Styrofoam Kua Nplaum: Yuav Ua Li Cas Lo Nplaum Styrofoam Rau Pob Zeb Ua Ke Ntawm Phab Ntsa? Ua Kua Nplaum Thiab Lwm Hom Khoom. Koj Tuaj Yeem Ua Li Cas Rau Cov Yas, Hlau Thiab Ntoo?

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Nthuav tawm polystyrene, uas neeg feem coob hu ua Styrofoam, yog cov khoom siv tsis muaj dej, lub teeb lub tsev uas muaj cov cua sov zoo. Nws tau nrov thiab nthuav dav rau ntau caum xyoo. Heev feem ntau nws yog siv rau pem hauv ntej, sab hauv thiab rwb thaiv tsev hauv pem teb. Txawm li cas los xij, qhov zoo ntawm kev teeb tsa thiab kev ua tau zoo ntawm cov vaj huam sib luag ncaj qha rau ntawm kev xaiv thiab siv cov nplaum. Tias yog vim li cas nws yog ib qho tseem ceeb kom paub yuav ua li cas thiab yuav ua li cas ua kua nplaum rau ntawm qhov chaw sib txawv kom raug.

Txheej txheem cej luam ntawm yam khoom

Cov kws tshaj lij uas paub ua haujlwm ntawm cov phiaj xwm tsim kho loj tsis ntsib teeb meem hauv kev xaiv cov khoom siv. Yog tias koj xav xaiv thiab siv cov kua nplaum ua kua hauv tsev, tom qab ntawv nws tau pom zoo kom kawm cov ntaub ntawv cuam tshuam. Los ntawm txoj kev, cov lus piav qhia feem ntau siv los kho kom zoo nkauj tsis tsuas yog sab nrauv (sab nrauv), tab sis kuj tseem sab hauv ntawm phab ntsa ntawm ntau thaj chaw, suav nrog cov chaw nyob. Qee zaum cov ntawv ntsa txawm tias tau lo rau ua npuas dej, siv cov kua nplaum tsis lo.

Cov ntaub ntawv muaj rau kev teeb tsa hnub no tuaj yeem faib ua hom hauv qab no:

• sib tov qhuav, suav nrog cov nplais nplaum;
• kua formulations;
• polyurethane nplaum;
• polyurethane ua npuas ncauj.

Nyob rau tib lub sijhawm, tsis hais txog hom kev nthuav dav polystyrene nws tus kheej, nrog rau cov yam ntxwv ntawm lub hauv paus uas yuav ua haujlwm, nws yog qhov tsim nyog yuav tsum nco ntsoov cov yam ntxwv tseem ceeb hauv qab no ntawm ib qho kev sib xyaw ua ke:

• lub zog;
• ya raws tsis kam;
• Frost tsis kam;
• ziab los yog polymerization lub sij hawm;
• lub neej sij hawm;
• noj;
• tus nqi rau cov nyiaj.

Ua ntej yuav thiab siv kua nplaum rau gluing daim hlau thiab lwm yam khoom ua npuas ncauj, nws raug nquahu kom them sai sai rau cov yam ntxwv tshwj xeeb. Thiab, tshwj xeeb, peb tab tom tham txog kev sib xyaw ua ke.

Qhuav sib tov

Tau ntev, xws li cov hmoov sib xyaw tau nthuav dav thiab ua tiav siv hauv kev ua haujlwm sab nrauv thiab sab hauv. Tus yuam sij rau qhov ua tau zoo ntawm cov muaj pes tsawg leeg thiab kev sib xyaw nws tus kheej yuav yog qhov raug ntawm nws qhov kev npaj. Nws yog ib qho tseem ceeb kom ua raws li cov khw tsim cov lus qhia ua tib zoo. Thaum xaiv cov nplaum qhuav, nws yog qhov tsim nyog yuav tsum tsom mus rau cov ntsiab lus tseem ceeb hauv qab no.

