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.