Qhov teeb meem ntawm kev luam ntawv thiab txheej xim ntawm aluminium ntawv cog lus rau lub lag luam yuav tsum tau them nyiaj rau
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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1 lo lus nug tsa
Nyob rau hauv xyoo tas los no, qhov zoo ntawm cov kws tshuaj PTP txhuas cov ntawv ci ntim tau zoo dua, thiab daim ntawv thov tau muaj kev txuas ntxiv, xws li cov khoom noj khoom ntim thiab cov khoom noj khoom haus. Txawm li cas los xij, qee qhov teeb meem tau tshwm sim hauv PTP cov ntawv txhim khu printing txheej txheem, ua rau txawv degrees poob thiab qhov teebmeem phom sij. Thiaj li yuav ua kom zoo ntawm cov ntawv txhim khu printing thiab nws siv, daim ntawv no xaiv qhov teeb meem zoo tshaj plaws ntawm cov neeg siv feem ntau thiab xaus lub sijhawm ntau zaus. Yuav tsum muaj kev sib koom tes nrog cov neeg ua haujlwm, cov hom phiaj yog los pab cov thawj coj uas siv cov ntawv ci ntim cov khoom ci kom zoo dua qub nrog cov teeb meem uas muaj tshwm sim los ntawm lawv.
2 lub tswv yim ntawm medicinal aluminium ntawv ci
Cov hlau foils siv rau hauv daim ntawv thov kev ntim tshuaj yog txhuas cov ntawv nyiaj, uas yog hu ua cov ntawv pov thawj rau cov ntawv cog lus (feem ntau hu ua PTP txhuas cov ntawv nyiaj), thiab PTP txhuas cov ntawv nyiaj los ntawm Lus Askiv PressThrough Ntim (lus: ntim los ntawm kev ceev). Lub sijhawm ntau tshaj tawm hauv kev lag luam yog rau kev ntim tshuaj. Aluminium ntawv ci, tseem hu ua aluminium ntawv ci rau hmoov pob ntim. Tuam Tshoj lub npe rau PTP txhuas cov ntawv ci siv rau hauv cov ntaub ntawv cov ntaub ntawv ntim thiab ntim daim ntawv pov thawj: PTP aluminium ntawv nyiaj rau lub lag luam ntim.
Yog ib qho tseem ceeb raw cov ntaub ntawv rau ntawm cov khoom PTP txhuas cov zuam ntawv yog muaj cov ntaub ntawv muaj zog zas ua cov ntawv txhuam, uas yog siv rau cov ntaub ntawv ntim tshuaj.
Nws yog txoj kev cai nyob rau hauv kev lag luam yuav raug hu ua "thawj cov ntawv txhuas" lossis thawj cov ntawv ci. Thaum siv raws li ib tug kws ntim khoom siv, aluminium ntawv ci yog tsuas hlau cov khoom nyob rau hauv lub ntim khoom. Cov ntawv ci txhuas muaj: (1) tsis muaj kuab lom, ntxhiab tsw; (2) hluav taws xob zoo heev thiab cov cuab yeej tsom teeb; (3) tsis tshua muaj kev qis heev, cov khoom siv roj thiab cov khoom tu-saub, thiab feem ntau tuaj yeem tiv thaiv cov ntawv ntim khoom. Yog li ntawd, nws yog ib cov khoom ntim uas tsis tau hloov kom deb, thiab tsis yog cov xim vapor-deposited hlau los yog cov coated tshwj xeeb zaj duab xis tau hloov tau cov ntawv ci txhuas. Nyob rau hauv thaj chaw ntawm niaj hnub lub ntim thiab kho kom zoo, yuav luag txhua qhov sib txuam yooj yim cov ntaub ntawv uas yuav tsum tau opacity los yog siab barrier yog ua los ntawm aluminium ntawv ci raws li ib qho thaiv txheej. Vim cov ntawv txhuas txhuas muaj qhov zoo tshaj plaws, thiab muaj cov yam ntxwv ntawm lub cev nyhav, lub zog zoo thiab cov ntawv luam tawm zoo, ntau lub cim los sis cov qauv muaj peev xwm muab luam tawm. Thaum lub hnab ntim tau, nws tuaj yeem raug crushed nrog me ntsis siab, thiab tus neeg mob yuav siv yooj yim thiab nws yooj yim mus nqa.
