PVC luam ntawv zaj duab xis yog ib zaj duab xis ua haujlwm feem ntau ntawm polyvinyl chloride (PVC) los ntawm cov txheej txheem xws li luam ntawv, laminating, thiab txheej. Nws yog dav siv hauv kev kho kom zoo nkauj, ntim khoom, ua daim npav, thiab kev tiv thaiv hauv tsev.
Main Physical thiab Chemical Properties
High Transparency thiab Gloss: Superior transparency piv rau polyethylene thiab polypropylene, ze rau polystyrene; qhov saum npoo tuaj yeem nthuav tawm cov nyhuv glossy lossis matte, txhim kho cov xim ntawm kev luam ntawv.
Huab cua Resistance thiab Chemical Resistance: Resistant rau dej, roj, acids thiab alkalis, thiab khawb, haum rau ob qho tib si sab hauv tsev thiab sab nraum zoov ib puag ncig.
Flexibility thiab Plasticity: Lub softness lossis hardness tuaj yeem hloov kho raws li cov ntsiab lus plasticizer, yooj yim rau thermoform, haum rau nkhaus lossis complex -puab substrates.
Strong Adhesion: Bonds khov kho nrog substrates xws li ntawv, ntoo, yas, thiab hlau; tshwj xeeb tshaj yog thaum siv nrog rov qab -coated adhesives los yog kub-melt adhesives, nws tsis yooj yim rau tev tawm.
Structure thiab Composition
Multilayer Structure: Feem ntau yog tsim los ntawm cov yeeb yaj kiab lacquer sab saum toj, nruab nrab PVC txheej (polyvinyl chloride resin), thiab hauv qab rov qab -coated nplaum txheej.
Main Component Proportions (raws li zaj duab xis)
PVC cob: 40% -70%
Plasticizer: 10% -50% (txiav txim siab softness / hardness)
Stabilizers, fillers, colorants, thiab lwm yam: tag nrho txog 10% -30%
Kev faib cov txheej txheem
Los ntawm Plasticizer Cov ntsiab lus
Mos PVC Zaj duab xis: Muaj cov yas yas, hloov tau yooj yim, nplaum rau kov, siv rau hauv pem teb, tawv tawv, thiab lwm yam; tab sis nyhav dhau los ua nkig nrog ntev - siv sijhawm.
Rigid PVC Zaj duab xis: Tsis muaj plasticizer, hloov tau yooj yim thiab tsim tau yooj yim, tsis yooj yim nkig, tsis yog - lom thiab ib puag ncig tus phooj ywg, suav txog li 2/3 ntawm kev ua lag luam.
Los ntawm Daim Ntawv Thov
Hniav Zaj Duab Xis (cov khoom siv hauv tsev yog 60%)
Ntim Zaj duab xis
Adhesive Film rau Daim Npav Ua (nruab tuab 0.08mm, lamination kub 110-150 degree)
Printed Laminating Film (siv rau cov phau ntawv, albums, thiab lwm yam., thickness feem ntau 0.08-0.2mm)