1.Sound and Heat Insulation 2.Resistant to the erosion of acid, alkali, salt 3.nonflammable 4.insulation Characteristics of PVC doorProfiles : European 60 series profiles, The profile can be SF66 or SF 92 . A.Import Profiles: European 60 series profiles, with European-style sash groove;Korean LG, Germany Profiles. B: Chinese famous profiles such as conch, Shide, Liansu and so on .Thickness of the ...