epoxy polyester powder coating 1.good 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
