Cov plastics tau siv dav hauv peb lub neej nyob. Muaj ntau hom ntaub ntawv yas. Peb feem ntau pom lawv hauv lub thawv ntim ntim yas, yas qhwv, thiab lwm yam siv tau siv cov khoom lag luam yas, vim yog cov khoom noj yog qhov kev lag luam ntau tshaj plaws. Nws yog ze rau cov khoom ntawm tib neeg lub neej, thiab ntau yam khoom noj muaj ntau yam thiab dav, yog li muaj ntau cov ntawv thov ntawm cov zaub mov-khoom noj.
Taw qhia txog cov khoom noj qib qib
Xuas
Tsiaj yas feem ntau siv los ua cov hwj yas, dej haus thiab lwm yam khoom. Cov hwj yas cov dej hauv dej thiab cov neeg haus dej ntau npaum li cas cov neeg yuav khoom ntim cov tsiaj ntawv kom zoo.
Muab kev nyab xeeb rau kev nyab xeeb: Tus tsiaj tsuas haum rau chav tsev kub lossis dej txias, tsis yog rau cov khoom noj txias. Yog tias qhov ntsuas kub yog overheated, lub raj mis yuav tso cov tshuaj lom lom uas tuaj yeem ua rau mob qog noj ntshav. Yog tias cov tsiaj lub raj mis siv ntev dhau, nws yuav cia li tso cov tshuaj lom, yog li yuav tsum tau siv los khaws lwm cov zaub mov rau lub sijhawm ntev, yog li tsis cuam tshuam rau kev noj qab haus huv.
PP
PP yas yog ib qho ntawm feem ntau cov huab cua. Nws tuaj yeem ua rau ntim yas rau cov khoom yas, xws li cov khoom yas tshwj xeeb rau cov khoom noj, cov khoom noj yas kom nyab xeeb thiab muaj qhov kub tsis kam. , Pp tsuas yog cov yas tsuas tuaj yeem ua kom sov hauv qhov cub microwave, thiab muaj high-zog folding kuj (50,000 zaus), thiab nws yuav tsis raug puas thaum ntog los ntawm qhov siab ntawm AT-20 ° C.
Nta: Lub hardness yog qis dua Opp, tuaj yeem ua xyab (ob-txoj kev ncab) thiab tom qab ntawd rub mus rau hauv ib daim duab peb sab, hauv qab daim nyias nyias (hnab ntawv), cov khoom siv thoob. Transparency tsis zoo dua li opp
HDPE
HDPE yas, feem ntau paub raws li high-ntom polyethylene, muaj kev ua haujlwm kub siab dua, muaj zog dua, tshuab muaj zog thiab tshuaj lom neeg. Nws yog cov tsis muaj tshuaj lom thiab cov khoom siv nyab xeeb thiab feem ntau siv nyob rau hauv kev tsim cov khaub noom yas. Nws hnov zoo li nkig thiab feem ntau siv rau lub hnab tsho khuam.
Muab kev nyab xeeb rau kev nyab xeeb: cov yas ntim khoom ua los ntawm HDPE tsis yooj yim los ntxuav, yog li tsis pom zoo tsis pom zoo. Zoo tshaj plaws kom tsis txhob muab tso rau hauv lub microwave.
Ldpe
LDPE yas, feem ntau yog hu ua tsawg dua polyethylene, yog mos kom kov. Cov khoom tsim nrog nws muaj cov yam ntxwv ntawm tasteless, tsis muaj ntxhiab, tsis muaj tshuaj lom thiab mob hnoos qeev. Feem ntau siv hauv cov khoom yas rau cov khoom noj, daim yeeb yaj kiab rau cov zaub mov ntim, tshuaj, ntim ntaub ntim khoom, ntim khoom yas thiab lwm yam.
Zais kev nyab xeeb kev phom sij: LDPE tsis yog kub tiv thaiv, thiab feem ntau kub yaj tshwm sim thaum qhov kub tshaj 110 ° C. Yuav tsis muab cov khoom noj khoom noj khoom haus cov zaub mov thiab ua kom muaj cov roj uas tsis muaj roj nyob hauv cov ntaub qhwv cov ntaub qhwv tau yooj yim.
Ib qho ntxiv, yuav ua li cas xaiv lub hnab yas rau cov khoom noj?
Ua ntej, ntim ntim hnab yas rau cov zaub mov tsis muaj ntxhiab thiab tsw thaum lawv tawm ntawm lub hoobkas; Cov hnab yas ntim nrog cov ntxhiab tshwj xeeb tsis tuaj yeem siv los tuav cov zaub mov. Thib ob, ntim cov hnab yas ntim ntim (xws li xim liab lossis dub tam sim no ntawm kev ua lag luam) tsis tuaj yeem siv rau cov hnab yas zaub mov. Vim tias cov hnab ntim khoom ntim cov hnab yas ntim feem ntau ua los ntawm cov khib nyiab rov ua kom qhuav. Thib peb, nws yog qhov zoo tshaj plaws yuav cov hnab yas rau cov khoom noj hauv khw muag khoom loj, tsis yog txoj kev muab khoom ntawm cov khoom tsis tuaj yeem lav.
Lub Sijhawm Post: Sep-30-2022