Double coat powder coating display
Double coat powder coating is a specially designed coating designed to solve the common problem of inconsistent new and reapplied powders in the coating process. The coating is suitable for processes that require multiple coats, ensuring consistent appearance and quality standards with each application.
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Briefly

It is formulated with polyester resin and TGIC curing agent as the main base material.

Product features:

(1) Good adhesion, good mechanical properties, tough coating film, and meet high strength requirements.
(2) The coating film is smooth and glossy.
(3) It is suitable for long-term outdoor exposure to product coating, and has good outdoor durability.
(4) Excellent over-baking resistance.

Product range

Standard curing and low-temperature curing are available; It can be made in a variety of glossy and colorful textures:

(1) G series high-gloss (more than 80%), B series semi-gloss (80-20%), W series matte (less than 20%) products. The specific gloss is controlled and adjusted according to customer needs.
(2) In addition, it can be made into different colors and textures with special additives; Such as flat, sand, wrinkled, reticulated, cottoned, hammered, turtle, cracked, dotted, imitation stone pattern, metallic effect (gold/silver), antique and other art texture products.

Physical properties

specific gravity

1.2-1.7g/cm3 (varies depending on formula and color)

Particle size distribution

< 100 microns, which can be adjusted according to construction requirements

curing conditions

180°C (workpiece temperature) for 15-20 minutes; or 200°C (workpiece temperature) for 10 minutes

Average coverage

Under the condition of powder utilization rate of 100% and film thickness of about 80 microns, the powder loading rate reaches 9-12 square meters/kg.

Coating performance

All tests use O.8mm thick oil-degreasing and anti-rust cold-rolled steel plate with a film thickness of 60-80 microns.

Testing itemsDetection methodTest results
Mechanical propertiesPencil hardnessGB/T 6739-2022H-2H
Adhesion (grid method)GB/T 9286-2021O-level
Bending testGB/T 6742-2007≤2mm
Impact testGB/T 1732-2020≥50kg.cm
cup protrusion testGB/T 9753-2007≥7mm
Corrosion resistanceSalt spray testGB/T 1771-2007> 500 hours
Damp-heat testGB/T 1740-2007> 1000 hours
Heat resistance110°C/24 hours (white sample)Excellent light retention and color retention △E ≤0.6
remarkThe performance indicators of the above coatings may be slightly reduced with the reduction of gloss and texture effect.

Product packaging

Carton packing, lined with PVC plastic bags, net weight 25kg or 20kg per carton.

Storage conditions

Store in a dry, ventilated and clean room below 35°C, do not be close to fire sources or heating, avoid direct sunlight, and it is strictly forbidden to stack in the open. Under this condition, the powder can be stored for 12 months, and it can still be used if the results meet the requirements. (Note: For fast-curing type and powder art with a gloss of less than 40%, the storage temperature should be lower than 30°C; The storage period of various powders will be extended due to the low storage ambient temperature)

Hygiene and safety

Powder coating is an environmentally friendly product that does not contain toxic substances and does not produce toxic gases during baking, but should avoid inhaling dust during use, operators should wear dust masks, glasses, and minimize long-term contact between the skin and powder coatings.

use

(1) Household appliances: outdoor units of air conditioners, indoor appliances with high lighting conditions, lamps;

(2) Construction industry applications: colorful curtain walls, door and window frames, ceilings with high lighting conditions;

(3) Transportation facilities: highway guardrails, partitions;

(4) Auto parts, sports facilities, fitness equipment, gas station equipment, and courtyard facilities.

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