3 Cov teeb meem zoo hauv cov roj hmab ntawv luam ntawv
Nyob rau hauv tus txheej txheem ntawm luam ntawv aluminium ntawv, muaj feem ntau ib co teeb meem zoo, uas yog sau ua ke raws li nram no.
3.1 Txhuas cov ntawv pov thawj zoo tsis raws li tus qauv tsim nyog
Cov teeb meem uas muaj teeb meem nrog kev luam zoo uas tsis ua raws li tus txheej txheem yuav tsum muaj: tsis meej, luam tawm, tshwj xeeb yog tshaj ntawm cov ntawv ci txhuas.
3.1.1 Cov font font blur
Ua rau: (1) lub xauv npo ntawm tus cwj pwm tsis dhau; (2) tus hniav tau rhuav tshem kev hloov cev; (3) lub kaum sab xis ntawm lub hau rau lub plhaub tog kheej kheej tsis tsim nyog; (4) qhov nro ntawm cov ntawv txhuas txhuas tsis zoo kho; (5) tus number case yog qhuav qeeb (6) Cov khiav ceev tsis yog koom tes. Kev tswj thiab txoj kev txhim kho: Raws li cov teeb meem saum toj no, peb yuav tsum tau saib xyuas lawv xws li: (1) txhim kho qhov xim ntawm tus cwj mem; (2) lossis hloov qhov khawb ntau li ntau tau; (3) kho lub kaum sab xis ntawm lub scraper thiab nqa tawm kab tag nrho ntawm scraper; (4) kho lossis pom tseeb Tee; (5) Hloov kho kom sai-ua kom hnyav thiab ua kom sov dua kom qhuav ceev; (6) Kom paub meej tias daim phiaj siv lub plhaub thiab cov ntawv txhuas txhuas yog khiav ntawm kev khiav ceev.
3.1.2 Cov ntawv txhim khawm ntawv txhuam cov ntawv txhuam hniav
Ua Ntej: Vim tias cov ntawv sau luam tawm muaj ntau daim hlau, muaj ntau yam cuam tshuam. (1) Vim li cas cov khoom siv, hauv cov txheej txheem ntev-ntev, qee qhov tseem ceeb ntawm cov cuab yeej raug hnav tawm, xws li khoov ntawm cov ntawv luam tawm, lub tes tsho qhov txos tsis roj los ua rau hnav, thiab tsis ncaj ntawm lub tshuab traction yuav ua rau lub font yuav tsum tau muab xam rau hauv qhov pov thawj; (2) Luam qhov tsis ncaj ntawm txhua pob ntawm cov thawv, lub siab tsis ncaj ntawm sab laug thiab sab sab ntawm cov phaj rau cov menyuam, cov looseness ntawm cov luam ntawv rau cov menyuam thiab lwm yam ua rau lub overprinting yuav tsis raug, daim font yog qhov chaw; (3) qhov teeb meem kev ua haujlwm, qhov kev tsis txaus siab ntawm qhov kev sib tawm tsam thiab kev tsis sib haum ntawm cov khoom nyoos, Kev ua haujlwm hauv kev lag luam, kev hloov hlawv tsis zoo, kev tsis sib haum ntawm kev nruj, thiab lwmyam yuav cuam tshuam rau qhov ua yuam kev ntawm cov ntawv sau ntau tshaj; (4) misalignment ntawm overprinting fonts vim txawv specifications (tshaj qhov yuam kev li qub); (5) tus lej siab ntawm tus cwj pwm (ink), cuam tshuam txog overprinting, font Misalignment; (6) Kev hloov kev hloov ntawm cov ntawv txhuas cov ntaub ntawv (cov ntawv tsis sib thooj) cuam tshuam rau qhov nro tsis tu ncua, ua rau lub font yuav raug muab coj los ua.
