Features：dustproof、easy to clean, Nice appearance、excellent sealing。 Application ：Widely used in chemical pharmaceuticals 、foods、electronics and hospitals and other industrial fields Door leaf Material: Powder coated galvanized steel or stainless steel Door core: Paper honeycomb or rock wool or PU Door &Frame thickness: 50mm With Double-layer tempered glasses, Arc window(with desiccants), with Alu door hinge ,door lock, door closer, automatic rubber seal , ●Custom design is welcome.