QUALITY CONTROL
Our company has passed the quality and environment protection certificates ISO 9001 and ISO 14001. From the raw material to final product we perform strict inspection to guarantee the quality. The whole production process is under quality control and supervision by professional quality persons. Each coil is chemical and physical tested during and after production, and samples are cut to be kept for trace if claim is raised. If the tests do not conform to the quality requirement, the production will stop to improve and find out the problem. We ensure 100% quality satisfaction to customers.
We do below test items:
| NO. | TEST ITEMS | CONDITION | RESULT |
| 1 | T-BEND TEST | 180°BENDING | 2~3T FOR BUILDING MATERIAL
≤1T FOR SPECIALLY BEND MATERIAL |
| 2 | PENCIL HARDNESS | USE PENCIL TIP TO TEST THE HARDNESS | ≥H |
| 3 | SALT SPRAY | 500Hr IN SALT CONDITION | NO CORROSION |
| 4 | IMPACT TEST | 80LN-LB | NO CRACK, NO PAINT PEELING |
| 5 | MEK RUB TEST | RUB BOTH SIDES BY CHEMICAL SOLUTIONS | ≥100TIMES ON TOP
≥50TIMES AT BOTTOM |
| 6 | GLOSS | AS PER REQUIREMENTS | 10% TOLERANCE |
| 7 | COLOR VARIATION | ASTM A755 | ≤δ0.7 |
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Contact us
TEL:0086-512-58793523
Fax:+86-512-5879-3513
ADD:Jiulong logistics park,Zhangjiagang city,Jiangsu, China
Email: export@wanchengmetal.com
Contact us
Tel: +86-512-5879-3523
Fax: +86-512-5879-3513
Address: Baizigang Road, Zhangjiagang, Jiangsu, China
Email: export@wanchengmetal.com
Fax: +86-512-5879-3513
Address: Baizigang Road, Zhangjiagang, Jiangsu, China
Email: export@wanchengmetal.com
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