Heat Shrink Tunnels for Professional Packaging

Pactur heat shrink tunnels deliver uniform, wrinkle-free results with low energy consumption and robust construction. They integrate seamlessly with manual, semi-automatic and automatic sealers, and work with POF, PE and PVC shrink films across a wide range of product shapes and sizes.

Efficient and Reliable Heat Shrinking

Recirculating hot air, digital thermostats and adjustable fans keep temperature stable and avoid hotspots. Temperature, conveyor speed and airflow are fully adjustable, so you can match the tunnel “recipe” to product and film. Result: smooth finish, strong corners, no burns or bubbles — even on irregular items or food trays.

Available Models

Small Tunnels – Compact footprint for labs and artisan shops; ideal for small items and limited spaces.
Medium Tunnels – Balanced size/output; perfect for bakeries, retail items and medium industrial runs.
Large Industrial Tunnels – High-throughput, long chambers and powerful airflow for large or heavy packages.

All models of heat shrink tunnel include adjustable conveyor, digital temperature control and double-wall insulation for energy efficiency.

How to choose the right Shrink Tunnel

Product size & clearance: height + 30–50 mm buffer; allow space for air recirculation around edges.
Film & gauge: thin POF (10–15–19 μm) needs precise airflow; PE for heavy multipacks requires higher flow and longer dwell.
Throughput: match tunnel length + belt speed to target pieces/minute to keep quality at line speed.
Finish quality: prefer models with directional airflow to tighten corners and avoid dog-ears.

Technical Specifications

Model	Chamber (L×W×H)	Conveyor width	Heating power	Airflow control	Typical output*
Small	800 × 400 × 250 mm	300 mm	6–10 kW	Top/Bottom adjustable	8–18 pcs/min
Medium	1200 × 500 × 300 mm	400 mm	10–14 kW	Multi-zone adjustable	18–35 pcs/min
Large	1600 × 650 × 400 mm	500–600 mm	14–24 kW	High-flow, directional	30–60 pcs/min

*Output indicativo: dipende da dimensioni prodotto, tipo/gauge film (POF/PE), temperatura, velocità nastro e ricircolo aria.

Energy & Quality Tuning

Thin POF (10–15 μm): lower °C, increase airflow; moderate belt speed for glossy finish.
Thick PE (60–120 μm): higher °C and dwell; strong directional air on edges.
Corners & dog-ears: redirect air to edges, slightly reduce belt speed.
Wrinkles: increase °C step-by-step or reduce gauge; check perforation.