Kraft ntawv hnab yog ib puag ncig zoo dua li cov hnab yas

Kraft daim ntawv hnab thiab hnab yas feem ntau siv hauv peb lub neej. Lawv muaj lawv tus kheej zoo. Cia peb saib qhov kev sib piv ntawm lawv, kom txhua tus tuaj yeem xaiv thiab siv tau zoo dua.

Txhua tus paub tias ib zaug cov hnab yas tau tsim, lawv nyuaj rau degrade ib txwm. Lawv tuaj yeem nyob tau ntau pua xyoo lossis ntau txhiab xyoo. Vim tias cov hnab yas pheej yig dua los tsim, cov khw muag khoom hauv Asmeskas feem ntau xaiv lawv, tab sis San Francisco txwv cov neeg siv khoom siv cov hnab yas. Nyob rau hauv lub neej yav tom ntej, tsuas yog biodegradable hnab yas los yog cov hnab ntawv rov qab siv dua. Biodegradable hnab yas tuaj yeem decompose nyob rau hauv lub hlis es tsis txhob ntau pua xyoo.

Kraft daim ntawv hnab yog txawv. Kraft daim ntawv yog cov khoom siv rov ua dua tshiab. Cov ntaub ntawv raw rau papermaking yog cov nroj tsuag fibers. Ntxiv rau peb lub ntsiab lus tseem ceeb ntawm cellulose, hemicellulose thiab lignin, muaj lwm cov khoom uas muaj cov ntsiab lus tsawg, xws li resin, tshauv, thiab lwm yam, ntxiv rau sodium sulfate, thiab lwm yam Cov khoom xyaw. Cov khoom siv raw rau kraft ntawv ntau lawm yog ntoo, uas yog ib qho khoom siv dua tshiab. Nws muaj cov yam ntxwv ntawm kev degradable thiab recyclable, yog li nws yog ib txwm sau nrog daim ntawv ntsuab.