1. Lub zog siab zog.
2. Kev ruaj khov ntawm kev sib txuas. Raws li qhov sib piv, nrog rau kev thov raug ntawm kev npaj ua tiav rau cov ntawv ua npuas dej, lawv tuaj yeem kav ntev li 30 xyoo.
3. Lub peev xwm los siv rau ntau yam haujlwm.
4. Tus nqi pheej yig tus txheeb ze.

Hauv cov txheej txheem xaiv thiab yuav cov kua nplaum sib xyaw qhuav, nws yog ib qho tseem ceeb tsom mus rau lub neej txee. Hauv qhov xwm txheej nrog cov khoom lag luam zoo los ntawm cov tuam txhab muaj npe nrov, nws tsis pub ntau tshaj 1 xyoos. Lwm lub ntsiab lus tseem ceeb yog khaws cia cov kua nplaum.

Polyurethane ua npuas ncauj nplaum

Hom nplaum no, tsim tshwj xeeb rau nthuav polystyrene thiab muab los ntawm cov tuam ntxhab hauv cov thooj voos kheej kheej, tau tshwm sim ntawm cov khoom lag luam hauv tsev tsis ntev dhau los. Nyob rau tib lub sijhawm, cov kua nplaum tau txais koob meej ntawm cov ntaub ntawv teev tseg thiab tam sim no tau siv los ntawm ob tus kws tshaj lij thiab cov kws tshaj lij hauv tsev. Thaum txheeb xyuas nws cov peev txheej ua tau zoo, nws tsim nyog xav txog cov yam ntxwv tseem ceeb hauv qab no.

1. Yooj yim siv . Nws yog qhov zoo tshaj plaws los siv tus ntsia thawv txhawm rau siv cov tshuaj sib xyaw rau saum npoo kom koom nrog.
2. Versatility . Polyurethane-based ua kua nplaum tau ua pov thawj los ua kom tiav nrog ua npuas dej ntawm yuav luag txhua qhov chaw, ntxiv rau koom nrog cov vaj huam sib luag ua ke.
3. Ua kom muaj zog ntxiv thiab durability ntawm fixation.
4. Tus nqi sib tw thiab muaj peev xwm tshaj plaws.

Qhov zoo ntawm kev sib koom ua ke yog nyob ntawm qhov tsis sib xws ntawm daim ntawv thov cov nplaum polyurethane. Qhov no hais txog kwv yees li qhov sib nrug ntawm cov ntsiab lus.

PVA

Qhov txiaj ntsig tseem ceeb ntawm polyvinyl acetate yog nws muaj thiab tus nqi qis. Qee qhov xwm txheej, cov kua nplaum no tau siv txawm tias thaum txhim kho extruded polystyrene ua npuas ncauj. Txawm li cas los xij, ib tus yuav tsum coj mus rau hauv tus account qhov tsis txaus ntseeg ntawm kev sib txuas.

Muab cov yam ntxwv ua tau zoo no, PVA feem ntau siv hauv kev xaws. Yog tias nws tau siv thaum nws tsim nyog los lo ua npuas dej ntawm lub ntsej muag tshwj xeeb, tom qab ntawd txhawm rau txhawm rau txhim kho qhov kev txhim kho kom zoo, muaj pes tsawg leeg tau thov hauv ob txheej, thiab tshwj xeeb dowels kuj tau teeb tsa.

Tam sim no cov piv txwv nrov tshaj plaws ntawm kev sib xyaw raws polyvinyl acetate yog raws li hauv qab no

1. PVA-MB - kua nplaum, uas muaj cov yas yas, uas ua rau nws siv tau yooj yim dua thiab txhim kho qhov ua tau zoo.
2. " Lub sijhawm koom nrog " - lub cuab yeej siv thoob ntiaj teb nquag siv los ua haujlwm kho. Cov kua nplaum mus muag hauv cov pob ntawm 0, 1-30 kg. Qhov sib xyaw ua ke no yog qhov tshwj xeeb los ntawm lub sijhawm ziab kom qhuav thiab txhim khu kev qha.

