X Email Mobile
EXW Price: |
The price for this item is to be negotiated. Please contact supplier for further information.
|
Main Products: |
aluminum composite panel,aluminum coil,aluminum panel,UV panel |
Contacts: | Jia PanfengChat |
Mobile: | 86-19883295188 |
E-mail: | 444516786@qq.com |
WeChat: | 13735668919 |
Address: | Jinhua City,Zhejiang Province |
TEST METHODS AND REPORTS | |||||||
NO. | test item | standard index | test value | single item determination | |||
high-class | qualified class | ||||||
1 | appearance | vestige | indistinct | indistinct | indistinct | high-class | |
quality | coatingomit | not allowed | not allowed | no | high-class | ||
ripples | not allowed | indistinct | no | high-class | |||
rubbles(V/10mm) | not allowed | ≤1个/㎡ | no | high-class | |||
flaw(V/3mm) | ≤3个/㎡ | ≤10个/㎡ | no | high-class | |||
abrasion | not allowed | ≤100mm/㎡ | no | high-class | |||
scratch | not allowed | ≤300mm2/㎡ | no | high-class | |||
Total number of abrasion and scratch | not allowed | ≤4 | 0 | high-class | |||
aberration | indistinct | indistinct | indistinct | high-class | |||
2 | dimen-sions | length | ±3mm | +0.2mm~+2.1mm | ok | ||
deviation | width | ±2mm | +0.1mm~+1.1mm | ok | |||
thickness | ±0.2mm | +0.02mm~+0.04mm | ok | ||||
squareness | ≤5mm | 1.7mm | ok | ||||
edge unstraightness | ≤1mm/m | 0.15mm/m | ok | ||||
warpage | ≤5mm/m | 1.2mm/m | ok | ||||
3 | Coating thickness | min≥25μm | 29μm(average 30μm) | OK | |||
4 | Gloss toletance | ≤10(gloss<70=≤5 (gloss≥70 | 7.7 (gloss24.4) | OK | |||
5 | Pencil hardness | ≥HB | 3H | OK | |||
6 | Coating flexibility | ≤2T | 2T | OK | |||
7 | Coating resistance | No lower than class 1 | Class 1 | OK | |||
8 | Impact resistance | 50kg·cmno depainting, no crack | 50kg·cmno depainting ,no crack | OK | |||
9 | Grinding | ≥5L/μm | ≥17.7L/μm | OK | |||
10 | Boiling water resistance | No change | No change | OK | |||
11 | Pullute resistance | ≤15% | 2.00% | OK | |||
12 | Acid resistance | No change | No change | OK | |||
13 | Alkaline resistance | No change | No change | OK | |||
14 | Oil resistance | No change | No change | OK | |||
15 | Solvent resistance | No change | No change | OK | |||
16 | Scrub resistance | No change when≥10000 times | No change when10000time | OK | |||
17 | Face censity | specifide±0.5kg/㎡ | 5.54kg/㎡ | -- | |||
18 | Bending strength | ≥100Mpa | 121MPa | OK | |||
19 | Benging elastic modulus | ≥2.0×104MPa | 3.2×104MPa | OK | |||
20 | Penetrating resistance | ≥9.0KN | 10.1KN | OK | |||
21 | Shearing strength | ≥28.0MPa | 32.0MPa | OK | |||
22 | 180°peel strength | ≥7.0N/mm | 12.63M/mm | OK | |||
23 | Temperatrue difference resistance | No change | No change | OK | |||
24 | Thermal expansion | ≤4.00×10-5℃-1 | 8.9×10-5℃-1 | OK | |||
25 | Heat distortion temperature | ≥105℃ | 105.1℃ | OK | |||
26 | Resistance salt spray | ≤ 2 grade | Class 1 | OK | |||
27 | Artificial weathering | Colour differences | ≤3.0 | 1.13 | OK | ||
Degradation of metallic paint films | ≤ 2 grade | Class 1 | OK | ||||
others | 0 grade | Class 0 |
Ok |
TOP
Items have been added to the Inquiry Basket
There are items in the inquiry basket