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Jointing metal tubing
Page 89
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ARECENT addition to the range of Loctite materials produced by Douglas Kane (Sealants) Ltd. is known as Tube Seal and is a high-strength sealant that can be used to join tubes of dissimilar metal. Inert and leakproof, the seal has a shear strength of 2,000 p.s.i. and tests have shown that when applied to aluminium tubing the tube will distort before the joint brakes. It is claimed that using the seal is less costly than welding, brazing or threading in applications to typical tubular structures.
When the sealant is used in place of threading, it enables the wall thickness of the pipe to be reduced and therefore the cost. While the material cures automatically at room temperature, a fast cure can be provided by a special heating device that takes the form of a trigger-operated soldering gun with a double bit. Made by: Douglas Kane (Sealants) Ltd., Swallowfields, Welwyn Garden City, Herts.