Resinoid diamond wires can be produced at lower cost, but show blue brittleness after being heated to be cured.Copper powder can be added to the resin to increase the strength of the wire.

• 树脂结合剂金刚石锯丝的制造工艺简单，成本低，但在树脂加热固化过程中易引起金属丝青脆，可在树脂中添加微细铜粉提高锯丝的强度。