Thickness of coating |
PVDF paint≥25μm |
26μm to 28μm |
Coating Flexibility(T-bend) |
PVDF paint≤2T |
2T |
Color difference |
ΔE≤2.0(follow color sample) |
ΔE<2.0 |
Pencil hardness |
≥HB |
≥HB |
Chemical Resistance |
5%HCL or 5%NaOH test in 24 hours-No change;ASTM D1308 |
No change |
Coating Adhesion |
≥1 grade for 10*10mm² gridding test |
1 Grade |
Resist Solvent |
No change for 200times(MEK) |
No change |
Boiling Water Resistance |
Coating no tear off for 2 hours boiling |
no tear off |
Peeling Strength/Stripping Strength |
Average≥7N/mm of 180ºC peel off for panel with 0.5mm alu.skin |
7N/mm |
Impact Test for paint |
50kg.cm impact --paint no split for panel |
no split |
Abrasion Resistance(L/Mil) |
ASTM D968 |
44 |
Temperature Resistance |
-40ºC to +80ºC temperature without change of color tolerance, panit peel off, peeling strength average dropprate ≤10% |
change of gloss only, no paint peel off |
Coefficient of Linear Thermal Expansion |
100ºC temperature difference |
2.4mm/n |
Detergent Resistance(3%) |
ASTM D2248 |
No change |
Humidity Resistance(3000hrs, 100%RH,100ºF) |
ASTM D2247 |
No change |
Salt Spray Resistance(3000hrs, 5% salt) |
ASTM B117 |
No change |
Resistance to Staining |
4000H radiate in 800W/m² in humidity condition, glossiness deviation less grade 2, color difference ≤4.0 |
No change |
FAQ:
Q:Are you a factory or trading company?
A: We are a factory.
Q: Can I get samples?
A: Yes, samples can be sent for your reference.
Q: Terms of payment?
A:T/T L/C
Q:Do you have any certification?
A:Yes, we have CE, SGS,REACH,ISO9001-2018 and so on.