Oatey® 95/5 Lead Free Plumbing Wire Solder is a tin-antimony wire solder designed for use in plumbing applications where frequent and extreme temperature changes and vibrations occur. Lead free alloy of 95% tin and 5% antimony.Features a 450-464 deg. F melting range.Meets the requirements of the Safe Drinking Water Act.Most commonly used where frequent and extreme temperature changes and vibrations occur.