... specific purposes. Features1,Evenly-sprayed particles on coated surfaces; 2,Advantages of both fixed and dissociated polishing modes with the ... . Main SpecificationsWidth1.2mm, 1.6mm, 2.0mm, 2.5mm, 3.0mm, 3.2mm, 3.8mm, 5.0mm, 12.6mmLength45m(150feet),100m,183m(600feet), ... shafts; Magnetic head, HDD; Semiconducting materials (gallium arsenide, indium phosphide, etc. Polishing Film for Optical Connectors