HFT’s weld backing tape that can feel the heat

Ceramic backing tape is often used to help support weld roots.
However, with a melting point of 1,800ºC concerns grow during tungsten inert gas welding where temperatures can reach up to 6,000ºC.
Leaders in weld purging technology Huntingdon Fusion Techniques HFT manufacture a range of the tape with no true melting point that helps to support weld roots and prevent ‘sugaring’ or ‘grapes’.
Luke Keane, technical sales manager for Huntingdon Fusion Techniques HFT, said: “Achieving clean welds is easy with Argweld weld backing tape available up to 600 amps. This will with help protect and support the back side or under side of the joint during welding.”
Suitable for stainless, carbon, duplex and chrome steels, as well as other reactive alloys, weld backing tape is used for manual and automatic welding. It can help achieve higher welding speeds and dramatically reduce the amount of post weld cleaning required.
Each tape consists of a 3 inch (75mm) wide aluminium adhesive tape, in the centre of which is a 1 inch (25mm) wide band of woven glass fibre. The glass fibre matting has differing thicknesses to match the welding current in use.

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