Dahaarka iyo dahaarka tuubooyinka
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Dahaarka 3LPE ee ka baxsan DIN 30670 Gudaha Dahaarka FBE
Heerarkani waxa uu qeexayaa shuruudaha warshada lagu dabaqay saddex-lakab ee dahaadhka polyetylen-ku-salaysan iyo hal ama dahaaryo badan oo dahaar ah oo polyetylen-ku-salaysan ah oo loogu talagalay ilaalinta daxalka ee tuubooyinka birta iyo qalabyada.
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Dahaarka Epoxy-ku-xidhan ee Fusion-Bonded Awwa C213 Standard
Dahaarka Epoxy-ku-xidhan ee Fusion iyo Dahaarka ee Dhuumaha Biyaha Birta iyo Qalabyada
Kani waa heerka Ururka Hawlaha Biyaha ee Maraykanka (AWWA).Dahaarka FBE waxaa inta badan loo isticmaalaa tuubooyinka biyaha birta ah iyo qalabyada, tusaale ahaan tuubooyinka SSAW, tuubooyinka ERW, tuubooyinka LSAW tubooyinka aan si fiican u lahayn, xusullada, tees, yareeyayaasha iwm ujeedada ilaalinta daxalka.
Dahaarka Epoxy-ku-xidhan ee Fusion-ku waa qayb ka mid ah dahaarka heerkulbeegga qalalan-budada ah, marka kulaylku shaqeeyo, soo saaro fal-celin kiimikaad dusha tuubada birta iyadoo la ilaalinayo waxqabadka hantideeda.Laga soo bilaabo 1960kii, codsigu wuxuu ku fiday cabbirada tuubooyinka sida dahaarka gudaha iyo dibadda ee gaaska, saliidda, biyaha iyo codsiyada biyaha wasakhda ah.