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FiltersIf you arrived here searching for a “plastic welding machine,” “plastic welding gun,” “hot air plastic welder,” or “professional hot air gun,” this is the category where you should choose your equipment according to the application, not simply by power rating.
The BAK / HERZ range is designed for professionals welding thermoplastic materials in manufacturing, repairs, installation and construction. As our stock and product range expand, this category may include classic and digital plastic welders, cordless models, professional hot air tools and specialized welding equipment.

Typical applications include PVC and plastic membranes, waterproofing, tarpaulins and technical fabrics, plastic sheets and films, PVC flooring, tanks and containers, pipes, profiles, panels, plastic repairs and industrial plastic component manufacturing.
The correct welding temperature, airflow and nozzle should always be selected according to the thermoplastic material, material thickness and geometry of the weld.
A professional plastic welding machine should be considered part of a complete welding system. For this reason, RezistenteMag is developing a complete range around the equipment, including speed welding nozzles, wide slot nozzles, adapters, pressure rollers, weld preparation tools, transport cases and service parts.
Choosing the correct nozzle and accessories can be just as important as choosing the plastic welding gun itself.
For professional users, downtime means additional cost. RezistenteMag focuses on product availability, spare parts, in-house service and technical support in Romania.
You can purchase your professional plastic welding equipment from us and return whenever you need nozzles, heating elements, accessories, consumables, spare parts or maintenance.
If you already work with a Leister plastic welder, hot air gun or equipment from another manufacturer, tell us the model, material and application.
We can recommend a suitable BAK / HERZ alternative or a compatible accessory where technical compatibility has been confirmed.
We do not select equipment based on assumptions. We check the connection, power requirements, technical specifications and application before recommending the appropriate solution.