Lub thawv ntawv tawg kab muaj teeb meem ntau heev! Cov txuj ci siv tau ntawm cov kab tawg

1. Cov dej noo ntawm covcov thawv hempyuav tsum tau ua tiav tsawg dhau (cov ntawv cardboard qhuav dhau)
Qhov no yog qhov laj thawj tseem ceeb vim li caslub thawv luam yeebtawg. Thaum cov dej noo ntawmlub thawv luam yeebyog qis, qhov teeb meem ntawm kev tawg yuav tshwm sim. Feem ntau, thaum cov dej noo qis dua 6% (zoo dua tswj ntawm 8% -14%), qhov teeb meem no yuav pom tseeb heev. Vim tias thaum cov dej noo txo ​​qis, cov fiber ntawmlub thawv ntawv luam yeebCov ntawv cardboard yuav ntsws, qhov yooj ywm yuav txo qis, qhov brittleness yuav nce ntxiv, thiab qhov tensile, kev cuam tshuam, kev quav thiab lwm yam khoom yuav phem dua, tshwj xeeb tshaj yog thaum cov dej noo tsawg dua 5%, cov ntawv cardboard yuav poob nws qhov toughness; ua rau muaj teeb meem kab tawg.

2. Qhov cuam tshuam ntawm daim ntawv siv raucov thawv luam yeeb
Hom thiab lub zog ntawm daim ntawv siv rau hauvlub thawv hempyuav muaj qee qhov cuam tshuam rau qhov teeb meem ntawm lub thawv luam yeeb tawg. Hom thiab lub zog ntawm cov ntawv hauv paus feem ntau yog sib txawv raws li qhov chaw ntawm cov ntoo pulp siv rau hauv daim ntawv, ntau yam ntawm cov ntoo pulp, thiab qib ntawm cov ntoo pulp cov ntsiab lus. Yog li ntawd, kuj muaj ntau yam kev paub hauv kev yuav cov ntawv hauv paus, thiab peb yuav tsum tsom mus rau qhov zoo ntawm cov khoom siv raw es tsis yog tus nqi.

3. Qhov cuam tshuam ntawm qhov tuab ntawmcov thawv luam yeeb
Thaum tsim khoom tiag tiag, pom tau tias qhov tuab ntawm cov thawv luam yeeb muaj qee yam cuam tshuam rau qhov teeb meem ntawm cov thawv luam yeeb tawg. Lub thawv luam yeeb tuab dua, qhov ntau dua ntawm cov txheej saum npoo thiab cov txheej sab hauv ntawm daim ntawv cardboard thaum lub sijhawm txiav thiab nias. Yog li ntawd, ntau yam ntawm cov ntawv cardboard kuj yog ib feem ntawm qhov laj thawj.