It is safety glass, produced by two or more pieces glass with PVB film between, after the high temperature and high pressure. A shield of protection To meet the challenges of today's unpredictable weather patterns, many architects and designers are discovering that Sea-Storm laminated glass, a product of Cardinal IG Company, provides unequalled protection and flexible design solutions to all variety of configuration needs. It is produced by bonding a combination of plastic vinyl layers and polyester film between two panes of glass into a single sheet Under gravity impact to burst into fragment without falling off, because in sets are the PVB film, so even it the glass bursts it's not easy to penetrate. It is mainly used in security glass, display window counter, architecture roof louver window, the corridor as well as any places possibly when broken crashes causes the human body damage