Color coated steel plate usually the galvanized steel,GL after surface treatment on their surfaces coated with a certain thickness of the adhesive coating or layer of organic film,after curing,become a color plate,with excellent corrosion resistance,molding,decoration in the building,home appliances,light industry,transportation and other industries widely used as an ideal composite material.
| Coating type | Pencil hardness | Gloss（%） | Tbend | MEK | Reverse impactJ | 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 | |||||||
