Khalase ea laminated ke kaho ea lite tse peli tsa galsss bonde toghether by the adhesive material- ka tloaelo polyvinyl butrol (PVB) .PVBlayer ena e sa bonahaleng e etselitsoe ho boloka khalase e le karolo ea sebopeho ha e robeha, ho e-na le ho lumella khalase hore e pshatlehe ka tsela e 'ngoe e kholo. Li-piede tse bohale, le tse kotsi.PVB e boetse e etsa hore lithapo tsa likhalase tse robehileng li fokotsehe, e fokotsa haholo kotsi ea ho tsoa kotsi.Ka mor'a ho futhumatsa le ho hatella, Lilithara tse peli tsa khalase le PVB interlayer li fetoha mohaho o le mong o tiileng, o tšoarellang oa khalase.