50% Tin, 50% Lead Solder. For use only in non-potable water applications. Convenient 8 oz. roll. Melting range of 445 to 500F.50% tin, 50% lead solderFor use only in non-potable water applicationsConvenient 8 oz. rollMelting range of 445 to 500F. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Wash hands after handling.