Test items | unit | Qualified indicator | Test Results | Test basis |
Impact resistance | cm | 50 | 50 | GB/T 1732-1993 |
Surface drying time | h | 1-3 | 1-3 | GB/T 1728-1979 |
Overall drying time | ≤24 | ≤24 | ||
Adhesion | level | 1 | 1 | GB/T 1720-1979(1989) |
hardness | / | ≥H | 2H | GB/T 6739-2006 |
Acid resistance | 48h | No blistering, no detachment, slight discoloration | Standards compliant | |
Alkali resistance | 48h | No blistering, no detachment, slight discoloration | Standards compliant | |
toughness | mm | / | 1 | GB/T 1731-1993 |