Silver phosphor copper solder. Fusion 645/780°. For strong soldering. Can be used on pipes of sanitary installations, heating, etc. Cleaning pipes and fittings (copper, steel, PVC...) before welding or gluing. Deburring, sheet metal cleaning, metal deoxidation, deburring, maintenance, etc. Very flexible and easily torn by hand allowing you to work on small diameters and reach the least accessible burrs. 120 grit Tape 38 mm x 1 m in blister packaging.