Los ntawm txoj kev, qee tus kws tshaj lij muab cov yas ua npuas rau PVA txawm tias yog cov hlau hauv paus. Hauv txoj ntsiab cai, qhov no tuaj yeem ua tau, tab sis ntawm no nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov xav tau siv lub ntsej muag zoo li tus neeg sib tw, nrog rau kev siv cov kua nplaum ntau ntxiv.

Polyurethane ua npuas ncauj

Nws yog qhov tsim nyog sau cia tam sim ntawd cov khoom no tsis yog npaj rau gluing cov khoom hauv nqe lus nug. Txawm li cas los xij, niaj hnub no ntau tus kws tshaj lij siv polyurethane ua npuas ncauj ua cov nplaum, suav nrog thaum txuas cov ntawv nthuav dav polystyrene mus rau cov hauv paus sib txawv. Nws qhov kev sib tw tseem ceeb muaj xws li:

• lub zog thiab ntev ntawm kev kho;
• yooj yim ntawm kev siv;
• muaj;
• tus nqi-kev ua tau zoo piv.

Txawm li cas los xij, txawm tias muaj ntau yam ua tau zoo ntawm cov ua npuas dej, nws tau pom zoo kom koj kawm cov lus qhia kom ntxaws ua ntej siv nws rau ua haujlwm ua npuas dej. Nws yog ib qho tseem ceeb coj mus rau hauv tus account tias hom kev nplaum no tuaj yeem siv ob qho tib si rau sab nrauv thiab sab hauv kho kom zoo nkauj.

Ntsia Ntsia

Ua ntej tshaj plaws, nws yog qhov tsim nyog yuav tsum tsom mus rau qhov muaj thiab tus nqi qis ntawm cov nplaum. Nyob rau tib lub sijhawm, lawv tsis zoo rau cov neeg sib tw hais txog kev sib txuas kev ntseeg tau thiab lub zog yam ntxwv. Tam sim no, Moment kua ntsia hlau yog cov ntaub ntawv sau tseg. Txhawm rau nce qib kev txhim kho thiab xyuas kom muaj kev ruaj khov ntawm kev sib txuas, kev teeb tsa thaum lub sij hawm teeb tsa ntawm dowels tso cai.

Nws tsim nyog sau cia tias txoj hauv kev no tseem txo qis kev siv cov khoom, thiab yog li cov nqi nyiaj txiag.

Koj tuaj yeem lo cov ntawv txheeb ua ke li cas?

Feem ntau nyob rau hauv cov txheej txheem ntawm insulating facades thiab ntau yam qauv, ntxiv rau thaum ua lwm yam haujlwm nrog cov ntawv ua npuas dej thiab cov vuas, lawv yuav tsum tau txuas nrog ua ke. Hauv cov xwm txheej zoo li no, lo lus nug yuav tshwm sim hais txog cov kua nplaum twg zoo tshaj rau qhov no. Hauv kev coj ua, cov kws paub dhau los nyiam siv cov qauv tshwj xeeb rau cov laj thawj no, uas txawv hauv cov yam ntxwv hauv qab no.

1. Lub zog thiab kav ntev ntawm kev kho.
2. Hws noo kuj.
3. Versatility
4. Kev tiv thaiv kom hloov pauv qhov kub thiab lwm yam tsis zoo ntawm qhov chaw txhoj puab heev.

Qhov kev xaiv ua tau zoo tshaj plaws thiab xav tau yog xaiv rau polyurethane nplaum, uas tau tsim tshwj xeeb rau ua npuas dej . Ib ntawm lawv qhov txiaj ntsig tseem ceeb yog qhov tsis muaj cov khoom muaj peev xwm rhuav tshem cov qauv ntawm cov khoom. Ib qho ntxiv, peb tab tom tham txog kev tsim kom zoo, tab sis tib lub sij hawm feem ntau ruaj khov. Ib qho tseem ceeb tseem ceeb sib xws yog qhov yooj yim ntawm kev siv, nrawm ntawm polymerization, thiab, yog li ntawd, kev ua haujlwm ntawm kev teeb tsa ua haujlwm.

