Hard of unifrom colour, free from all vegetable and mineral staisns , cracks buckles and other similar defeects and foreign inclusion , except that may be slightly wavy and may contain slight air inclusion in not more than on e - half of the usable...
Application : Paints, Plastics, Welding Electrodes,welding electrodes, cables & wires and in acoustical plaster., Used as filler in rubber plants,Industrial