Surface Finish Options Overview
Product description
Powder coating for automobile springs is outdoor pure polyester powder coating with excellent weather resistance and mechanical properties, excellent flexibility and cold resistance.
Transportation packaging
Carton packaging, lined with two layers of polyvinyl chloride plastic bags, net weight of each box is 20kg. Non-hazardous items can be transported in various ways, but should be kept away from direct sunlight, moisture and heat, and contact with chemicals.
Application areas
Applicable to automobile springs and devices with high mechanical performance requirements.
Health and safety
Operators should wear dust masks during use to avoid inhaling dust, and minimize long-term contact between skin and powder coating. Paint attached to the skin can be washed with soap.
Coating properties
| Test items | Inspection standard or method | Inspection index |
| Appearance | Visual inspection | Coating uniform, no burrs, bubbles and other defects |
| Film thickness | GB/T 1764 | ≥60 μm |
| Adhesion | GB/T 9286 | Level 0 or Level 1 |
| Impact | GB/T 1732 | ≥50Kg*cm |
| Neutral salt spray resistance | GB/T 1771 | 480h; Stroke area: unidirectional rust ≤2.0mm; Unstrike area: no abnormality |
| Water resistance | QCIT 484 | 240h No abnormality |
| Oil resistance | HG/T 3343 | 48h No abnormality |
| Gasoline resistance | GB/T 1734 | 8h No abnormality |
| Acid resistance | GB/T 9274 | 24h; No fuzziness, no spots, slight discoloration allowed |
| Alkali resistance | GB/T 9274 | 4h; No fuzziness, slight discoloration allowed |
| Moisture and heat resistance | GB/T 1740 | 500h No abnormality |
| Curing conditions | 200℃/15min | |
