How To Choose A Prepainted Steel Coil?
1. Price It mainly refers to the price of raw materials, base steel or cold rolled sheet components supplied by suppliers. The price of raw materials determines the price of color coated coils and the input-output ratio of the entire supply chain, which results in profit margins for producers and sellers. A certain degree of influence. 2. Quality First, confirm all the details of the order, including thickness, width, color, packaging, roll weight, etc., as well as the application environment of the selected raw material.PPGI's quick and easy testing methods are: machines to test paint thickness and coil thickness and width, T-bend to test paint adhesion, and testing zinc layer. Or you can make an appointment with a professional testing agency such as SGS for sampling to better define product quality. Coating hardness The coating hardness is the ability of the coating to resist scratch, abrasion, impact, press and other mechanical functions, which is clo...