Blog Category — Iyaya & Buli iyaya

Stretch Film Materials & Buli iyaya: From Resin to Roll

The Process Decides the Film. The Film Decides the Load.

This archive collects every Vistech guide on how stretch film is made and what it is made of: 5-layer versus 7-layer co-extrusion, cast versus blown extrusion, mainstream material classifications and resin choices, and the PCR and bio-based films reshaping sustainable load containment.

Every guide is written for the people who specify film at the material level — idinia ni vakasaqa, plant managers and procurement teams who need the process, not just the price.

10 In-Depth GuidesCo-Extrusion ArchitectureCast vs. BlownResin & AdditivesPCR & Bio-based
Cast extrusion line producing stretch film jumbo rolls in the Vistech factory

Featured Guide

Start Here: 5-Lava vs. 7-Layer Co-Extrusion

Layer count is the most marketed number in film manufacturing — and the most misunderstood. What each layer actually does, and when seven layers beat five on your pallets.

Iyaya

5-capa vs. 7-iyaloyalo ni misini ni veitaratara vakatautauvatataki: co-extrusión artectura, puntura y ganancias de reducción, isau, kei na sala me vakadeitaki kina na kerekere ni dausoli iyaya ena itukutuku ni veivakatovolei dina ..

All Guides

All 10 Iyaya & Manufacturing Guides

Newest first — from co-extrusion architecture to the 2026 PCR and bio-based material shift. Every guide links back to the film lines that run these processes.

5-capa vs. 7-iyaloyalo ni misini ni veitaratara vakatautauvatataki: co-extrusión artectura, puntura y ganancias de reducción, isau, kei na sala me vakadeitaki kina na kerekere ni dausoli iyaya ena itukutuku ni veivakatovolei dina ..

Ena volivolitaki ni bisinisi e vuravura raraba, sourcing na iyaya ni vakavodoki cala e kauta mai na isau ni cakacaka sega ni namaki, vakawasoma na iyaloyalo, kei na iyaya vakacacani .. While many

1. iVakamacala Taumada Ena vale ni maroroi yaya ni gauna oqo, veiqaravi, kei na kena cicivaki na veiqaravi, na taqomaki ni iyaya ena gauna ni veitosoyaki kei na maroroi e bibi sara ki na cakacaka vinaka. Manual

Me vaka ni veisautaki na veiqaravi ni veisoliyaki e vuravura raraba ki na lawa kaukauwa cake ni veika bula wavoliti keda, na tudei ni kabani sa veisau mai na dua na gagadre ni makete ki na dua na gagadre ni cakacaka. For

Ena buli iyaya vakataki koya kei na veisoliyaki raraba ., Na vakau vinaka e vakatau vakalevu ena duavata ni icolacola. When thousands of tons of freight move through multi-modal

Na kena vakavinakataki na nomu iyaya ni veiqaravi e gadrevi kina na iyaya ni vakavodoki e vakadeitaka na taqomaki ., tudei, kei na isau-vakayagataki. Filimu ni toso, kilai talega vakalevu me vaka na wrap ni toso, serves

Na LLDPE balavu ni iyaloyalo ni bisinisi e sa sotava tiko e dua na vakatorocaketaki titobu ni bisinisi .. Me vaka o sa vakaraitaka vakadodonu ., the future core drivers are fully

Ena tabana ni vakavodoki ni bisinisi, na iyaya levu e vakayagataki me baleta na iyaloyalo ni toso e yavutaki taumada ena Linear lailai-levu ni polyethylene (LLDPE). Through the

Read by Topic

Three Paths Through the Materials Archive

Coming in with a specific question? These reading paths group the archive by the decision you are making — process selection, film specification or sustainability compliance.

Specifying Film at the Material Level?

Send your load profile, containment requirements and sustainability targets. Our engineers will recommend the right film construction — layer architecture, resin blend and gauge — backed by free sample rolls from our cast lines.