Yuav ua li cas xaiv lub raj mis yas?

Tnws txoj kev loj hlob keeb kwm ntawm lub raj mis yas:

Nyob rau hauv lub 80s ntawm lub xyoo pua 20th, nrog rau cov kev taw qhia tas mus li ntawm advanced yas lub raj mis ntau lawm kab los ntawm txawv teb chaws, lub prelude los hloov "iav" nrog "yas" ncaws tawm, thiab yas hwj tau lug siv nyob rau hauv lub teb ntawm ntim. Lub raj mis yas yog cov khoom siv tsis muaj tshuaj lom neeg xws li high-density polyethylene (HDPE), polyester (PET), polypropylene (PP), polycarbonate (PC) ua cov ntaub ntawv tseem ceeb, siv cov yas molding tshuab thiab khoom siv los tsim ntau yam. lub raj mis yas, feem ntau muaj ntau yam tshuaj ntsiav, granules, ntsiav tshuaj, hmoov, tshuaj gel, kua qhov ncauj thiab lwm yam khoom thiab kua.

Tnws siv lub raj mis yas:

Tam sim no, feem ntau ntawm cov tshuaj, khoom noj khoom haus noj qab haus huv, thiab ntau yam khoom noj thiab dej haus uas muag hauv khw muag khoom tau ntim rau hauv lub raj mis yas, thiab koj tuaj yeem pom cov khoom ntim rau hauv lub raj mis yas txhua qhov chaw hauv khw muag tshuaj lossis khw muag khoom loj. Cov tshuaj thiab khoom noj khoom haus kev noj qab haus huv feem ntau yog siv lub raj mis polyester (PET fwj) thiab lub raj mis polyethylene high-density (HDPE fwj), dej haus tsuas yog siv cov fwj polyester (PET), thiab cov khoom siv niaj hnub xws li tshuaj zawv plaub hau thiab da dej gel siv cov raj mis polyethylene siab (HDPE). cov raj mis). Qhov loj tshaj plaws ntawm lub raj mis yas yog lub teeb thiab tsis tawg, huv si thiab zoo nkauj, thiab qee qhov ntawm nws cov kev qhia thiab ntau cov ntaub ntawv qhia tau hais tias nws cov tshuaj tiv thaiv, dej vapor nkag mus rau sealing kev ua tau zoo, nws ua tiav.

Nws tuaj yeem ua lub luag haujlwm hauv kev tiv thaiv kev nyab xeeb thiab kev tiv thaiv ntawm cov khoom uas tau teeb tsa hauv lub sijhawm siv tau.

Tnws lub hauv paus ntsiab lus ntawm kev xaiv lub raj mis yas:

1. Tsis muaj teeb meem dab tsi raw cov ntaub ntawv raug xaiv rau lub raj mis yas, ua ntej ntawm tag nrho cov, nws yuav tsum ua tau raws li qhov yuav tsum tau ntawm non-toxic, tsis peculiar tsw, thiab lwm yam, vim muaj ntau yam ntawm raw cov ntaub ntawv tseem ceeb muaj rau xaiv, uas yuav tsum tau cov kev kev ua tau zoo ntawm cov khoom siv raw yuav tsum tau xaiv, cov ntsiav tshuaj dav siv cov khoom siv high-density polyethylene, polypropylene fwj, xws li kev xav tau ntawm cov pob tshab tuaj yeem siv polyester fwj (PET fwj) xws li kev xav tau kev ua haujlwm siab dua, thiab lub teeb thaiv, opaque, tom qab ntawd Kev siv cov xim av PET lub raj mis kua ntau npaum cov tshuaj feem ntau siv cov fwj polypropylene lossis polyester fwj ua cov ntaub ntawv tseem ceeb.

Tam sim no, lub raj mis ntim khoom noj khoom haus hauv tsev thiab cov khoom noj qab haus huv thiab khoom noj khoom haus yog tsim los ntawm cov khoom siv PET lossis HPDE, thiab lub raj mis yog ua los ntawm cov khoom siv PP.

2. Lub raj mis lub cev thiab lub hau nruj, dej vapor permeability. Tightness thiab dej vapor permeability yog ob qho kev qhia tseem ceeb ntawm cov hwj yas, uas ua lub luag haujlwm tseem ceeb hauv kev ruaj ntseg ntawm cov khoom ntim.

3. Cov khoom siv lub raj mis yas cov qauv zoo. Los ntawm cov khoom lag luam zoo ntawm cov chaw tsim khoom, qhov zoo ntawm cov khoom tuaj yeem txheeb xyuas thiab txiav txim.

4. Kev ruaj ntseg zoo. Kev soj ntsuam cov neeg muag khoom tau dhau los ua ib feem tseem ceeb ntawm kev yuav lub raj mis yas. Los ntawm kev txheeb xyuas, cov txheej txheem ntawm cov software thiab cov khoom siv kho vajtse, cov cuab yeej cuab tam thiab cov khoom tsim tau zoo tuaj yeem raug ntsuas thiab raug ntsuas.

5. Cov khoom siv thib ob yuav tsum tsis txhob siv rau kev ntim tshuaj, khoom noj khoom haus, khoom noj thiab dej haus.