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Polyurethane powder coating series

Introduction:Made of hydroxy polyester resin and isocyanate curing agent as the main raw materi

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Content

Introduction:

Made of hydroxy polyester resin and isocyanate curing agent as the main raw materials.

Features:

–Good adhesion, good mechanical properties

—Full and smooth coating, high hardness

—Excellent weather resistance

—Excellent chemical resistance

Application:

Suitable for decoration and protection of a variety of outdoor products: such as household appliances, architectural aluminum profiles, transportation facilities, garden facilities, etc.

Product series:

—Can be made into a variety of gloss and colorful colors, the specific gloss color is subject to user requirements

Application parameters:

Curing time: 200℃×10–15 minutes

Spraying method: High-voltage electrostatic spraying 60-80 KV

Recommended film thickness: 60-80 um

Performance CategoryPerformance ParameterPossible SpecificationTest Method
Physical PropertiesPencil Hardness1H – 3HASTM D3363

Impact Resistance≥50 kg·cmGB/T 1732

Flexibility≤2mmGB/T 6742

Adhesion0 – 2 gradeISO 2409

Cupping Depth≥6 mm (or ≥7 mm in some cases)GB/T 9753

Gloss LevelAdjustable (matte, semi-gloss, high-gloss)

Particle Size DistributionAverage particle size: 34-45μm; <15μm: <7.5%; >85μm: <0.5%
Chemical PropertiesSalt Spray Resistance≥500 hours, ≥Grade 9GB/T 1771

Humidity Resistance≥1000 hours, slight loss of glossGB/T 1740

Weather Resistance (QUV-B313)≥240h (some products may last longer)GB/T 1865

Chemical Resistance (5% H₂SO₄)240 hours, no change

Chemical Resistance (5% NaOH)168 hours, slight loss of light
Environmental ComplianceRoHS ComplianceFree from arsenic, selenium, lead, hexavalent chromium, mercury, antimony, cadmium, and other heavy non-ferrous metalsRoHS Directive

The above tests all use 0.8mm degreased and rusted cold-rolled steel plates, the coating thickness is 60-80um, and the performance indicators of the coating will vary slightly with the gloss.

This product does not contain arsenic, selenium, lead, hexavalent chromium, mercury, antimony, cadmium, and other heavy metals, and complies with RoHS requirements.

Storage conditions: Store in a dry, ventilated room at around 25°C, avoid direct sunlight. Under this condition, the powder can be stored for 6-12 months. If it exceeds the expiration date, it can be re-tested. If the results meet the requirements, it can still be used.

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Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.


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