How Should You Shrink Wrap Products for Export?

Written by

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Published 24 Feb 2026

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Updated 21 Sep 2026

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Key Takeaways

01

Transit is the real test

Export packs face stacking, vibration and humidity across sea freight and several handling stages, so every seal has to hold, not just most of them.
02

Labels must survive the tunnel

Barcodes, country-of-origin marks and regulatory labels have to stay flat and readable through the film once it has shrunk.
03

Film follows the load

Polyolefin suits retail packs and multipacks; heavier polyethylene is used to bundle cartons and industrial goods.

Products are shrink wrapped for export by sealing them in a film strong enough for the journey, applied consistently enough that every pack survives stacking, vibration and humidity, and with labels left fully readable for customs. Polyolefin film suits retail packs and multipacks, while heavier polyethylene is used for bundling cartons and industrial goods. Food exports also need film approved for food contact in the destination market, such as EU or FDA requirements. A sleeve sealer and shrink tunnel bundles multipacks and cartons, and an L-bar sealer suits single boxed items. Compare the machines on the shrink wrap machines page.

See the shrink wrap machine range

Four machines pack for export: L-bar sealer, side bar sealer, sleeve sealer and standalone shrink tunnel. Compare them and see them running.

Why is shrink wrap used for export packaging?

Shrink wrap is used for export packaging because it holds a pack tight through a long, rough journey at far less weight and bulk than rigid cartons or crates. An export shipment is lifted, stacked and moved at a factory, a warehouse, a port, a container and a distribution centre, and it meets vibration and humidity changes along the way. A shrunk film layer stops products moving inside the pack, keeps dust and moisture off the surface, and shows at once if a pack has been opened. Compared with rigid packaging it cuts material, storage space and shipping weight, which matters when freight is charged by volume and weight.

What do export markets require from shrink-wrapped packs?

Export markets require a pack that arrives intact, can be identified without opening it, and uses materials the destination accepts. Seal strength and consistency come first, because one weak seal in a load can fail in transit. Labels come next: barcodes, country-of-origin marks and regulatory labels have to stay flat and legible after the film has shrunk, and clear film lets officials read them without opening the pack, so tunnel settings must not distort print. Food exports need film approved for food contact under the destination’s rules, such as EU or FDA requirements, and customs may inspect both documentation and pack integrity. Some markets also expect recyclable or lower-impact materials, which polyolefin and polyethylene films can meet.

Which film and machine suit export loads?

The load decides the film, and the pack format decides the machine. Polyolefin is the usual choice for retail packs and multipacks going to shelf, while thicker polyethylene is used to bundle cartons, spare parts and heavier industrial components. A sleeve sealer and shrink tunnel is the machine for bundling bottles, cartons and multipacks, an L-bar sealer and shrink wrap machine suits single boxed items, and a side bar sealer handles long products. Semi-automatic machines suit medium volumes; automatic lines keep seal quality consistent at higher output. Full pallet loads are covered in shrink wrap for pallets.

How do you keep an export packing line running?

An export packing line keeps running through planned maintenance, because downtime on the line can delay a shipment and put a delivery contract at risk. Check sealing bars, cutting wires and tunnel temperatures on a fixed schedule, keep common spares on hand, and train operators to spot a weak seal before it leaves the line. The shrink wrap machine maintenance guide sets out the daily, weekly and monthly checks. Every machine we supply is installed and commissioned by our own technicians, who also train your operators at handover.

What to do next

Shrink wrapping for export comes down to consistent seals, labels that stay readable through the film, a film chosen for the load and the destination, and a machine matched to the pack format. Send us the product, the pack or bundle size, the destination market and the volume you need per hour, and we will specify the machine to suit. Compare all four machines on the shrink wrap machines page, or go straight to the sleeve sealer and shrink tunnel, the one most often supplied for export multipacks and bundles.

Frequently Asked Questions

Can shrink wrap handle heavy industrial products for export?

Yes, with the right film and settings. Heavier polyethylene film and a machine calibrated for the load give strong load stability for spare parts, components and bundled cartons, and the film thickness is matched to the weight and shape of what is being wrapped.

Does shrink wrap protect goods from humidity at sea?

It reduces the risk. A sealed film keeps moisture off the pack surface and out of the gaps, which helps through humidity changes in a container. It is not a full vapour barrier for long voyages, so moisture-sensitive goods still need desiccants or sealed inner packaging inside the wrapped pack.

Can customs check a shrink-wrapped pack without opening it?

Usually, yes. Clear film lets officials read barcodes, origin marks and regulatory labels through the wrap. If a pack is opened for inspection, the torn film shows it, which is part of what makes shrink wrap useful as tamper evidence on export loads.

Talk to us about your export packs

Send us the product, the pack or bundle size, the destination market and the volume you need per hour, and we will specify the shrink wrap machine that suits it, with installation by our own technicians, a one-year warranty, CE marking on request and spares held in Johannesburg. We deliver across South Africa and into neighbouring SADC markets.