... of acid, alkali, salt 3.nonflammable 2011 new style PVC windows1.PVC windows2.profile : 50mm,60mm,65mm ... :plastic Detailed information of PVC windowsCertificateISO9001 : 2000Window styleEuropean style; American styleOpening stylecasementSpecification(size, color,etc.)Different countries have ... color or EPDMHardwareHigh quality Chinese hardware, Guoqiang (Multi-point lock and handle) , G-U or ROTO also ...