Standard Requirements rau Stretch Film Raw Materials

Yog tias tsis muaj cov txheej txheem rau kev tsim, siv, ntim thiab lwm yam ntawm cov khoom, yuav muaj ntau yam teeb meem, uas ua rau kev siv cov khoom no tsis zoo. Stretch zaj duab xis yog tib yam, cov txheej txheem yuav tsum tau ua ntawm nws cov ntaub ntawv raw, ces qhov zoo ntawm cov khoom yuav tau lav. Tab sis qhov teeb meem yog tias tam sim no ntau cov tuam txhab xav tias cov khoom lag luam me, nws qhov zoo, kev ua tau zoo thiab lwm yam tsis muaj teeb meem, tab sis kuj xav tias cov khoom siv ntawm cov khoom siv tau zoo li cas, yog li tam sim no ntau tus neeg yuav yuav qee yam. cov khoom tsis zoo, rub tawm. Yog li, cov khoom siv raw ntawm cov khoom tseem ceeb heev, yog li dab tsi yog cov qauv rau cov khoom siv raw?

1, tsis muaj dub impurities, pwm lub taub hau ntxuav kom huv si, tsis muaj burnt yas poob rau hauv, yog tias qhov muag liab qab tuaj yeem pom yuav tsum tau muab tshem tawm tam sim.

2, daim ntawv raj yuav tsum tau ua kom zoo, tsis yog ib sab ntev thiab ib sab luv. Cov npoo ntawm txhua sab yog li 1 cm.

3, cov ntaub ntawv ntug tau tawg kom txiav kom zoo, yog tias qhov tsis sib xws tsis tuaj yeem raug xa tawm raws li cov khoom tiav. Xws li thaum ua cov khoom, ob qhov kawg yuav tsum tau dov kom zoo, tsis yog ntau dua ntawm ib sab thiab tsawg dua ntawm lwm qhov.

4, kom deb li deb tau kom txo tau ob qhov kawg ntawm qhov chaw folds thiab nruab nrab ntawm cov kab dawb nias (qhov no yuav cuam tshuam rau qhov zoo nkauj degree).