Qhov nruab nrab siv cov kua nplaum raws polyurethane yog los ntawm 200 txog 350 g rau ib square meter . Nws yog ib qho tseem ceeb nyob rau theem ntawm kev xaiv thiab yuav khoom los suav ua ntej, ntxiv txog 20% rau cov khoom lag luam. Raws li kev coj ua qhia tau tias, kev ua haujlwm ntawm cov nplaim ua ke nrog txhuam nrog cov nplej zoo pab txo kev siv.

Txawm li cas los xij, ntawm cov khoom siv polyurethane, cov npe ntawm cov txheej txheem rau gluing ua npuas ncauj tsis xaus qhov ntawd. Yog li, piv txwv li, yog tias tsis muaj lub zog siab tshaj plaws, tom qab ntawd tus nqi pheej yig PVA yog qhov tsim nyog . Hauv cov xwm txheej zoo li no, qhov tsis zoo tseem ceeb yuav yog qhov ua kom qhuav ntev ntawm cov kua nplaum. Heev feem ntau, tus tswv siv lub npe Titan hom kua nplaum, uas yog qhov txawv los ntawm lub zog zoo. Polyurethane ua npuas ncauj thiab txawm tias kub yaj kua nplaum kuj tseem tuaj yeem siv tau. Txhua yam yuav raug txiav txim siab los ntawm cov tseev kom muaj rau kev teeb tsa, thiab cov xwm txheej uas ua haujlwm sib raug.

Yuav ua li cas lo rau ntoo thiab ntawv?

Ib qho piv txwv yog cov xwm txheej uas koj xav lo cov tsiaj ntawv thiab lwm yam khoom ua los ntawm ua npuas ncauj rau plywood, duab los qhia, thiab txawm tias ntawv. Qhov kev daws teeb meem feem ntau ntawm no yuav yog siv polyvinyl acetate . Qhov tseeb yog tias PVA yog lub hauv paus sib xws nrog txhua yam ntawm cov ntaub ntawv teev tseg.

Tab sis nws yog ib qho tseem ceeb kom nco ntsoov tias cov nplaum no qhuav tawm ntev, thiab yog li ntawd cov pob qij txha tsis tuaj yeem kov tau thaum nruab hnub.

Lwm txoj hauv kev txuas polystyrene ua npuas dej rau lub hauv paus ntoo yog siv ntoo kua nplaum. Nws muaj peev xwm tsim kev sib txuas uas ntseeg tau tshaj plaws thiab tib lub sijhawm muaj kev nyab xeeb rau ua npuas dej nws tus kheej, uas yog, nws tsis xeb nws. Los ntawm txoj kev, ib qho ntawm nws cov kev xaiv yog casein kua nplaum, uas koj tuaj yeem ua nrog koj txhais tes raws li cov tsev cheese tsis muaj rog.

Kev sib raug zoo nrog lwm cov ntaub ntawv

Thaum gluing nthuav polystyrene panels, nws yog ib qho tseem ceeb kom tsis txhob ua yuam kev loj, uas feem ntau tuaj yeem muaj qhov tshwm sim loj. Hauv qhov no, ib qho ntawm cov ntsiab lus tseem ceeb tshaj plaws yuav yog cov yam ntxwv ntawm cov khoom siv uas ua npuas dej yuav tsum tau kho . Nrog kev pab los ntawm cov nplaum niaj hnub no, niaj hnub no cov ntawv piav qhia tuaj yeem txuas tau ruaj khov rau cov qhob, cib thiab lwm yam khoom siv hauv tsev, ntxiv rau hlau, txhuas, ntoo thiab txawm tias yas. Tau kawg, txhua qhov kev xaiv teeb tsa yuav muaj qee yam tshwj xeeb. Nrog rau qhov raug xaiv cov kua nplaum.

