specific gravity 1.3-1.7

      Particle size distribution 100%<150m

      Liquidity 120-140

      Curing condition Standard 180°C*15min

                            Low temperature curing 160°C*15min

Coating properties

Test Item	Test Standard or Method		Test Index
			Glossy	half/flat	matte
Impact resistance	ISO6272	GB/T1732-1993	50cm	40cm	40cm
Cup drawing test	ISO1520	GB/T9753-1988	8cm	7cm	7cm
Adhesive force	ISO2409	GB/T9286-1996	0level
curve	ISO1519	GB/T6742-1986	2mm	3cm	3mm
Pencil hardness	ASTMD3363	GB/T6739-1796	H-2H
Salt spray test	ISO7253	GB/T1771-1991	>500h
Tepid test	ISO6270	GB/T1740-1979	>1000h
Heat resistance	150C/24h(white)		E<0.3-0.4
Quv	60°C/8huv+50°C/4hcondensing cycle500h		Gloss retention>50% color stability E<3.5
note	1,0.8mm derusting,cold rolled iron plate,film thickness 50-70mm.2,coating performance might be changes with the color and luster

Powder merit and demerit

1. good liquidity, excellent flatness

2. tough coating, good flexible

3. good adhersion, impact resistance

4. fine electrostatic spray, can thin coating

5. heat resistance, fine anti-yellowing

6. poor weatherability, pulverization for long-term ourdoor insolate

7. average coverage 9-12m/kg, coating thickness 60m 

epoxy polyester powder coating