Polyurethane powder coating series
Brief introduction: Hydroxyl polyester resin matching isocyanate curing agent is adopted as main raw material.
Characteristics: ---Good adhesive force and excellent mechanical performance
---Smooth and plump coating film and high hardness
---Excellent weatherability
---Excellent chemical resistance
Usage: It is suitable for each decoration and protection of outdoor product such as electrical Appliance, constructive aluminum profiles, transport facilities, courtyard facility etc
Product series: --- Can be made into product with each brilliance and color; specific color and brilliance should be designated by users
Application parameter: Curing time: 200℃×10--15 minutes
Spraying mode: High voltage electrostatic spraying 60-80 KV
Suggested film thickness: 60—80 um
Physical Property:
Item |
Instrument |
Standard |
Testing method |
Pencil hardness |
Pencil hardness instrument |
≥ H |
GB/6739 |
Impact resistance |
Impact tester |
≥ 50 kg.cm |
GB/T 1732 |
Flexing endurance |
Bending instrument |
≤ 2mm |
GB/T 6742 |
Adhesive force |
Cross-Cut tester |
0 grade |
GB/T 9286 |
Bulge |
Bulge instrument |
≥ 6 mm |
GB/T9753 |
Chemical property:
Fog-corrosion retardancy |
≥ 500 Hs |
≥ 9 grade |
GB/T 1771 |
Resistance to heat and humidity |
≥ 1000 Hs |
Slight loss of gloss |
GB/T 1740 |
Weatherability |
Artificial accelerated aging QUV-B313 240h |
≥ 3 grade |
GB/T 1865 |
Above tests adopt 0.8mm deoiling and derusting cold-rolled steel sheets, coating film thickness 60~80um; performance index of coating film will change with brilliance changing.
Requirement of environment protection: the product doesn’t include arsenium, selenium, lead, hexavalent chromium, mercury, stibonium, cadmium and other heavy non-ferrous metals and is in fully conformity with requirement of RoHS environment protection.
Storage condition: at about 25℃ and at ventilated indoors, avoiding direct sunlight. Under such condition, powder can be stored for twelve months and should be re-tested if more than 6-12 months and can be still used if the result is in conformity with requirements.
Note: each test index mentioned in the report is data tested from lab and should only be used for reference and cannot be used as performance commitment of product application. The result will change with environment factors and other conditions changing.
Click MSDS of corresponding products for more information of our products