Description
The 300mm heat sealer 5mm cutter magnet from Pacmasta is a hand-operated impulse sealer designed for workplaces that need a clean, precise seal and the convenience of an integrated sliding cutting blade in a single compact unit. Part of the Pacmasta HCG series, it seals and trims in one operation, reducing handling time and keeping finished packs looking neat.
Key Features of the 300mm Heat Sealer 5mm Cutter Magnet
- 300mm sealing length suits a wide range of bag and poly-tubing widths
- 5mm seal width provides a strong, reliable bond on most standard plastic packaging films
- Integrated sliding cutting blade trims excess material 6mm from the seal line in the same action as sealing
- Built-in magnet assists with consistent jaw closure and positioning across repeated use
- Impulse heating technology – the element heats only during the sealing cycle, reducing energy use and minimising the risk of accidental burns during idle periods
- Suitable for sealing poly-tubing and most standard plastic packaging films
- Also available in 2mm seal width for applications requiring a narrower seal
How Impulse Sealing Works
Unlike constant-heat sealers that remain hot throughout operation, impulse sealers generate heat only at the moment the jaws are closed and the cycle is triggered. This makes the 300mm heat sealer 5mm cutter magnet well suited to environments where the sealer sits idle between tasks, as there is no continuously hot element to manage. The built-in magnet holds the jaws in alignment during the seal cycle, contributing to consistent results from one pack to the next. The combined seal-and-cut action means operators do not need to reach for scissors or a separate blade after each seal, which helps maintain throughput on a busy packing bench.
Typical Applications
This sealer is used across medical, pharmaceutical, and general packaging operations. In clinical and pharmaceutical settings it is commonly used to seal sterilisation pouches, specimen bags, and other poly-film packaging where a clean cut finish matters. In general packaging and light industrial environments it suits the sealing of poly-tubing, flat bags, and similar plastic materials. The combined seal-and-cut action makes the 300mm heat sealer 5mm cutter magnet a practical choice for any packing bench where a separate cutting step would slow the process.
Who This Sealer Suits
The Pacmasta 300mm heat sealer 5mm cutter magnet is appropriate for small-to-medium volume packing operations where a hand-operated unit is sufficient. It is a good fit for clinics, laboratories, pharmacies, and packaging rooms that process a variety of bag sizes within the 300mm width range. Operators who regularly seal poly-tubing will find the built-in cutter particularly useful, removing the need to reach for scissors after each seal.
If your operation requires foot-operated sealing to keep both hands free for product handling, the Pacmasta Impulse Heat Sealer – Foot Operated 300mm x 2mm Seal is a related option worth considering. For applications requiring a wider seal width or a longer sealing bar, other models in the Pacmasta range are available to match different production requirements.





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