Dab tsi yog qhov txawv ntawm PE yeeb nkab thiab PEX yeeb nkab?

PE yeeb nkab muaj qhov nruab nrab ntom polyethylene yeeb nkab thiab siab ntom polyethylene yeeb nkab. Raws li phab ntsa thickness, nws muab faib ua SDR11 thiab SDR17.6 series. Lub qub yog tsim rau conveying gaseous artificial gas, natural gas thiab liquefied petroleum gas, thaum lub tom kawg yog tsuas yog siv rau conveying natural gas.