A HDPE geomembrane siman waa mid aad u hooseeya daalacashada xuubka xuubka synthetic ama xayndaab dusha siman leh. Waxa loo isticmaali karaa oo keliya ama wax kasta oo la xidhiidha injineernimada juqraafiyeed si loo xakameeyo socodka dareeraha (ama gaaska) ee mashruuca, qaab-dhismeedka, ama nidaamka bani-aadmiga. Wax soo saarka HDPE geomembrane siman waxay ku bilaabataa soo saarista alaabta ceeriin, oo inta badan ay ku jiraan HDPE polymer resin, iyo waxyaabo kale oo lagu daro sida kaarboon madow, antioxidants, wakiilka gabowga, nuugista UV, iyo adjuvant kale. HDPE resin iyo saamiga wax lagu daro waa 97.5: 2.5.