Red Seal Welding Practice Exam

Fused flux is the only type of SAW flux that is reusable. Agglomerated flux is formed into granules and cannot be reused once melted. Hydrobasic flux is known for its high recovery rates, but it is not reusable. Basic flux contains significant amounts of silica and cannot be reused. Only fused flux, which is made from glass particles that can be melted and remelted, is the only type of SAW flux that is reusable.