| Coating type | Pencil hardness | Gloss(%) | Tbend | MEK | Reverse impact J | Resistance to salt spray(h) | ||||
| low | in | high | low | in | high | |||||
| Polyester | ≥F | ≤40 | 40~70 | >70 | ≤5T | ≤3T | ≤1T | ≥100 | ≥9 | ≥500 | 
| Silicon modified polyester | ≥F | ≤40 | 40~70 | >70 | ≤5T | ≤3T | ≤1T | ≥100 | ≥9 | ≥1000 | 
| High-durability polyester | ≥HB | ≤40 | 40~70 | >70 | ≤5T | ≤3T | ≤1T | ≥100 | ≥9 | ≥1000 | 
| Polyvinylidene fluoride | ≥HB | ≤40 | ≥1000 | |||||||