Items | Test Method | Test Result |
Appearance | Eyeballing | Smooth and flat |
Coating Process | / | Two coats and one bake |
Film Thickness | GB/T 13452.2-2008 | 25μ m-80 μm |
Pencil Hardness | GB/T13448-2023 | 2H |
Scratch Resistance Test | GB/T13448-2023 | 2800g |
Transfer Time | / | 20"-40" |
Reverse Shock | GB/T12754-2023 | ≥ 9J |
Cupping Test | GB/T13448-2023 | 7mm |
MEK | GB/T13448-2023 | ≥ 1 00 times |
T-bend Test | GB/T13448-2023 | ≤ 1T |
Acid Resistant | GB/T13448-2023 | 5% HCl, soaked for 240h without foaming or falling off |
Alkali Resistant | GB/T13448-2023 | 5% NaOH, soaked for 168h without foaming or falling off |
Humid and H eat Resistant | GB/T1740-2023 | 1000h coating no peeling, no blistering, no discoloration |
Cold S hock Resistance | / | -18°C for 24h, 0T is good, impact is good |
Aging Resistance | / | Bake at 100°C for one hour, the T-bend does not rise |
Salt S pray R esistance Test | GB/T1171-2023 | ≥ 500h |