... in the form of tough, white fibers 39 to 79 in (1 to 2 m) in diameter and 1 ,37 8 to 6,496 in (35 to 165m) long, bulking 9 to 34 lb/ft 3 (144 to 544 kg/m 3 ). It is used as a fillerfor plastics ... atensile strength ranging from 35 0,000 to 450,000 lb/in2(2,4 13 to 3, 102MPa), a modulus of 28 ϫ 106to 75 ϫ 106lb/in2(1 93, 000 to 517,000MPa), and a shear strength of 13, 000 to 17,000 lb/in2(90 ... compounding is made into dustfree pelletsless than 0.125 in (0 .3 cm) in diameter with a density of 20 to 25 lb/ft 3 (32 0 to 400 kg/m 3 ). Color-grade black for inks and paints is pro-duced by the...