Prepainted Sheet Metal Production Tolerance

Prepainted Sheet Metal Production Tolerance Table
Prepainted Sheet Metal Production Tolerance Table Polyester, Polyvinyl, Polyurethane Plastisol
Prepainted Sheet Metal Production Tolerance Table Standard: External sheets total coating thickness Specification ± %10
20±2mm 25±3mm
Metalic Colour: External, when metallic colour used
81±2mm Total coating thickness of the surface
External and Internal Sheet Back Coat Thickness 4-6mm (5±1mm) 23±3mm 4-6mm (5±1mm)
Internal Surface Coating Thickness - 7±1mm -
Deviation Tolerance of External Face Paint Colour For Metallic, Phosphorous and Nacreous ΔE≤2
At 60° Temperature mat: ≤10 mat: ≤10
low brightness : >10- ≤20 low brightness : >10- ≤20
medium brightness: >20- ≤40 medium brightness: >20- ≤40
brightness: >60- ≤80 brightness: >60- >80
high brightness: ≥80 high brightness: >80
MEK Test for Removing the Upper Surface Coating ≥100
Metallic Colour ≥50
-
MEK Test for Removing the Lower Surface Coating ≥50 ≥50
Coating of the Upper Layer/Adhesion Test ≥6mm-0 ≥6mm-0
Adhesion Test of Lower Surface Coating ≥6mm-0 ≥6mm-0
Pencil Hardness Test of the Lower Surface Coating Min.F -
T Bending Test of the External Coating Max.2,5 T Max.0,50 T
Impact Test ≥10 j -