Ball fiber is ball shape fiber, fluffy, soft and durable. Usually HCS polyester fiber needs to be opened by opening machine, then balling by ball fiber machine. Also there is another way to form ball fiber, the opening and balling process can be finished in one machine.
Brown Fused Alumina(BFA) is a tough, sharp abrasives which is highly suitable for grinding metals of high tensile strength. Its thermal properties make it an excellent material for use in the manufacture of refractory products. This material is also used in other applications like blasting and surface hardening.