Material100% woolits density can be 0.12 g/cm3-0.75 g/cm3, thickness can be 0.5mm-90mm, or according to customers' requests. We are specialized in industrial wool felt and its products,such as wool felt wheel,wool felt pad,wool felt strip,wool felt circle etc. Characteristic of Industrial felt: the material of the felt is from wool.the wool itself is one kind of the biodegradation,the non-toxic ecology environmental protection material.