Nrog hlau

Feem ntau nws yuav tsum tau insulate ntau yam qauv hlau, cov npe uas suav nrog, piv txwv li, chaw rau tsheb, hloov lub tsev thiab lwm yam txheej txheem. Ntawm qhov one tes, ua raws txoj hauv kev tsawg kawg tiv thaiv, koj tuaj yeem kho ua npuas dej nrog cov xaim zoo tib yam. Txawm li cas los xij, raws li kev xyaum qhia, qhov no nyob deb ntawm qhov kev daws teeb meem zoo tshaj plaws. Ib qho ntawm cov kev xaiv teeb tsa tau zoo tshaj plaws yog siv daim pam ua ib hom gasket. Thaum ua tiav thaj chaw me me hauv thaj chaw, nws muaj peev xwm siv txawm tias muaj kab xev zoo ob npaug.

Ua kom raug thiab ua tib zoo ua ntawm lub hauv paus yuav yog tus yuam sij rau kev sib txuas zoo. Nws tau pom zoo kom ntxuav cov hlau nto los ntawm xeb, pleev xim thiab lwm yam kab mob, ntxiv rau degrease. Ncaj nraim rau gluing ua npuas ncauj, koj tuaj yeem siv:

• aerosol kua nplaum;
• silicone raws sealants;
• sib dhos thiab polyurethane ua npuas ncauj.

Qhov kev xaiv zoo tshaj plaws feem ntau yog siv ib qho kev tivthaiv polyurethane sib xyaw.

Qhov kev xaiv no yuav muaj feem cuam tshuam tshaj plaws thaum txuas cov ntawv los rau hauv lub hauv paus lossis cov hlau tsis sib luag.

Nrog daim ntaub

Ntau qhov kev sib txuas niaj hnub no yuav pab ua kua nplaum sib txawv ntawm cov ntaub los nthuav polystyrene lossis txhim kho txoj hlua (ntaub plaub) rau nws. Yog li, cov khoom sib xyaw no yuav ua rau nws ua tau PVA lossis kub yaj kua nplaum, uas tam sim no nrov. Nws yog ib qho tseem ceeb yuav tsum coj mus rau hauv tus account tias thawj zaug qhuav ntau dua, tab sis tib lub sijhawm muab kev sib txuas zoo dua. Cov kua nplaum ntau dhau ntawm cov pob qij txha thiab nqaws hauv ob qho tib si tuaj yeem tshem tawm nrog rab riam ntse kom lawv dhau los ua neeg pom.

Nrog yas

Kev txhim kho ua npuas dej ntawm cov yas yas yog nqa tawm hauv qhov feem ntau ntawm cov neeg siv polyurethane ua npuas dej, nrog rau cov kua nplaum epoxy ua ke nrog cov khoom tshwj xeeb tshwj xeeb hauv daim ntawv dowels. Thaum xaiv cov nplaum, nws yog ib qho tseem ceeb uas yuav tau them sai sai rau qhov tsis muaj cov khoom siv uas tuaj yeem cuam tshuam nrog ob qho kev nthuav dav polystyrene nws tus kheej thiab nrog yas. Cov npe ntawm cov chaw hauv cov lus nug tsis tsim nyog rau kev sib deev suav nrog cov hauv qab no.

1. Cov qauv uas muaj acetone, uas tau tso cai siv tsuas yog nyob rau theem npaj rau kev txo qis.
2. Derivatives ntawm roj av, uas yog, roj av, roj diesel, kerosene, xylene thiab cov tshuaj uas yog lawv cov analogues.
3. Dej cawv, uas tuaj yeem pom hauv cov nplaum, cov tshuaj ua ntej thiab ua kua.

Nrog qhob

Koj tuaj yeem xa cov polystyrene nthuav dav mus rau lub hauv paus no yam tsis muaj lub crate, uas yog, tsuas yog lo nws. Qhov no tuaj yeem ua tiav sab nraum lub tsev thiab sab hauv tsev. Los ntawm txoj kev, lawv ua tib yam nrog kev ua tiav cov cib ua tiav. Txhawm rau ua kom tiav txoj haujlwm, koj yuav xav tau lub hauv paus, cov khoom siv rau kev sib tov sib xyaw (tov nrog lub taub hau), kua nplaum nws tus kheej, nrog rau spatula rau thov nws.

