Polyester powder coating are thermosetting powders based on durable polyester resins. They have excellenet UV resistance and outdoor durability. Polyester are the prefered coatings for architectural segment due to their durability and resistance to aggressive weather conditions.
Main feature
Outstanding weather resistance and chemical resistance
Excellent physical and mechanical property
Good resistance to yellowing
Good edge covering rate
Excellent impact resistance
Application
Aluminium extrusions, aluminium claddings, door frames, window panes, automotive components, garden furnitures, bicycles, modular furniture and sports equipment, playground and recreation equipment, automotive parts, fencing and vending.
Products range
Glossy finish
Semi-glossy finish
Matt finish
Texture finish
Metallic finish
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: 190º C/15 minutes
Or 160º C/20 minutes, 200º 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
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 25º 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.
|
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 |
>400Hours |
|
Heat & humidity resistance |
GB/T 1740-1979 |
ISO6270 |
>500Hours 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. |
Zhangzhou Woncheng Powder Coatings Co., Ltd., is a high-tech professional company specializing in the manufacturing of thermosetting powder coatings since year 2004.
Our products include pure epoxy powder coating, pure polyester powder coating, epoxy/polyester powder coating, art texture powder coating, metallic effect powder coating, transparent powder coating, anti-corrosion powder coating and heat-transfer-printing powder coating etc.
They are widely used in painting construction aluminium profile, reinforcing steel, advertisement board, outdoor lamps, highway guardrail, road fence, outdoor metal furnitures, lamp pile, crust of air conditioner, agricultural equipment, gas cooker, microwave oven, kitchen ventilator, house furnitures, documents cabinets, etc. Because of their waste reusable property, pollution free, safe handling, and provision of durable, attractive, extremely scratch-resistant, high quality finish.
Adhering to the spirit of "pioneering, dedicated, pragmatic, indebted", we have introduced international advanced production equipment and testing facilities, employed an experienced, professional, technical tough, dedicated and career-loving technical team and high demand quality control team to ensure a high quality level of our products.
We will continue to implement the aim of "quality creating value, and assuring customers and winning their lasting trust". We will make efforts to make opening up and innovation to offer best service, and also together with customers to create a better future of "good faith, mutual benefit and win-win".
