Solder pipes securely with this silver lead-free plumbing solder, which is suitable for potable water applications. Made from a durable alloy of copper, bismuth, tin, and silver, it ensures reliable connections. With a melting range of 420°F to 460°F, it meets ASTM B-32 standards for quality and safety. This 1 lb solder is an essential component for any plumbing project requiring strong and safe joints.