Pe hnab muaj ntau cov kev siv. Hauv lub neej txhua hnub, lawv feem ntau siv rau pob khoom noj, xws li txiv hmab txiv ntoo, zaub, thiab qhob cij, thiab lawv cov airtightness pab ua kom zaub mov tshiab. Hauv cov chaw muag khoom lag luam xws li separats thiab khw khw, PE hnab yog feem ntau siv los ua cov hnab yuav khoom rau cov neeg siv khoom nqa lawv cov kev yuav khoom. Hauv cov kev lag luam lag luam, lawv tau siv rau pob seem thiab cov cuab yeej, tiv thaiv lawv los ntawm hmoov av thiab noo noo. Hauv kev lag luam zoo nkauj, PE hnab yog siv rau pob khaub ncaws, tiv thaiv lawv los ntawm hmoov av thiab paug. Hauv kev ua liaj ua teb, PE hnab kuj tseem siv rau pob khoom xws li cov noob thiab chiv. Pe hnab ntawm kev sib txawv ntawm cov tuab thiab cov lus qhia tshwj xeeb tuaj yeem siv rau hauv cov ntawv thov tau sib txawv.
