Complaint
| ALLOY | AA3003H24, AA3004H24, AA3105H16, AA5005H24, AA5052 OR AS PER ORDER |
| THICKNESS | 0.6MM,0.7MM,0.8MM,0.9MM,1.0MM,1.1MM,1.2MM OR AS PER ORDER |
| WIDTH | 500MM, 575MM, 580MM, 595MM, 600MM, 682MM, 1000MM, 120MM ETC. |
| TOP COAT | PVDF in 25um or in 35um; HDPE in 25um or as request |
| BACK COAT | PE / EPOXY |
| COLOR | RAL COLORS, OR MATCHING WITH THE ORIGINAL SAMPLES |
| COIL ID | 505MM; |
| SPECIAL TREATMENT | EMBOSSED ETC. |
| Test Item | Coating | ||
| PVDF | PE | ||
| Double layers | Three layers | ||
| Coating thickness | ≥25 | ≥30 | ≥18 |
| Gloss Tolerance | While 60°gloss value ≥80 unit, tolerance ±10 unit | ||
| While 60°gloss value ≥20 - 80 unit, tolerance ±7 unit | |||
| While 60°gloss value <20 unit, tolerance ±5 unit | |||
| Pencil Hardness | ≥1H | ≥2H | |
| Flexibility of coating | While ≤2T, coating no crack or peel off | ||
| Adhesive property | 0 or 1 grade | ||
| Impact Resistance | coating no crack or peel off | ||
| Acid Resistance | Surface immersed with 5% HCL(V/V) for 48 H without change | Surface immersed with 2% HCL (V/V)for 48 H w | |
| Solvent Resistance | Brushing 200 times with butanone no appearance to bottom | Brushing 100 times with butanone no appearance to bottom | |
| Chromatism | The coating color is almost the same as confirmed by buyer and seller, the color difference tested by colorimeter between coating sample is less than 1. | ||
| Saly Fog Resistance | Outside 3mm the line which is scrached, no corrosion and coating peel off | ||
| Moisture Resistance | Coating change is less than 1 grade after 1000 hrs humidity test | ||
| Weather Resistance | After 2000 hrs xenon lamp shining test, no powder come into being, glossy retention rate ≥85%, color change degree at least reaching to 1 grade. | ||
| Note: The test is as per China National Standard and Nonferrous Metals Industry Standard for color coated aluminum coil and ACP | |||
For the detailed parameters, please contact with our business representative, tks!
