Pre-Painted Hot-Dip Zinc Coated Steel Features Cold-rolled steel sheet, galvanized steel sheet, and Aluminium steel sheet painted or covered by polyethylene film with pre-painted colors and unique designs. Applications Manufacturing Electrical appliance part, home appliance Construction External and internal construction material Specification JIS G 3312 – Pre-painted Hot-Dip Zinc Coated Steel Class, symbol, coating and durability Class Coating Durability (salt spray test) Durability (weathering test) Class 1 One coat 200 hours --- Class 2 Two coats 500 hours --- Class 3 Two coats or more 2000 hours 1500 hours HOME | ABOUT US | PRODUCTS | SERVICES | CUSTOMERS | PARTNERS | CONTACT US   Copyright © 2000-2019 Cheungkee Metal Co Ltd. All rights reserved. Designed by Vifsense Ltd.