Kev tiv thaiv ib puag ncig, ruaj khov thiab ua kom zoo nkauj
Cov yam ntxwv tseem ceeb ntawm cov ntawv ntim suav nrog kev tiv thaiv ib puag ncig, durability thiab zoo nkauj. Lub hnab ntawv yog ua los ntawm ntawv. Piv nrog hnab yas, cov hnab ntim yog ntau ib puag ncig ua phooj ywg vim tias lawv tuaj yeem rov ua dua tshiab thiab cov txheej txheem ntau lawm tsis muaj kev cuam tshuam rau ib puag ncig. Lub hnab ntim ntawv kuj muaj cov pa hluav taws xob permeability thiab noo noo nqus nqus, thiab tsis yooj yim los ua viute ib puag ncig. Ib qho ntxiv, cov hnab ntawv ntim tau zoo thiab cov luam ntawv zoo, uas tuaj yeem qhia meej thiab xim qoj ib qho thiab txhim kho cov duab ntawm cov khoom.
Muaj ntau hom ntawv ntim cov ntawv, haum rau ntau lub hom phiaj. Cov hnab ntim ntawv ntim cov hnab ntim khoom, cov qauv khoom siv hauv qab, thiab cov hnab ntim khoom noj, thiab lwm yam. Nak, DCK, BBK, lwm yam.
Cov keeb kwm ntawm cov ntawv ntim tuaj yeem raug xa rov qab mus rau lub sijhawm thaum ub. Nrog kev txhim kho ntawm kev paub txog ib puag ncig, hnab ntawv tau dhau los. Keeb kwm ntawm cov ntawv ntim tuaj yeem raug mus rau sab hnub tuaj Han dynasty hauv Suav teb hauv 105 AD, thaum lawv tau siv los qhwv cov qoob loo thiab pub. Nrog rau kev txhim kho thiab txhim kho cov ntawv, kev tsim cov ntawv ntim me me los ua neeg nyiam siv los ntawm cov tub lag luam hauv tsev European nyob rau xyoo pua 18th. In recent years, with the improvement of sustainable development and environmental awareness, paper bags have become popular again, and many merchants and consumers choose to use paper bags instead of plastic bags to reduce plastic pollution.
