Marble Grantie Series Aluminum Composite Panel-AludongProduct range: | Surface Coating | Polyester Coating | | Aluminum Alloy | AA1100, AA3003 | | Aluminum Skin | 0.10mm,0.12mm,0.15mm,0.18mm,0.21mm,0.25mm,0.30mm | | Panel Thickness | 2mm,3mm,4mm,5mm | | Core Material | Non-toxic low density polyethylene | | Panel Width | 1000mm,1220mm,1250mm,1500, | | Panel Length | 2440mm,3050mm,4000mm,5000mm | | Back Coat | PE coating, Primer Coating ,Mill finish |
| Panel Width | ±2mm | | Panel Length | ±3mm | | Panel Thickness | ±0.2mm | | Panel Diagonal | ≤ 5mm | | Aluminum layer thickness | ±0.02mm |
| Description | Test standard | Polyester | | Coating Thickness (μm) | Polyester paint >=16μm | 16μm to 18μm | | Coating flexibility (T-bend) | Polyester paint ≤ 3T | ≤ 3T | | Color different | ΔE<=2.0 (follow color sample) | ΔE<=2.0 | | Pencil hardness | >=HB | >=2H | | Chemical resistance | 2%HCI or 2%NaOH test in 24 hours -No change | No change | | Coating adhesion | >=1grade for 10810mm2 gridding test | 1grade | | Resist solvent | 100 times without change | No change | | Boiling water resistance | 2 hours without change | No change | | Peeling strength/stripping strength | Average >=5N/mm of 180oc peel off
for panel with 0.21mm alu.skin | 5N/mm | | Impact test for paint | 20KG.cm impact-paint no split for panel | No split | | Abrasion resistance (L/Mil) | NIL | NIL | | Temperature resistance | -40ºC to +80ºC temperature without
change of color difference
and paint peel off, peeling
strength average dropprate<=10% | Change of glossy 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,100°F) | ASTM D2247 | No change | | Salt spray resistance (3000hrs,5% salt) | ASTM B117 | No change | | Resistance to Staining | 600h radiate in 800W/M2 in humidity condition
,glossiness deviation less grade 2,color difference <=4.0 | No change |
|
