Shenzhen HLC Plastic Products Co., Ltd.
In the purchase of coroplast sign in advertising boards, should pay attention to the following aspects:
First, look at the mark and check certificates.
coroplast sign in advertising boards refers to a single board that constitutes a Hollow Board, which is a safety board that has passed SGS environmental protection certification. In 2006 the building (safety) Hollow board was included in the safety board mandatory certification products. According to the information of the enterprise, factory number or product certification through the Internet to view the product manufacturer is certified by SGS environmental protection (3C certificate and valid), the range of product specifications in the enterprise has been through the compulsory certification, certification status is valid.
Second, check the quality of the apprearance.
check the quality of appearance, the surface should not interfere with the Hollow Plate bending, crack phenomenon, surface smoothness requirements. Surface should be Less sand points and concave points
Third, should be send samples to a qualified testing agencies for evaluation and confirm the quality of the products.
The key raw materials and production processes of the coroplast sign in advertising boards are more, the quality of the raw materials and the control level of the production processes affect the final quality of the products. And the key performance of the hollow plate can not be identified from the appearance of the product, only through the test to be able to confirm the test. Therefore, it is recommended in the purchase of esd bin, especially in large quantities, must be sampled to the third party testing agencies to test the screening.
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