polyester powder coating

polyester powder coating 1.good smoothness 2.good coated of angle margin 3.good adhesion, need not spray base

YICHANG FULL POLYMER TECHNOLOGY CO., LTD

Pure polyester powder coating

General introduction

      Preparation by polyester resin and low molecular curing agent, usually considered as weatherability powder coating. Mainly used for air condition, park appliances, furniture, outdoor lamp, leather making machine, agricultural machinery etc.

Products series

      Glossy(80%above), half glossy(50-80%), flat(20-50%), matte(20%below)

Powder physical properties

      Specific gravity 1.4-1.7

      Particle size distribution 100%<100m

      Liquidity 120-140

      Curing condition 200°C*10min

                              

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		100C/24h(white)			E<0.3-0.4
Weatherability	Florida Sun	ISO2810	Facing south 45  12months		Gloss retention>50%
	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

good smoothnessgood coated of angle margingood adhesion, need not spray baseexcellent weatherability, no losing light, color changinggood chemical and solvent resistancegood physical mechanical properties, but not as epoxy polyesteranti-yellowing good than epoxy polyesterwide range of coating color

polyester powder coating