Johnston Industrial Plastics Limited
20 Fleeceline Rd, Toronto, Ontario, M8V 2K3 Canada View map
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Hot Air Welders

Johnston Industrial Plastics provides quality hot air welding tools for use on Polyethylene (PE), Polypropylene (PP), Polyvinylidene fluoride (PVDF), and other types of thermoplastic materials. Founded in 1942, we are the oldest Canadian distributor of plastic shapes.

We distribute a wide range of products from U.S. manufacturers Leister Technologies and Wegener Welding, who themselves have been in business for decades, and have been doing so for over 35 years.

Product Lines

Our catalogue of hot air welding tools includes automatic hot air welding machines for foil and overlap welding; extrusion welders for creating strong welds on thicker materials with one seam; and hot air blowers for warming, shrinking, drying, soldering and de-soldering, and sterilizing. We also carry accessories, such as tracking jets, reflector nozzles, and welding mirrors.

The Weldmax from Leister offers independent adjustments of temperatures and output rates, protection for motor start-up, and includes a welding rod intake that will not twist. At 443 x 94 x 225 mm and weighing 3.8 kg, the Weldmax is versatile, quiet, and works well in small or confined spaces.

The Exweld Alpha from Wegener lives up to its name, providing an exceptional extrusion weld with its electronically controlled drive motor and dual channel temperature controller to prevent the tool from being damaged by cold starts.

Industries Served

Our hot air welders are used by our customers in construction, aerospace, automotive, and metal processing industries, amongst other highly technical fields, and with fully stocked facilities in four provinces across Canada, we are able to provide quick and effective customer care and delivery services.

Our Manufacturers of Hot Air Welding Tools

Leister Technologies, founded in 1949 and operating in the U.S. since 1961, employs over 40 specialists from the processing, mechanical, and electrical engineering fields to develop new technology and drive innovation. Wegner Welding, who has serviced the thermoplastic welding and fabrication products industry since the early 1980’s, has the experience and expertise in design, engineering, and manufacturing to ensure their product line produces optimum results.

Exweld Alpha
Power Supply 230V single-phase
Power Consumption 3960W max.
Maximum Output PE: 2.6 kg/hour; PP: 2.2 kg/hour
Weight 5.9 kg
Length 20"
Rod Size PP: 3, 4 or 5 mm; PE 3, 4 or 5 mm

Hot Air Welders Industrial Applications

Our customers work in the construction, chemical, aerospace, automotive, electrical, and metal processing industries, among others.

Hot Air Welders Manufacturers

A world leader in hot air welding equipment since 1949, Leister Technologies is committed to high production quality, constant innovation and superb customer service.

Since the early 1980s, Wegener Welding has used their extensive design and engineering experience to manufacture top-quality welding technologies for the fabrication, manufacturing and construction industries.


Johnston Industrial Plastics Limited
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