Tshuaj: (1) Khoom siv yuav tsum tau tsim nrog lub qhov kev soj ntsuam kev soj ntsuam kom tsis tu ncua kev khiav dej num ntawm kev khiav hauj lwm. Cov khoom siv yuav tsum tau hloov tsis tu ncua, thiab cov ntaub ntawv hloov hnub yuav tsum raug tsim los nrhiav; (2) Lub hom phiaj tom qab yuav tsum tau tsim nyob rau hauv cov txheej txheem siv tshuab, thiab qhov qhib thiab sib zog nro qhov tseem ceeb yuav tsum tau siv rau kev khiav dej num, nrog rau cov cua sov kub, cua ntim, thiab lub sijhawm tshuab. Nws tau kuaj pom los ntawm tus neeg teb xov tooj kom ncav sij hawm. Thiab muaj cov ntaub ntawv ntsuam xyuas; (3) phaj txiav txim siab yuav tsum ua raws li tus qauv tseeb los ntawm tus neeg siv thiab sib piv nrog cov pov thawj qhov tseeb ntawm tus neeg loj tshaj. Yog tias nws ua tau raws li cov kev cai, nws tuaj yeem raug muab tso rau hauv qhov tsim los ntawm tus kws soj ntsuam xyuas zoo. (4) Lub khob ntawm tus cwj mem xaj yuav tsum hloov raws li qhov ntsuas kub. Tus viscometer yog kho txhua lub sijhawm; (5) qhov kev ua tau zoo ntawm cov ntawv txhuas txhuas ua ntej nws txawv heev, thiab nws yog qhov yuav tsum tau tswj xyuas cov khoom hloov.
3.2 Cov xim ntawm tus cwj mem yog txawv
Feem ntau, cov xim ntawm cov thawj tsim cov ntawv txhuas ntawv tom qab luam ntawv tau muaj xim me me sib txawv nrog cov qauv siv, feem ntau yog vim qhov sib txawv ntawm cov ntaub ntawv los yog cov substrate. Yog tias tsim nyog, tus neeg yuav khoom yuav pom zoo ntawm tus neeg zov lub vev xaib, thiab cov txheej txheem tsim thiab luam ntawv yuav tsum tswj xyuas nruj.
3.2.1 Cov xim yog qhov muag heev
(1) Lub luam tawm ceev ntawm tib lub npoo tsis txaus: qhov ua rau: 1) hnyav ntxiv ntawm tus cwj mem; 2) npau npau; 3) lub gravure gravure dhau lawm ntiav. Tshuaj: 1) ntxiv cov cwj mem tshiab, kho cov cwj mem rau cov viscosity uas tsim nyog; 2) tag nrho cov zuaj khaus ua ntej muab tso rau hauv cov ntawv tais diav, thiab preheat qhov sov ua kom sov nyob rau qaum teb ntuj no.
(2) Cov xim ntawm tib lub npoo yog nplua nuj: qhov ua rau: 1) viscosity ntawm tus number case yog loj; 2) lub number case concentration loj loj; 3) intaglio engraving yog sib sib zog nqus los yog puas ntsoog. Tshuaj: 1) Ntxiv cov lus hnyav rau tus cwj mem, kho tus cwj mem rau cov viscosity uas tsim nyog; 2) Ntxiv rau kev ywj pheej; 3) Rov tsim lub pob khawm gravure los yog ua kom tiav cov hniav.
3.3 Luam cov ntawv txhuam hniav kom npog ncauj
Muaj ntau yam yog vim li cas rau cov pob txha, xws li pob zeb qhuav hauv cov txheej txheem luam ntawv, vim li cas rau cov ntawv xov xwm ntawm cov khoom siv raw, cov pob txha los ntawm kev tsis haum ntawm cov khoom siv tshuaj, thiab cov pob txha los ntawm lub tsis sib haum xeeb ntawm txhuas cov khoom siv hluav taws txig hluav taws kub. Tsuas yog cov wrinkles uas tshwm sim thaum lub sij hawm luam ntawv tau txheeb xyuas hauv qab.
Yog vim li cas rau wrinkles thaum lub sij hawm luam ntawv: (1) ntug ntawm cov ntawv txhim khu cov ntawv txhuas yog xoob; (2) qhov nruab nrab ntawm cov khoom siv yog xoob; (3) qhov tsis sib haum luam ntawv tsis tsim nyog, los yog cov substrate nws muaj wrinkles;
(4) Lub kaum sab xis uas cov ntawv ci txhuas yog thaiv rau ntawm daim npav cob qhia lossis cov khau rub tawm loj heev; (5) qhov tawv nqaij ntawm cov yas rubber tsis txaus; (6) lub tshuab los yog lub log thiab tus cob qhia cov tub ntxhais kawm tsis raug teeb meem.
