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Polyester Powder Coating
1.Outstanding durability
2.UV resistance properties
3.Good resistance to discoloration and yellowing
Products series
Physical property
Specific gravity: 1.4~1.8g/cm3 (varied with different color and gloss)
Particle size: average 10~38um, proportion 10~84um > 90%, it can be adjusted if special requirement is put forward to us in advance.
Curing temperature
Standard type: 190°c/15 minutes
Or 160°c/20 minutes, 200°c/10 minutes if customer require
Pre-treatment
The overall quality of the coating system is largely dependent on the type and quality of the pre-treatment. The recommended types of pre-treatment for the most frequently used substrates are:
Aluminium | Chromate conversion |
Steel | Zinc phosphate |
Zinc coated steel | Zinc phosphate or chromate conversion |
Coating method
Electrostatic spray gun
Tribo gun
Electrostatic Fluidized bed
Fluidized bed
Film performance
Test Item | Test standard and Method
| Test index | |
Impact resistance | GB/T 1732 -1993 | ISO6272 | 50kg·cm |
Adhension(cross-cut) | GB/T 9286 - 1998 | ISO2409 | Class 0 |
Flexibility | GB/T 6742-1986 | ISO1519 | 2mm |
Pencil hardness | GB/T 6739-1996 | ISO2815 | 1H-2H |
Cupping test | GB/T 9753-1988 | ISO1520 | 6mm |
Salt spray resistance | GB/T 1771-1991 | ISO7253 | >400 Hours |
Heat & humidity resistance | GB/T 1740-1979 | ISO6270 | >500 Hours,film gloss slightly lose |
Note: 1. Above test are using 0.30mm thickness degreased, rust removed cold rolling steel plate, film thickness is 60-80um. 2. Film performance may slightly decrease with gloss decrease. | |||
Package
Carton packing with liner of double polyethylene bags, Net weight 20kg each.
Storage and shippment
The product must be stored in ventilated, dry and clean room with temperature below 25°c Keep it away from fire, heat,and direct sunlight. Outdoor stacking is prohibited. Avoid rains and exposure to sunshine during shipment. The period of validity is 6 month under above condition. Expired products can not be used unless re-testing result meets the utilization standards.
Health and safety
There are no hazardous ingredients contained. Wearing anti-dust mask and goggles to avoid inhalation of dust. Try best to avoid longtime contact with powder. The coating adhesive to the skin can be washed with soap.
TGIC Free Polyester Powder Coating - Less Waste And Pollution To The Environment, Reduced Risk To Health.




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