Swiphemu swa xivumbeko xa switirhisiwa swa waya na tikhebulu, hi ku angarhela, swi nga avanyisiwa hi swiphemu swa mune leswikulu swa xivumbeko: waya, ku pfalela, ku sirhelela na ku pfalela.
Switirhisiwa swa rhaba swinga tirhisiwa eka insulation na sheathing.
Xitsundzuxo:Nhlanganiso wa EPDM ,Nhlanganiso wa CR
EPDM: S505A;S512F;3062E;J-3060P;TER 4033;TER 4044
CR: SN121;SN122;SN123;CR111;CR112;SN231;SN232;SN233;CR213;SN323