Cov tshuaj rau wrinkles thaum luam ntawv: (1) kev siv cov voj voog cov voj voog; (2) siv cov hneev nti, kev sib nraus ntawm kev sib nraus; (3) kev tsim nyog haum ntawm kev nruj; (4) kev hloov ntawm aluminium foil winding angle; (5) siv kev kub nyhiab Cov Roj Hmab Rauv; (6) Kawm lub rooj sib txoos ntawm lub tshuab thiab lub nruas.
3.4 Cov teeb meem uas cuam tshuam rau qhov zoo ntawm cov ntawv ntim tshuaj
3.4.1 Kev luam tawm substrate aluminium ntawv nyiaj pinhole tshaj tus qauv
Raws li GB 12255-1990: "Lub pinhole inch ntawm PTP txhuas ntawv ci ntau tshaj 0.3 mm, thiab lub cheeb ntawm 0.1 mus rau 0.3 mm yuav tsum tsis pub tshaj 1". PTP txhuas cov kab ntawv pinholes yog vim muaj cov teeb meem tsis sib haum, uas muaj feem cuam tshuam cov khoom thaiv teeb meem (pa teeb meem, pa tsis sib haum, thiab opacity) ntawm cov ntawv txhuas, kom cov yeeb tshuaj tau cuam tshuam los ntawm oxygen, water vapor or light to reduce efficacy. Txawm tias kev tsis tuaj yeem siv tsis tau. Vim tias cov dej kua pa thiab cov pa oxygen permeation yog cov tseem ceeb ntawm cov ntawv nyiaj txhuas ua cov khoom ntim, cov nqi qis yog feem ntau. Nyob rau tib lub sij hawm, aluminium ntawv ci nws tus kheej, tshwj xeeb tshaj yog lub aluminium ntawv ci muaj ib tug tuab ntawm 0.02 hli los yog tsawg dua, yog yooj yim wrinkled, yooj yim tawg, thiab yooj yim pinholes. Vim li no, tus dej txhuam cov kis tau tus kab mob thiab cov pa oxygen ntau npaum li cas ntawm cov roj ntsha tuaj yeem tsis yooj yim, thiab cov dispersion ntawm cov ntaub ntawv kuaj xyuas yog loj. Aluminium ntawv ci pinholes yog qhov tsuas yog nyob rau hauv lub transparency ntawm txhuas ntawv ci. Feem ntau, tsuas yog qhov loj thiab cov naj npawb ntawm cov ntawv txhim khu pinholes siv tau los piav txog qhov teeb meem. Raws li cov kev tshawb fawb, cov roj permeation nyiaj ntawm cov dawb huv txhuas ntawv nyiaj yog proportional rau qhov txawv ntawm cov roj concentration. Thaum cov pinhole radius ntawm cov ntawv nyiaj txhuas yog loj dua lub thickness ntawm aluminium ntawv ci, nws yog proportional rau lub voos kheej ntawm pinhole. Yog li ntawd, qhov zoo ntawm daim pib txhuas cov ntawv txhuas yuav tsum tau kuaj ua ntej daim ntawv txhuas ntawv luam tawm, tshwj xeeb tshaj yog cov pinhole, rhuav lub zog thiab tensile lub zog ntawm thawj cov ntawv txhuas yog sampled. Tam sim no, Tuam Tshoj aluminium ntawv pov thawj manufacturers tau mus txog lub teb chaws tus qauv rau aluminium ntawv nyiaj pinhole yuav tsum tau thiab yuav kom ruaj khov, tab sis qee tus PTP txhuas cov ntawv nyiaj txiag feem ntau tsuas txo nqi, txeeb lub lag luam ntawm tus nqi qis, feem ntau siv qee cov khoom qoob loo tsis muaj tseeb , yog li ntawd Lub pinhole yog tawm ntawm specification. Tsis tas li ntawd, muaj ntau qhov chaw siv lead ua nyob rau saum npoo ntawm cov ntawv txhuas, thiab muaj ntau cov roj stains ntawm qhov chaw. Cov ntawv txhuas txhuas yeej muaj ntau ntawm wrinkles, indentations, streaks, thiab lwm yam, uas tsis tsuas cuam tshuam cov luam ntawv zoo ntawm cov cim thiab cov qauv, tab sis kuj cuam tshuam lub zoo zoo ntawm tus neeg saib xyuas kev tiv thaiv thiab cov nplaum, li cuam tshuam rau lub chaw ntim tshuaj. Sealing kev ua tau zoo.
