... .Resistant to the erosion of acid, alkali, salt 3.nonflammable 2011 new style PVC windows1.PVC windows2.profile : 50mm,60mm,65mm ... profileShide/ Conch / KommerlingGlassSingle, double, tripled glass; double glass with grilleLow-E glass, Tempered glass, floated glass, reflective glass, OBS glass, etc ...