Powder coating for automobile wheels MT-Al00
Product Overview:
Special powder coating for wheels (rims), a series of epoxy polyester powder coating products specially designed for the characteristics and requirements of wheel base and topcoat.
Coating characteristics:
—Strong adhesion
—Excellent leveling
—High air permeability
—Good salt spray resistance
Application:Suitable for automotive aluminum wheels and steel rims
Application parameters:
Curing time: 180℃~200℃, 10~15 minutes
Spraying method: High-voltage electrostatic spraying 60~80KV
Coating performance:
| Project | Instrument | Judgment standard | Test standard |
| Pencil hardness | Pencil hardness tester | 1H | GB/T 6739
ASTM D3363 |
| Impact resistance | Impact tester | 50 kg.cm (8mm diameter)
2.5Nm (16mm diameter) (20mm diameter) |
GB/T 1732 ASTM D 2794 ISO 6272 |
| Bending resistance | Bending tester | W 2mm (cylindrical shaft)
Conical shaft bending Cylindrical shaft |
GB/T 6742 ASTM D 1737 ISO 1519 |
| Adhesion | Hundred grid test | Grade 0 | GB“ 9286 ISO 2409 ASTM D 3359 |
| Salt spray resistance | NSS salt spray | &1000H, WbS2mm | GB/T 1771 ASTMB-117 ISO 7253 |
| Cupping | Cupping instrument | & 6 mm | GB/T9753 ISO 1520 |
•The above tests are all conducted on 0.8mm degreased and derusted cold-rolled steel plates, with a coating thickness of 60~80um. The performance indicators of the coating will vary slightly with the gloss.
Environmental protection requirements: This product does not contain heavy metals such as chromium, selenium, lead, hexavalent chromium, mercury, lock, cadmium, etc., and fully complies with ROHS2.0 environmental protection requirements.
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