Txoj kev txiav txim rau tus naj npawb ntawm pinholes yog coj ib daim ntawm cov ntawv txhuas txhuas thiab saib kom pom los yog tsis muaj pinhole to nrog lub qhov muag liab qab. Kev ntsuas kev ntsuas txhuas hniav pinhole nrog cov khoom ntim khoom rau pinhole cov lus, siv 800 hli × 600 hli × 300 hli los yog tsim nyog ntim ntoo lub thawv, 30 W Fluorescent teeb nyob rau hauv lub npov ntoo, ib lub iav ntawv muab tso rau ntawm lub npov ntoo, Daim ntawv tawm sab nraud nrog 400 mm × 250 hli los tshawb xyuas tus qauv pinhole. Nqa 20 daim ntawv ntawm 400 mm × 250 hli cov ntaub ntawv nyob hauv cov ntawv txhuas txhuas ua tiav, muab lawv ib qho los ntawm ib qho ntawm lub qhov ntsuas ntawm lub qhov pinhole, thiab tshawb xyuas cov pinholes hauv maub. Cov uas yuav tsum tau ua rau cov ntawv txhuas txhuas hniav yog: (1) Yuav tsum tsis txhob ntom nti, Nruam, ua pinholes; (2) Yuav tsum tsis muaj pinholes nrog ib txoj kab uas siab tshaj 0.3 hli, thiab pinholes nrog ib txoj kab uas muaj 0.1 ntawm 0.3 hli yuav tsum tsis pub tshaj ib lub xwm fab xwm meem. Aluminium ntawv nyiaj pinhole yog ib qho tseem ceeb heev qhia rau PTP txhuas foil kuaj. Nws yuav muaj feem xyuam nrog kev sib tw ntawm cov tshuaj yeeb dej cawv, yog li kev soj ntsuam no yuav tsum muaj nuj nqis heev.
3.4.2 Siv cov txheej txheem tiv thaiv tom qab luam ntawv
Raws li cov txheej txheem yuav tsum tau ua, cov nplais ntawm cov ntawv xov xwm txhuas hniav tom qab luam ntawv yuav tsum tau muab cov ntaub ntawv pov thawj los tiv thaiv cov ntawv pov thawj. Ntawm chav kawm, cov txheej txheem tiv thaiv kuj tiv thaiv cov ntawv ci txhuas los ntawm kev sib txuas ntawm lub puab txheej thaum lub foob pob txhuam hniav tuaj yeem, ua rau ua rau cov tshuaj muaj kab mob. Nws kuj tseem tuaj yeem tiv thaiv tus kheej-oxidation thiab deterioration ntawm cov nplaim ntawm cov ntawv txhuas txhuas thiab tiv thaiv kom txhob txhuam thiab cais tawm ntawm tus number case txheej ntawm cov nplais ntawm cov ntawv txhuas aluminium, thiab tseem ua kom cov cua kub tsis ua hauj lwm ntawm lub hlwv them nqi thaum nias. Qee cov lag luam txo cov nqi, txiav cov fab, thiab tsis siv cov neeg sawv cev tiv thaiv. Vim li ntawd, cov kws ua lag luam feem ntau pom tau tias cov ntawv luam tawm cov qauv tsis tau yog thaum cov hlwv kub-kaw, uas yooj yim rau kev sib deev thiab ua rau kom poob.
