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aluminum composite cladding sheet
1)General Specification
Substrates: | Aluminium (AA1100, 3003, 3004, 3105, 5006, 5052, 8011, etc), etc. |
Thickness: | 0.08-1.5mm |
Width: | <1800mm |
Coils core diameter: | 150mm ,405mm, 505mm, 508mm, 510mm |
Coating thickness: | PVDF >=25micron POLYESTER>=18micron |
Color standard: | E < 2 or it is not obvious by eyeballing |
Pencil hardness: | > 2HB |
Coating adhesive: | not lower than first grade Impact: no any crack (50kg/cm, ASTMD-2794:1993) |
Bend stength: | >100 times |
Boiling point: | no any distortion and color change (in the 99 more or less 1 degree water, then cooling 2 hours) |
Corrosive: | surface deep in the 5% muriatic acid and 5% NaCL, interior deep in the 2% muriatic acid and 2% NaCL, after 48 hours, no change |
2)parameters of PVDF Coating PVDF (KYNAR500 PVDF>70%)
Item | Resultult | TeTest standard |
Coating thicknesss | ≥ 25 μm | ISO 2360 ( CNS 8406 ) |
Pencil Hardness | ≥ 1H | ASTM D3363 |
Color Retention | Aging resistance test 4000 hours, maximum 5 units | ASTM D2244 |
Glossr Retention | Aging resistance test 4000 hours, 90% | ASTM D2244 |
Chalk resistanc | Aging resistance test 4000 hours, maximum 8 units | ASTM D659 |
Flexibility( T shape bending ) | IT, no crack | ASTM D4145 |
Adhesiv | 1mm×1mm,No peeled off | ASTM D3359 |
Impact resistance | No crack, no dropout | ASTM D2794 |
Friction resistance | 64.6 L/mil | ASTM D968 |
Salt spray resistance | 3000 hours no change( 5%NaCL,35°C) | ASTM D117 |
Humidity resistance | 3000 hours no change( 100RH35°C) | ASTM D714 |
Mortar Resistance | No change | ASTM D605 |
Acid-resistance and alkali-resistance | No change | ASTM D1308 |
Solvent resistanc | No change MEK 100times | ASTM D2248 |
3) Feather information
1, Material:Pre-treatment material from HenKel &Chemtell from Germany,
2, Paint: 70% PVDF from PPG or Valspar;
3.Pretreatment: the raw aluminum has to be washed by acid, and chromized. After it is dried out, it will be covered by oxide film to heighten the adhesion.
4, Colors: Can do as your requirement We are the first one to pass CTC of national testing certification center of building materials.
5. Good quality for Benting:
6.Polyester coating ingle coating, one layer, 18μm; double coating, two layers, 25~27μm.
PVDF coating: two layers of PVDF coating, at least 25μm, and if required, it will be covered by another layer of varnish 35μm in total.
4) Application
Exterior applications: wall cladding, facades, roofs and canopies, tunnels,column covers or renovations;
Interior applications: wall cladding, ceilings, bathrooms, kitchens and balconies
Advertisement and market applications: display platforms, signboards, fascia and shop fronts.
5)products photos
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