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Farar fim, LDPE = ƙananan ƙarancin polyethylene, ko polyethylene mai ƙarfi, shine Polyethylene polymerized a ƙarƙashin yanayin matsanancin matsin lamba, ƙarancin yana ƙasa da 0.922.

HDPE = Polyethylene mai girma, ko ƙananan ƙarfin lantarki.Yawan yawa sama da 0.940.

Baƙar fata geomembrane galibi HDPE(high density polyethylene) geomembrane, farin geomembrane galibi shine LDPE (ƙananan yawa polyethylene) geomembrane.Bambance-bambancen da ke tsakanin su biyu shine mafi yawa a cikin yawa da kuma aiki, yawancin na farko ya fi girma, ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan suna amfani da kayan aikin injiniya na geotechnical, na karshen ana amfani da su azaman kayan fim na bakin ciki.

Black Geomemrambane Geommubmane shine baki saboda gemembane a cikin shiga cikin tsarin samar da Blackburat, a ƙarƙashin yanayi na al'ada, yana iya aiwatar da adadi mai yawa na Geomemat, Geomembat barbashi na iya aiki sosai mai sauƙi don yin aiki, ba zai shafi matsalar ingancin geomembrane ba.

Farin geomembrane shine saboda geomembrane da ke cikin ƙarar ɓangarorin farar fata, ɓangarorin farar fata ba za su yi tasiri ga ingancin geomembrane ba.Baƙar fata geomembranes sun fi girma da yawa da aiki fiye da farar LDPE geomembranes saboda yawancin su HDPE geomembranes ne.Farin LDPE geomembrane da aka yi amfani da shi azaman samfuran filastik na fim, amfanin kuma yana da faɗin faɗin.

Saboda girman HDPE baƙar fata geomembrane ya fi na LDPE farin geomembrane, amfani biyun zai bambanta.Hakanan ana buƙatar kwatanta kwatancen ingancin gabaɗaya bisa ga aikace-aikacen biyun a cikin nau'in gini iri ɗaya, ba don kwatanta tsayin biyun (babu kwatancen).Ana amfani da su daban-daban a cikin gine-gine daban-daban, kuma wani lokacin suna maye gurbin juna.

Farin LDPE geomembrane fiye da baƙar fata HDPE geomembrane yana da mafi kyawun haɓakawa, sassauci da ƙarfi fiye da baƙar fata HDPE geomembrane, cimma ƙayyadaddun ƙayyadaddun aikin aikin farin LDPE geomembrane sabon ƙarni ne na kayan sarrafawa na geotechnical, ikon daidaitawa a cikin injiniya iri ɗaya zai fi ƙarfin baƙar fata. HDPE geomembrane, yanzu ana iya ganin aikin injiniya da yawa a cikin samfurin.

Kamar yadda ake iya gani daga sama, baƙar fata HDPE geomembrane da farin LDPE geomembrane suna da aikace-aikace daban-daban a cikin ayyuka daban-daban kuma ba za a iya gama su ba.Nau'ikan samfuran biyu suna da nasu ƙarfi da rauni.Ya kamata a yi la'akari da ingancin waɗannan samfurori guda biyu bisa ga matsayi daban-daban.