Item | Indicators | ||
Indoors | Outdoors | ||
State in the container | Uniform color,no foreign body,Loose powder | ||
Screenings (125um) | All passed | All passed | |
Coating appearance | Normal | Normal | |
Hardness ≥ | F-H | ||
Adhesion (Level) | 1 | 1 | |
Impact / cm | 50 | 50 | |
Bending / mm | 2 | 2 | |
Cupping / mm | 6 | 6 | |
Gloss (60) | Negotiate | Negotiate | |
Alkali resistance(5%NaOH) | 168h No abnormal | Negotiate | |
Acid resistance(3%HCl) | 240h No abnormal | 240h No abnormal,500h No abnormal | |
wet and heat resistance | 500h No abnormal | 500-1000h No abnormal | |
salt fog resistance | 500h line: One-way corrosion≤2.0mm; without lines ,no abnormal | ||
Resistant to artificial weathering | 500h-800h Color changed≤2level Loose Glossy≤2level Without Pulverization,blister,cracking,desquamating | ||
Heavy metal / (mg/kg) Soluble lead Soluble cadmium Soluble chromium Soluble mercury | ≤90 ≤75 ≤60 ≤60 | ≤90 ≤75 ≤60 ≤60 |