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Coating performance | ||||
Test items | Inspection standards | Test indicators | ||
Impact resistance | ISO6272 | GB/T1732-1993 | 30-50kg/cm | |
Cupping test | ISO1520 | GB/T9753-1988 | 6mm | |
The adhesion (grid method) | ISO2409 | GB/T9286-1998 | 0 | |
Bending | ISO1519 | GB/T6742-1986 | 3mm | |
Pencil Hardness | ASTMD3363 | GB/T6739-1996 | 1H-2H | |
Salt spray test | ISO7253 | GB/T1771-1991 | >500 hours | |
Damp heat test | ISO6270 | GB/T1740-1979 | >1000 hours |