Ib daim ntawv kraftvalve hnab cementyog ib hom tshwj xeeb ntawm lub hnab ntim khoom tsim los rau kev ntim thiab xa cov cement thiab cov ntaub ntawv zoo sib xws. Nws yog tsim los ntawm kraft ntawv, uas yog ib tug muaj zog, ruaj, thiab recyclable ntawv cov ntaub ntawv uas feem ntau siv rau ntim. Cov yam ntxwv tseem ceeb ntawm lub hnab no yog kev koom ua ke ntawm lub valve, uas tso cai rau kev tswj cov dej ntws ntawm cov cement yam tsis tas yuav tsum tau tipping lub hnab lossis ua lub qhov. Lub valve no feem ntau nyob rau hauv qab ntawm lub hnab thiab tuaj yeem yog sab hauv lossis sab nraud.
Cov hnab no tau tsim los ua micro-perforated rau breathability qhov tsim nyog thiab feem ntau tuaj nrog cov kev xaiv luam ntawv zoo, tso cai rau cov khoom lag luam thiab cov ntaub ntawv tso tawm. Lawv muaj nyob rau hauv ntau qhov ntau thiab tsawg, thiab yog tsim los tiv thaiv cov kua muag thiab ruptures, kom muaj kev nyab xeeb kev thauj mus los thiab khaws cia cov ntsiab lus.
Kraft daim ntawv valve cement hnab kuj tseem paub txog lawv cov txiaj ntsig ib puag ncig, vim tias lawv tuaj yeem tsim los ntawm FSC ntawv pov thawj lossis cov ntawv siv rov ua dua tshiab, pab txhawb kev ntim khoom kom ruaj khov. Lawv tau siv dav hauv kev tsim kho kev lag luam thiab tsim nyog rau ntim lwm cov ntaub ntawv xws li hmoov nplej, chiv, thiab cov khoom siv hauv tsev.
