Ton bags, also known as bulk bags, space bags, and large packaging bags, are typically made from polyester fibers such as polypropylene and polyethylene.
Lub hnab qhib feem ntau ua los ntawm ob cov khoom: polypropylene thiab polyethylene. Polypropylene yog qhov tsis - paab, tsw yog 0.90}} 0.}} 0.}} 0.}} Polypropylene muaj lub tshav kub ua kom tau zoo heev, thiab cov khoom tuaj yeem muaj peev xwm ua kom tsis muaj qhov kub tshaj 100 degree. Nws tseem tswj hwm nws cov duab txawm tias ntawm 150℃yam tsis muaj sab nraud zog. Txawm li cas los xij, vim nws lub siab shrissage (1% rau 2.5%), tuab -}} Walled cov khoom lag luam yog nquag tua hniav. Rau qhov uas yuav tsum muaj siab - qhov seem precision, yog glossy nto yog qhov tseem ceeb. Polyethylene tshwj xeeb tshaj yog nyob hauv dej, nrog dej nqus dej ntawm 0.01% thiab cov molecular qhov hnyav ntawm kwv yees li 80,000 {{} {} {}} 150,000. Polyethylene feem ntau yog Thermoplastic tsim los ntawm cov polymerization ntawm ethylene. Polyethylene tsis muaj ntxhiab, tsis- pakic, thiab muaj qhov kub tsis kam (tsawg kawg uas siv kub -100℃rau -70 degree). High-ceev polyethylene (HDPE), feem ntau yog hu ua cov roj qis polyethylene, yog ntau ruaj dua LDPE thiab LLDPE. Nws muaj lub siab tiv thaiv kom sov, roj, chav, thiab kev ntxhov siab ib puag ncig kev ntxhov siab. Nws kuj muaj rwb thaiv hluav taws xob zoo, cuam tshuam, thiab txias tsis kam.
Feem ntau, thaum tsim khoom qhib lub hnab, ob cov ntaub ntawv raw yog yuav ua granules lossis hmoov. Lawv tau muab rhaub thiab ua kom daig thiab ua rau hauv cov xov xwm zais cia, tom qab ntawd woven siv cov kab ke uas tsim nyog, thiab tom qab ntawd siv cov hlua khi lossis cov hnab ntim khoom tshwj xeeb. Rau lub hnab kev cai kev cai, cov knitted no cov knitted tuaj yeem xaws tuaj yeem xaws rau hauv ntau qhov ntau thiab tsawg. Polypropylene feem ntau yog siv, tab sis cov tuam txhab raw qee zaus siv siab siab {4} h siab polyethylene. Lub hnab qhib yog feem ntau sib xyaw nrog qis {{6} siab} siab polyethylene zaj duab xis rau waterproofing. Cov ntaub ntawv no yog cov ntaub ntawv yooj yim rau lub hnab ntim khoom, nrog lwm cov khoom ntxiv uas tau ntxiv thaum lub sijhawm ntau lawm.
Haum rau kev siv hauv cov tshuaj, cov ntaub ntawv tsim tsev, plastics, thiab kev lag luam mining.
Lawv tau siv nqa cov ntaub ntawv granular, hmoov, pellets, muaj cov hmoov nplej zom, chiv, ores, cov khoom lag luam ua liaj ua teb, thiab lwm yam. Lawv feem ntau muaj lub peev xwm ntawm 500kg mus rau 2 tons thiab zoo tagnrho rau siv nrog forklifts thiab cranes, ua rau lawv zoo tagnrho rau cov chaw ua haujlwm thiab tsheb thauj mus los.