Niaj hnub no nws tsis yooj yim rau ntseeg hauv no, tab sis tsis ntev los no, cov hnab yas tau ua ib qho txiaj ntsig zoo thiab txawm tias qhov kev tsis txaus ntseeg, thiab tsis yog ib hom kev ntim khoom pov tseg. Muaj hmoo lub sij hawm tau hloov rau qhov zoo dua thiab nyob rau hauv yuav luag txhua chav tsev neeg koj yuav nrhiav tau ib tug yob ntawm cov zaub mov polyethylene los yog polyvinyl chloride zaj duab xis. Mistresses txaus siab hlo txhua yam zoo ntawm cov khoom siv no thiab siv nws zoo heev rau kev khaws cov khoom, packing ntau cov khoom noj thiab ua mov noj. Thiab tag nrho cov feem ntau nthuav txog cov khoom noj khoom haus zaj duab xis koj kawm tau los ntawm peb tsab xov xwm.
Zaj duab xis rau khoom noj khoom haus
Ua ntej, cia wb tau ntsib nrog tus heroine ntawm peb tsab xov xwm closer. Cov khoom noj khoom haus yuav ua tau yog polyethylene los yog polyvinyl chloride (PVC). Thiab txawm hais tias nws tsis yooj yim rau tus sau cia kom paub qhov txawv ntawm ib leeg thaum pom thawj zaug, muaj qee yam sib txawv hauv lawv cov yeeb yam. Lub ntsiab yog ib qho ua tiav hlo roj thiab dej tuaj yeem ntawm cov yeeb-tshuaj polyethylene hauv kev sib piv rau nws cov "ua pa" PVC txheeb ze. Nyob rau hauv no hais txog, lub zaj duab xis ua los ntawm ob peb txheej txheej ntawm polyethylene yuav siv tsuas yog rau cov khoom noj txias, piv txwv li, rau ntim scraps , zaub, txiv hmab txiv ntoo, qhob cij. Cov khoom nyob rau hauv xws li lub plhaub yuav tsis tuaj yeem raug cuam tshuam txog kev puas tsuaj ntawm ib puag ncig thiab yuav ua kom lawv cov khoom nyob thoob plaws hauv lub neej ntawm qhov khoom. Lub sim kom ntim ib yam dab tsi hauv ib lub hnab yas yeeb yaj kiab yuav xaus nyob rau hauv lub fiasco tiav: nws yuav tsuas shrink thiab poob nws cov khoom tiv thaiv. Tsis yog qhov zoo tshaj plaws, polyethylene reacts rau ib ncua sij hawm poob hauv qhov kub thiab txias - hauv lub freezer nws yuav ua sai ua pos huab thiab ua nkig. Tab sis PVC-zaj duab xis yuav zoo tiv thaiv nrog ob qho tib si kub thiab khov khoom noj, thiab tais raws li nws yuav tsis poob nws attractiveness thiab yuav tsis pos huab. Tsis tas li ntawd, nws yog qhov tsis zoo rau cov rog thiab acids, uas rov ua kom nws zoo tshaj plaws rau cov khoom noj mov tshiab. Tshaj li, lub peev xwm los tiv tau txaus kub muaj peev xwm siv tau xws li ib zaj yeeb yam txawm nyob rau hauv ib lub qhov cub microwave, piv txwv li, kom rov qab plab tais yam tsis tshem lub ntim. Ntxiv mus, cov yeeb yaj duab zoo li no muaj ntau yam - ob qho tib si ntawm cov ntaub ntawv no muaj peev xwm ncab yuav luag txog peb zaug lawv thawj qhov siab thiab ua haujlwm zoo rau txhua qhov chaw. Tag nrho cov no yuav ua rau koj yuav luag cov pob khoom yuav luag txhua yam thiab cov loj me me, tsis tas siv cov tog neeg sab nraud pov npav thiab cov latches. Thiab nws yuav ua tau ob leeg nrog kev pab los ntawm tshwj xeeb packing cav tov, thiab los ntawm tsiv lub yob ntawm zaj duab xis los ntawm txhais tes.
Muab cov khoom noj ntsev pov tseg
Ib qho chaw tshwj xeeb ntawm cov zaub mov ntim khoom yog shrink zaj duab xis. Nws cov yam ntxwv ntawm tus cwj pwm yog qhov peev xwm los cog lus qis hauv tshav kub thiab coj cov duab ntawm qhov khoom yuav tsum tau ntim. Nws tau pom cov ntaub ntawv thov nyob hauv kev lag luam, qhov twg ntau yam khoom noj khoom haus tau ntim rau hauv xws li ib zaj yeeb yaj kiab. Hauv qhov no, cov yeeb yaj kiab tseem tshav siab, thiab yog li ntawd tus neeg tau txais kev pab muaj lub sijhawm rau tag nrho
Thickness ntawm cov khoom noj khoom haus zaj duab xis
Txuj ci cov khoom noj polyethylene yog muaj nyob rau hauv thickness ntawm 6, 7.5 lossis 8 microns. Rau PVC zaj duab xis rau zaub mov noj, qhov kev ntsuas no yuav yog 8, 9, 10, 12 lossis 14 microns. Thaum xaiv lub thickness, koj yuav tsum tsom rau hom khoom uas yuav muab ntim. Yog li ntawd, rau ntim cov txiv hmab txiv ntoo, txiv hmab txiv ntoo, nceb thiab zaub, ib zaj duab xis PVC nrog cov thickness ntawm 9 microns. Thiab rau nqaij, ntses thiab cov khoom tiav ib nrab, koj yuav tsum nqa ib zaj duab xis nrog ib lub thickness ntawm 12-14 microns.