This Puraflow Leaded Solder Wire is a high capillary wire designed for perfect welding of copper tubing and brass fittings that are commonly found in heating and plumbing industries. Containing lead, this product is not suited for potable water applications. but produces neat and strong joints in other plumbing and heating applications. Features and Benefits Leaded 30/70 wire makes the product suited for non-potable applications Supplied on a 250g reel to keep the solder organised Produces perfect, long holding joint to save you having to re-weld Possesses good flow characteristics to ensure an easy soldering experience Typical Applications Heating Plumbing Standards BS EN 29453