Ntawm cov ntau cov kav dej ntawm kev ua lag luam, pp yeeb nkab yog ib qho kev ua tau zoo heev. Nws yog ua los ntawm polypropylene (pp) khoom siv, uas muaj qhov muaj zog kub ua haujlwm thiab tsis yog- pa. Nws yog huv heev thiab huv, ua rau nws muaj tswv yim heev. Cia peb saib ua ke hauv qab no.
1. PIPES yog nquag siv nyob rau hauv cov ntaub ntawv muab dej, thiab lawv tau tsim los ntawm cov ntaub ntawv fiber ntau muab nrog cov neeg sawv cev sib dhos, ua rau lawv kub ntxhov siab thiab siab.
2. Cov kev pabcuam lub neej ntawm cov yeeb nkab no yog ntev heev, nws tuaj yeem siv rau 20-30 xyoo, yog li ib zaug nteg, nws tuaj yeem siv rau lub sijhawm ntev.
3. PIP kav yog ua nrog iav fiber ntau cov ntaub ntawv, yog li lawv yuav tsis yooj yim deformorm thaum siv.
4. Thaum lub caij los nag, qhov tob ntawm trenenitectation yuav cuam tshuam rau cov kav dej, yog li saib xyuas yuav tsum tau them los npaj cov tshuaj lom.
5. Lub suab rwb thaiv tsev nyhuv thiab wluability ntawm pp kav kuj yog qhov zoo heev, thiab cov tshuaj uas muaj dhau los ntawm kev ntseeg heev, uas yog cov tswv yim heev.
