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Description | Test Standard | Nano PVDF |
Thickness of Coating | NANO PVDF paint≥34μm | 35μm to 37μm |
Coating Flexibility(T-bend) | NANO PVDF paint≤2T | 2T |
Color difference | ΔE≤2.0(follow color sample) | ΔE≤2.0 |
Pencil Hardness | ISO 15184:1998 Section 10 | 5H |
Chemical Resistance | 5%HCL or 5%NaOH test in 240hrs--No change | No change |
Coating Adhesion | ISO 2409:2007 Section 6 | The edges of the cuts are completely smooth, none of the squares of the lattice is detached |
Resist Solvent | No change for 200times (MEK) | No change |
Boiling Water Resistance | EN438-2:2005 Section 12 | Rating 5, No visible change. Average change of mass:0.08%; Average change of thickness:1.36% |
Peeling Strength/ Stripping Strength | BS EN319:1993 | 2.4N/mm² |
Impact Test of paint | ISO6272-1:2002 Section 8 | The coating not crack or peel after 2kg weight ball dropped from 1.5m height |
Abrasion Resistance(L/Mil) | ISO7784-2:1997 Section 8 | The abrasive rubber wheel: Taber H-22; the cycles number:100; the mean loss mass:91mg |
Temperature Resistance | EN 438-2:2005 Section 19 | Rating 4, change of gloss only |
Coefficient of Linear Thermal Expansion | ISO11539-2:1999 Section7 | 1.3*10^4K |
Detergent Resistance(3%) | ASTM D2248 | No change |
Humidity Resistance(3000hrs, 100%RH,100ºC) | ASTM D2247 | No change |
Salt Spray Resistance (3000hrs, 5%salt) | ASTM B117 | No change |
Resistance to Staining | EN438-2:2005 Section 26 | Rating 5, no visible change |