Matt Hardener Used For Indoor Home Appliance Refrigerator Pure Epoxy Spray Powder Coating System
Specifications
1) Good film tough,
2) Strong impact resistance,
3) light color, excellent constructio performance, good anti-corrosion ability
4) automotive car paint
Application:
Suitable for all kinds of products such as household appliances, instruments, meters medical devices,
automotive components, metal furniture, fitness equipment, indoor decorative painting, etc.,
also apply to a variety of equipment, pipes, pipe fittings and other requirements of corrosion coating.
Powder physical properties:
Specific gravity: 1.4-1.7 (for color and gloss vary)
Particle size distribution: 100% less than 100 microns (based on the special requirements of coating adjusted)
Fluidity: 120-140
Curing condition:
Type A - 200°C (work piece temperature), 15 minutes (flat or Matt)
Type B -180°C (work piece temperature), 15 minutes (highlight)
Type C -140°C (work piece temperature), 15 minutes (highlight)
| Inspection Item | Test Standard or Method | Test Indicator |
| Type A | Type B,C |
| Impact resistance | ISO6272 | GB/T1732-1993 | 40cm | 50cm |
| Cupping test | ISO1520 | GB/T9753-1988 | 5mm | 8mm |
| Adhesion(Planning grid method) | ISO2409 | GB/T9286-1998 | Grade 0 |
| Crook | ISO1519 | GB/T6742-1986 | 3mm | 2mm |
| Pencil hardness | ASTMD3363 | GB/T6739-1996 | 1H-2H |
| Salt test | ISO7253 | GB/T1771-1991 | > 500 hours |
| Heat test | ISO6270 | GB/T1740-1979 | > 1000 hours |
| Heat resistance | 100°C/24 hours (white) | Paul Light character (best) |
| Remark | 1, The above test use cold-rolled steel(thichness:0.8mm) to remove rust,oil. Film thickness: 50-70um. 2, All the indicators of film features will be down lightly depending on reducing of luster. |
| | | | | | |
