Cov khoom xyaw tseem tseem ceeb ntawm cov ntawv ntim

Cellulose, Monicellulose thiab Lignin
Lub hauv paus tseem ceeb ntawm cov hnab ntawv suav nrog cellulose, hofficellulose thiab lignin. Cov khoom xyaw no yog cov ntaub ntawv raw tseem ceeb rau cov ntawv ua thiab tau muab rho tawm los ntawm cov nroj tsuag fibers. Muaj ntau txoj kev xaiv rau cov ntawv ntim hnab, cov uas yog daim duab qhia los dawb duab, kraft daim ntawv, cov ntawv dub thiab ntawv theej. Cov duab luam dawb yog cov khoom ruaj, ruaj thiab du, thiab yog siv hauv thicknesses ntawm {{grams; Kraft daim ntawv yog paub rau nws cov siab tawv thiab kev sib tw, thiab haum rau ib leeg-xim lossis ob-xim tshuab luam ntawv; Cov duab dub dub yog cov khoom thiab ruaj khov tab sis tsis tuaj yeem luam tawm. Cov qauv xim; coated ntawv muaj zoo dawb huv whiteness thiab ci thiab haum rau luam ntawv uas yuav tsum muaj peb-seem nyhuv; Cov ntawv tshwj xeeb muaj cov haujlwm ntau dua thiab cov yam ntxwv thiab tsim nyog rau cov kev xav tau. ‌