Feem ntau ntawm cov xwm txheej, thaum ua tiav cov pob zeb ua tiav, lawv xaiv qhov zoo ntawm cov sib tov qhuav . Muab cov hmoov ntawd tov nrog cov dej huv hauv qhov sib piv uas tau qhia hauv cov khw muag khoom cov lus qhia. Tom qab kev npaj, cov txiaj ntsig tau tso cai rau brew me ntsis. Tus yuam sij rau kev ua kom tau zoo tshaj yuav yog kev npaj ua tiav ntawm lub hauv paus pob zeb.

Ntxiv nrog rau cov khoom lag luam hmoov, cov kws ua haujlwm hauv qee kis siv cov nplaum thiab kua rau tes.

Cov kua nplaum zoo tshaj plaws

Niaj hnub no, cov nplaum sib xyaw rau ntau yam kev tsim kho thiab ua haujlwm tiav yog tsim los ntawm ntau lub tuam txhab. Lawm, qhov no kuj siv rau kev sib xyaw rau kho polystyrene ua npuas ncauj. Ib qho ntawm cov neeg nyiam haum yog Soudal cov khoom lag luam … Hauv qhov no, peb tab tom tham txog lub tuam txhab Belgian tsev neeg tshwj xeeb, ntawm lwm yam, hauv kev tsim cov foob thiab cov tshuaj ua npuas dej raws li polyurethane. Rau ntau dua ib nrab xyoo, cov chaw tsim khoom no tau nthuav tawm cov khoom lag luam zoo ntawm lub khw hauv 130 lub tebchaws.

Raws li ntau qhov kev tshuaj xyuas, ib tus thawj coj tsis sib cav hauv kev lag luam yog Ceresit hom … Lub tuam txhab phau ntawv teev npe muaj ntau qhov sib xyaw sib xyaw tsim rau gluing ua npuas ncauj rau ib leeg, nrog rau lawv cov kev ntseeg tau txuas mus rau ntau lub hauv paus. Qhov tseem ceeb ntawm kev sib tw zoo ntawm cov khoom lag luam ntawm hom no suav nrog hauv qab no.

1. Ua kom tawv tawv (suav nrog hom kev sib xyaw ua ke 2-3 teev).
2. Ua kom muaj zog tiv taus qhov kub thiab txias. Piv txwv li, Ceresit ua npuas dej tuaj yeem tiv taus kev poob qis hauv thaj tsam ntawm -20 txog +40 degrees.
3. Zoo ya raws kuj.
4. Versatility.
5. Yuav siv tau ntawm txhua qhov chaw.

Cov chaw tsim khoom muab cov neeg siv khoom muaj peev xwm xaiv cov kua nplaum ntau. Peb tab tom tham txog kev sib tov qhuav zoo, aerosols thiab ua npuas rau siv sab nraum zoov thiab sab hauv tsev.

Lub npe nrov tom ntej yog Knauf . Tam sim no ntau yam khoom lag luam tau nthuav tawm hauv khw, uas yog tus yam ntxwv los ntawm:

1. lub zog thiab kav ntev ntawm kev sib txuas;
2. Frost tsis kam;
3. nce kev tiv thaiv rau qhov tsis zoo ntawm cov dej noo;
4. muaj peev xwm siv thaum ua haujlwm ntawm ib qho nyuaj, tsis hais txog kev ua haujlwm zoo li cas;
5. ceev ceev.

Lwm qhov chaw tsim khoom paub zoo yog Tytan … Lub tuam txhab tsim ntau hom nplaum, tshwj xeeb los ntawm lub zog thiab yooj yim siv. Cov khoom lag luam ntawm cov khoom lag luam no tau siv dav los ntawm cov khoom siv tes ua rau ua kua nplaum thiab kho nws ntawm ntau cov ntaub ntawv. Cov nplaum muaj feem cuam tshuam rau kev ua haujlwm sab hauv thiab sab hauv. Niaj hnub no, Tytan Styro-753 tau dhau los ua neeg nyiam tshaj plaws, uas muaj qhov zoo tseem ceeb:

1. polymerization tus nqi;
2. yooj yim ntawm daim ntawv thov rau ntawm qhov chaw;
3. tiv taus kub thiab qis kub;
4. lub zog zoo;
5. kev pom zoo ntawm tus nqi thiab qhov zoo;
6. tus nqi pheej yig.

