Polyurethane Powder Coating Series - China

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 Category Performance Parameter Possible Specification Test Method

Physical Properties Pencil Hardness 1H – 3H ASTM D3363 Impact Resistance ≥50 kg·cm GB/T 1732 Flexibility ≤2mm GB/T 6742 Adhesion 0 – 2 grade ISO 2409 Cupping Depth ≥6 mm (or ≥7 mm in some cases) GB/T 9753 Gloss Level Adjustable (matte, semi-gloss, high-gloss) – Particle Size Distribution Average particle size: 34-45μm; <15μm: <7.5%; >85μm: <0.5% –

Chemical Properties Salt Spray Resistance ≥500 hours, ≥Grade 9 GB/T 1771 Humidity Resistance ≥1000 hours, slight loss of gloss GB/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 Compliance RoHS Compliance Free from arsenic, selenium, lead, hexavalent chromium, mercury, antimony, cadmium, and other heavy non-ferrous metals RoHS 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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Company Contact:

• Posted By: Standard International Group (HK) Limited

• Phone: +86-21-64208466-808

• Address: Floor 2, #47 Building, 280 Jiugan Road, Songjiang district, Shanghai, China, Shanghai , Shanghai , China

• Email:

• Website: https://moutainchem.com/

• Business Description: Standard International Group (HK) Limited was founded in 2003 - Over years, Standard Group has established long-term strategic cooperative relations with many well-known industrial chemical manufacturers, such as Sherwin-Williams, LANXESS, Evonik, Covestro, Elementis and so on, thus ensuring that customers can receive consistent high-quality services.
  
  Years of professional accumulation make us not only provide high-quality industrial coating additives, but also medicine Pharmaceutical Intermediates and electronic chemistry.
  
  From the painting plant laboratory first sample testing, middle-testing and final-testing, we adhere to the professional, sincere, enthusiastic and efficient service concept, our technical team always adjust the sample during different testing process until it performs perfect chemical reaction at customer’s paints.