Sandwich/Trifoil silver brazing strip is a composite material with the brazing filler metal on either side of a central copper core. FORTEBRAZE sandwich/trifoil silver brazing strips are ideal for brazing large carbide pieces of more than 2 mm in any dimensions. Sandwich/Trifoil silver brazing strip is designed to artificially thicken a joint, relieving stress and reducing the incidence of cracking. The additions of manganese