PRODUCTS
PVDF aluminium coil
Brand name: Skyrainbow

Specification:
Thickness: 0.15mm-0.7mm
Width: 900mm-1.570mm
Color refer to our standard color catalogue, also can produce according to the customers requirement

Raw material:
The alloy of the aluminium: AA1100, AA3003, AA3105, AA5005
Paint: PVDF(≥70%)

Specification:
Thickness: 0.12-0.70mm
Width: 1240mm, 1270mm, 1520mm, 1570mm etc
Max diameter: 1200mm
Weight: 2.5T/ coil, 3T/coil
Interior diameter: 505mm or 405mm
PVDF thickness:≥ 25um
Gloss: meet the customer requirement
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)
Buketon: ≥ 100 times
boiling point: no any didtortion and color change (in the 99 ± 1 degree water, then cooling 2 hours)
Corrosive: surface deeping in the 5% muriatic acid and 5% NaCL, interior deeping in the 2% muriatic acid and 2% NaCL, after 48 hours, no change
Package standard: PE plastic in interior, same width hardboard out of surface

Testing report:
NO.
 ITEM TESTING METHOD RESULT
1. Gloss tolerance ≤10(gloss<70) 0.8(gloss=33.7)
≥5(gloss≥70)
2. grinding resistance ≥5L/um ≥17.7L/um
3. pencil hardness ≥HB 3H
4. coating flexibility ≥2T 2T
5. Adhesive strength not lower than grade 1 grade 1
6. Impact resistance 50kg.cm no depainting, no crack 50kg.cm no depainting, no crack
7. boiling water resistance no change no change
8. acid resistance no change no change
9. alkaline resistance no change no change
10. oil resistance no change no change
11. solvent resistance no change no change
12. scrub resistance ≥10000 times no change ≥10000 times no change
13. pollute resistance ≤15% 2.00%
14. face density specified value±0.5kg/m2 5.54kg/m2
15. Artificial weathering color differences≤3.0 2.0
Degration of metallic film≤2 grade class 1
Others 0 grade class 0