Qhov tseeb, tus neeg siv yuav tuaj yeem txiav txim siab seb puas yuav siv cov ntawv txheej txhuas los ua ke nrog cov txheej txheem tiv thaiv ua ntej siv. Txoj kev yog: txiav ib daig ntawm cov ntawv ci txhuas, thiab siv ib qho sib zog los ci rau cov txheej txheem tiv thaiv ob peb feeb. Yog hais tias qhov chaw ntawm cov txheej txheem tiv thaiv tau pom tias yuav tsis hloov lossis muaj cov pa roj carbon monoxide, ib zaug So tawm, uas yog ib qho khoom txhim khu cov khoom tsis muaj tseeb uas tsis muaj kev tiv thaiv txheej txheem; yog tias qhov kev tiv thaiv tau pom muaj daj, thiab ib qho qauv zoo li ib qho chaw ua hauj lwm halo, nws yuav tsis poob tawm tom qab so, uas yog, ib qho khoom ua ke nrog ib txheej kev tiv thaiv. Txawm li cas los xij, yuav kom siv txoj kev siv zoo, qhov zoo tshaj plaws yog siv lub thawv kub kom paub txog cov cua kub ntawm kev tiv thaiv txheej txheem, thiab cov cua kub hnyiab ntawm qhov kev tiv thaiv kab txiav txim seb puas kub khov (version) ntawm lub ntim tshuab ntawm PTP txhuas ntawv ci ntim tau. Qhov saum npoo ntawm cov ntawv ci txhuas yog puas lawm. Thaum lub sij hawm kuaj, 2 kg siab kub sealer tau siv los ua kom sov thiab nias lub nplais ntawm aluminium ntawv ci ntawm 200 ° C rau 1 s mus soj ntsuam seb daim duab luam tau yog obviously peeled.
3.4.3 Txhuas ntawv ci txheej nplaum tsis ncaj
Cov ntawv pov thawj cov nplais loj npog yog coated nrog tus neeg saib xyuas kev tiv thaiv, thiab lwm sab yog coated nrog ib qho nplaum. Seb lub nplaum yog txheej los yog tsis zoo, qhov cov xim xau yuav cuam tshuam rau kev sib kis ntawm cov pob hlav pob, uas yog, qhov kev sib tw seev.
Ib qho yooj yim ntawm kev ntxub ntxaug: nyob rau hauv ib tug zoo-zes
Qhov chaw yog pom nrog lub qhov muag liab qab. Yog tias pom tau tias muaj tseeb ncaj ncaj kab txaij, los yog luv luv intermittent lossis uninterrupted ncaj ncaj kab rov tav, nws yog ib qho khoom muag substandard. Cov khoom sib txuas ntawm cov khoom tsim nyog yuav tsum tau sib zog heev thiab tsis muaj txaus. Kev ntsuas thiab ntsuas tus qauv: Tshawb xyuas qhov sib npaug nrog rau kaum txhiab leej, siv 5 xoom 100 hli × 100 hli qauv ntawm cov khoom tiav, ntsuas lawv nyias, so so tawm cov nplaum nrog ethyl acetate, methyl ethyl ketone los yog lwm yam hnyav, ces kev hnyav Qhov sib txawv ntawm ob lub ntsiab lus yog qhov txheej txheem, thiab qhov nruab nrab tus nqi ntawm tsib lub tsho nqi, thiab qhov sib txawv ntawm cov nqi thiab qhov nqi nruab nrab ntawm txhua daim ntawv yuav tsum tsis pub ntev tshaj ± 12.5%. Tsis tas li ntawd, lub thickness ntawm lub nplaum txheej muaj ib tug zoo kawg nkaus lub cawv nyob rau hauv cov degree ntawm tsev sib haum ruaj khov, thiab lub nplaum kab yog heev nyias yuav tsum tau thov. Thaum cov ntawv tawv PVC raug kub hnyiab, txoj hlua khov yog txo qis vim yog tsis muaj cov khoom. Siv lub thawv cua kub kom paub txog qhov hluav taws xob uas muaj zog ntawm txheej nplaum, nws muaj peev xwm los txiav txim siab seb puas yuav tsum ua kom tau zoo. Thaum kuaj, 100 hli square yog tuag-txiav, thiab ib lub siab ntawm 2 kg, kub ntawm 150 ° C, lub tsho kub, cov ntawv nyiaj txhuas thiab cov zoo li siv. Cov ntawv PVC yog tshav kub rau 1 s. Nws tau txiav rau hauv 15 hli strips siv ib tug tshwj xeeb 15 mm tuag cutter. Qhov luaj li cas ntawm lub zog tensile ntsuas ntawm lub tensile tester yog qhov hluav taws xob kaw lub zog. Tshem kub lub rhaub lub zog ntawm cov ntawv txhuas ci txheej thiab PVC yuav tsum ≥7.0 N / 15 hli.