Surface Finish Options Overview
Product Overview:
Epoxy polyester powder coating series designed for automobile engine blocks, suspension systems, filters, springs and other parts.
Coating characteristics:
-Good adhesion
-Good mechanical properties
-Excellent corrosion resistance
Application:
Suitable for various types of engines, suspension parts, filters and other automobile parts.
Application parameters:
Curing time: 180℃～200℃×10～15 minutesSpraying method: high voltage electrostatic spraying 60～80KVRecommended film thickness: 60～150um
Physical properties:
| Project | Instrument | Judgment standard | Test standard |
| Pencil hardness | Pencil hardness tester | ≥1H | ASTM D 3363 GB/T 6739 |
| Impact resistance | Impact tester | 50kg.cm(8mm diameter) 2.5Nm (16mm diameter) (20mm diameter) | GB/T 1732 |
| ASTMD2794 | |||
| ISO 6272 | |||
| Bending resistance | Bending tester | ≤2mm (cylindrical shaft) Conical shaft bending Cylindrical shaft | GB/T 6742 |
| ASTM D 1737 | |||
| ISO 1519 | |||
| Adhesion | Hundred grid test | Grade 0 | GB/T 9286 |
| ISO 2409 | |||
| ASTM D 3359 | |||
| Cupping | Cupping tester | ≥6mm | GB/T 9753 ISO 1520 |
| Salt spray resistance | NSS salt spray | ≥500H,Wb≤2mm | GB/T 1771 |
| ASTM B-117 | |||
| ISO 7253 | |||
| Moisture and heat resistance | Constant temperature and humidity chamber | ≥1000H slight gloss loss | GB/T 1740 ISO 6270 |
The above tests are all conducted on 0.8mm degreased and rusted 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 arsenic, selenium, lead, hexavalent chromium, mercury, antimony, cadmium, and other heavy metals, and fully complies with RoHS2.0 environmental protection requirements.
Note: We will provide complete powder coating consultation and application customization solutions based on the actual needs of each customer. The test indicators mentioned in this report are all laboratory test data for reference only and are not intended as performance commitments for product applications. The results may vary depending on environmental factors and other conditions.