Tau ntau xyoo, txoj haujlwm tseem ceeb hauv kev ntaus nqi tau nyob hauv cov khoom lag luam nyob hauv lub npe "Moment " … Hauv qhov no, peb txhais tau tias kua nplaum thiab sib tov qhuav rau kev ua haujlwm, suav nrog nrog nthuav polystyrene. Ib qho ntxiv, cov chaw tsim khoom teev npe muaj cov khoom ua tau zoo polyurethane ua npuas dej, ua rau muaj kev ua tau zoo ntxiv. Qhov tseem ceeb ntawm kev sib tw zoo ntawm kev tsim qauv ntawm txhua pawg tuaj yeem ntseeg tau hu ua qhov sib piv ntawm tus nqi thiab qhov zoo.

Kuj nyob rau sab saum toj 5 feem ntau xav tau hom yog Technonikol … Lub tuam txhab no hauv ntu kev lag luam tsim khoom ua tau zoo ua npuas dej, qhov ua tau zoo uas twb tau txais txiaj ntsig los ntawm ntau tus kws tshaj lij. Nws tau ua pov thawj nws tus kheej tshwj xeeb ntawm qhov zoo thaum ua haujlwm ntawm kev sib txawv sib txawv, cuam tshuam nrog ua npuas dej ntawm cib, pob zeb, ntoo, yas thiab lwm qhov chaw. Ua npuas ncauj rau lub caij ntuj no thiab lub caij ntuj sov mus muag.

Cov cai dav dav rau xaiv lub cuab yeej

Txhawm rau xaiv cov tshuaj nplaum uas haum tshaj plaws hauv ib qho xwm txheej tshwj xeeb, nws yog qhov yuav tsum tau them sai sai rau kev kawm thiab tshuaj xyuas ntawm ob tus yam ntxwv ntawm tus neeg thov thiab cov yam ntxwv ntawm lub hauv paus. Nws yog ib qho tseem ceeb kom nco ntsoov tias ib qho ntawm qhov ntsuas tseem ceeb yog lub zog thiab ua haujlwm ntev ntawm cov pob qij txha. Qhov tseem ceeb sib npaug yuav yog kev ua raws cov nplaum nrog cov qauv thiab cov cai tam sim no.

Thiab ua ntej tshaj plaws, nws tsim nyog paub tseeb tias tsis muaj cov tshuaj hauv qhov sib xyaw uas muaj peev xwm txaus ntshai rau nthuav dav polystyrene:

• acetone thiab ketone solvents;
• nitrobenzene zoo li nitromethane;
• tshuaj;
• roj av thiab roj av;
• lwm cov khoom xyaw kub hnyiab.

Nws yog ib qho tseem ceeb kom nco ntsoov tias txawm tias cov ntsiab lus tsawg kawg ntawm cov tshuaj muaj npe tuaj yeem muaj qhov cuam tshuam tsis zoo rau cov qauv ntawm cov vaj huam sib luag ua npuas ncauj thiab lwm yam khoom tsim los ntawm cov khoom no.

Lwm qhov tseem ceeb yog lub hom phiaj ntawm cov nplaum . Qhov no txhais tau tias qhov no lossis cov kua nplaum tau tsom mus rau sab hauv lossis sab nrauv ua haujlwm. Thaum nws los txog rau kho kom zoo nkauj sab nrauv, tus yam ntxwv tseem ceeb yog tiv taus qhov hloov pauv ntawm qhov kub thiab txias. Koj kuj yuav tsum piav qhia yam twg ntawm cov nplaim dej sib xyaw tau npaj rau.