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GST No: 27AAZCA2345J1Z6
A shrink tunnel machine is a heat-application packaging unit that uses precisely controlled hot air to shrink a pre-applied plastic film tightly and uniformly around a product. Products travel through the tunnel on a motorized conveyor, and the film — typically POF, PVC, or PE — contracts to create a tamper-evident, professional finish. It is the heart of every modern shrink wrapping line.
At Amarpack Machines Pvt. Ltd., we have been manufacturing shrink tunnel machines from our facilities in Mira Road and Palghar (Maharashtra) since 1998. Our machines run round-the-clock at over 1,000 production sites across India and 20+ export markets — packaging everything from biscuit cartons for Haldiram’s to pharmaceutical multi-packs for Cipla.
This page explains what a shrink tunnel machine is, how it works, the models we build, what they cost in India, and why packaging managers across food, pharma, FMCG, and electronics sectors choose Amarpack.
A shrink tunnel machine is an industrial packaging device that wraps products in heat-shrink film by passing them through a heated chamber on a conveyor belt. The hot air inside the tunnel — usually between 150°C and 220°C — causes the film to shrink and form a tight, transparent, tamper-evident seal around the product. It is the second stage of a shrink wrapping line, working downstream from an L-bar sealer, web sealer, or sleeve wrapper.
Shrink tunnel machines are used wherever a product needs a clean, secure, and visually appealing outer wrap — bottled beverages, biscuit packs, pharmaceutical cartons, cosmetic boxes, electronic components, printed material, and multi-pack consumer goods.
The process is simple, but the engineering inside the chamber decides whether your packs come out smooth or wrinkled. There are three stages:
1. Pre-wrap. The product is loosely wrapped or sleeved in shrink film by an L-sealer, web sealer, or sleeve applicator placed before the tunnel.
2. Heat application. The wrapped product enters the tunnel chamber on a conveyor. Calibrated heating coils warm the air, and an internal blower circulates that hot air uniformly across all four sides of the product. The film softens and contracts within seconds.
3. Cool-down and exit. The product exits the tunnel with the film tightly fused around it. A short cooling zone — either ambient or fan-assisted — sets the film and prevents post-shrink distortion.
The quality of the final pack depends on three variables that a good shrink tunnel machine controls precisely: chamber temperature, conveyor speed, and air-flow direction. Cheap tunnels get one or two right. A well-engineered industrial unit gets all three right, every time, for years.
We build four core categories of shrink tunnel machine, each engineered for a specific production profile. All models are made in India, ship with a 12-month warranty, and are supported by our nationwide engineer network.
This compact, space-saving desktop machine is ideal for small businesses, start-ups, and laboratory applications. It offers efficient shrinking capabilities with a smaller footprint, making it perfect for low-to-moderate production volumes.
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The standard machine is a versatile, dependable “workhorse” for most moderate-speed packaging lines. It offers an excellent balance of speed, cost, and reliability, handling a wide range of common consumer product sizes and shapes.
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Built for robust performance, this machine is engineered for high-speed, continuous-duty operations and the packaging of large, bulky, or heavy items. It features reinforced construction and powerful heating elements to handle demanding industrial conditions.
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Using controlled, uniform steam rather than electric heat, this specialized machine applies highly conforming, premium shrink sleeve labels with precision. It is the gold standard for irregular, curved, or complex containers, providing a smooth, wrinkle-free finish.
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For products that don’t fit into a standard mold, we offer completely customized solutions. These machines are engineered from the ground up to address specific speed requirements, unique product dimensions, specialized conveyor systems, or extreme environment specifications.
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Below is a quick-reference table of standard parameters. Custom builds are available — chamber length, conveyor width, and voltage can all be configured to your line.
| Parameter | Standard Range |
|---|---|
| Chamber Size (L × W × H) | 600–2400 mm × 350–800 mm × 200–500 mm |
| Conveyor Speed | 0–10 m/min (Variable) |
| Power Supply | 220V Single Phase / 380–415V Three Phase |
| Heating Power | 6–24 kW |
| Temperature Range | 0–250°C (Digital PID Control) |
| Air Circulation | Top-Bottom or 4-Direction (Model Dependent) |
| Conveyor Type | SS Rod / Silicone Belt / Mesh (Application Specific) |
| Body Construction | MS Powder-Coated or Full SS304 |
Amarpack shrink tunnel machines are running in the production lines of some of India’s most demanding manufacturers:
Choosing a shrink tunnel machine in India is rarely about the headline price. It is about the cost of downtime two years from now, the wait time when a heating coil burns out, and whether the engineer who attends your service call actually understands your machine.
Here is why over 1,000 Indian manufacturers have chosen Amarpack:
Buying a shrink tunnel machine is the start of the relationship, not the end. Every Amarpack installation includes:
At Amarpack Machines Private Limited, we’ve helped manufacturers across India find the right shrink tunnel solution for their exact production needs — from compact semi-automatic setups to high-speed fully automatic lines.
📞 Talk to our packaging experts today. We’ll assess your current line, understand your seasonal volumes, and recommend a solution that’s sized right — not just for April, but for every high-demand season ahead.
Get a Free Consultation → Contact Us
Amarpack Machines Private Limited | Shrink Tunnel Machines | Mumbai, India Trusted by FMCG, Food & Beverage, Pharma, and E-commerce manufacturers across India.
Founded in 1998 in Mumbai, India, AmarPack Machines Pvt. Ltd. is one of India’s leading manufacturers and exporters of premium packaging machines. Read More
GST No. 27AAZCA2345J1Z6
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