Thermoforming Packaging Machine Suppliers & Manufacturers
Find thermoforming packaging machine manufacturers and suppliers on Towobo. Compare rollstock thermoforming machines for vacuum packing, MAP (modified atmosphere packaging), and skin packing of fresh meat, fish, cheese, ready meals, and other food products, as well as medical devices and industrial components.
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Browse Thermoforming Packaging Machine Suppliers →How thermoforming packaging machines work
A rollstock thermoforming packaging machine (also called a form-fill-seal thermoformer or FFS thermoformer) forms packs directly from two rolls of packaging film in an inline process. The thermoforming process: the bottom web (lower film) is fed from a roll into the forming station; the forming station heats the film and uses a vacuum or pressure tool (the forming die) to draw or press the film into the shape of the pack cavity — forming a tray, cup, or blister; the formed cavities advance to the loading station where product is placed manually or automatically; the filled cavities advance to the sealing station where the top web (upper lidding film) is pulled from a second roll, laid over the product-filled cavities, and heat-sealed to the formed bottom tray; optionally, vacuum is applied and/or MAP gas is injected before the top seal closes; the sealed packs advance to the cutting station where they are die-cut into individual or multi-cavity packs; the net waste film from the bottom web (the web trimmings outside the formed cavities) and the top web trimmings are wound up on waste reels. The result is a rigid or semi-rigid vacuum or MAP pack formed entirely from rollstock film. Thermoforming outputs include: vacuum skin packs — the top film is drawn tightly over the product surface by vacuum, creating a skin effect; standard vacuum packs — a rigid formed tray with a flat top seal under vacuum; MAP packs — the pack is flushed with gas before the top seal is applied; blister packs — for medical devices, hardware, consumer goods; aluminium foil blisters — for pharmaceutical solid dosage forms. Rollstock thermoforming machines for food are available in a range of sizes from compact machines for small producers to high-speed multi-cavity machines running at 15–30 cycles per minute, producing many packs per cycle.
Films, sanitary design, and sourcing
Rollstock thermoforming machines for food use specific bottom web and top web film combinations. Bottom web films must be thermoformable (capable of being formed into the pack cavity under heat and vacuum/pressure) and must provide the required barrier properties. Common bottom web films: PA/PE (nylon/PE) — the most common food thermoforming film; good barrier, good formability; OPA/EVOH/PE — higher oxygen barrier for longer shelf-life applications; PP/EVOH/PP — for hot-fill and cook-in-pack applications; aluminium foil laminate — for complete light and oxygen exclusion (pharmaceutical cold-form blisters); rigid PET/PE — for rigid trays with high oxygen barrier. Top web films (lidding): PA/PE or PET/PE — the standard peelable lidding for food vacuum and MAP; aluminium foil lidding — for pharmaceutical blister packs; skin film — a special highly oriented film that adheres to the product surface in vacuum skin packs. Sanitary design: food thermoforming machines for meat and fresh food processing must meet strict hygiene standards (EHEDG, NSF, or BRC/IFS requirements in Europe; USDA-accepted equipment in the US). Key features for food-grade thermoformers: stainless steel contact parts; open-frame construction for wash-down cleaning; no hollow-section structural members that cannot be cleaned; CIP (clean-in-place) sealing tool design. Key suppliers of food thermoforming machines: Multivac (Germany), ULMA (Spain), Ossid, Harpak-ULMA (US), Sealpac, Variovac. Chinese suppliers manufacture lower-cost machines suitable for certain food applications. When sourcing, specify: product type and dimensions, target shelf life and required residual oxygen, MAP gas composition if applicable, production speed (packs per minute), bottom web and top web film specifications, loading method (manual or automatic), and any regulatory requirements (USDA-accepted, CE marking, etc.).
Frequently asked questions
What is the difference between a tray sealer and a thermoforming machine?
A tray sealer seals a pre-formed rigid or semi-rigid tray (sourced from a tray supplier) with a lidding film. The tray is placed into the machine and the lidding film is sealed onto the tray's flange. A thermoforming machine forms the tray (or any pack shape) inline from a flat bottom web film roll — no pre-formed trays are required. A tray sealer is simpler and lower cost, and is more flexible for tray shapes and sizes (since the tray is pre-formed and can be changed without changing a forming tool). A thermoforming machine is more efficient at high volumes because it eliminates the separate tray manufacturing and logistics cost, but requires investment in forming tools for each pack format.
What cavity depth can a thermoforming machine achieve?
The forming depth (cavity depth) of a thermoforming machine depends on the film thermoformability, the forming tool geometry, and whether plug-assist (a mechanical plug that pre-stretches the film into the cavity before vacuum forming) is used. Typical forming depths for food packs are 10–120mm. For deep draw applications (e.g. a 100mm deep cavity for a thick steak or ready meal portion), plug-assist is essential for uniform wall thickness distribution. The machine manufacturer specifies the maximum forming depth and the recommended film draw ratios for each application.
Can a thermoforming machine be used for pharmaceutical blister packs?
Yes — thermoforming machines (and cold-form foil blister machines, which are a different principle) are the standard for pharmaceutical solid oral dosage form blister packs. Pharmaceutical thermoformers form PVC or PVDC blisters (thermoformed) or aluminium foil cavities (cold-formed) for tablets and capsules, with an aluminium foil top seal. Pharmaceutical blister machines must meet cGMP requirements (21 CFR Part 211 for the US; EU GMP Annex 1 or relevant guidance), and typically include track-and-trace serialisation systems and 100% inspection cameras. Pharma blister machines are a specialised category from suppliers such as Uhlmann, Romaco, IMA, Körber.
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