Patent ID: 8501643
Filing Date: 2013-08-06
Classification: C03B,C03C,F01N,Y10T

Abstract:
1. Basalt filament manufactured by a method for manufacturing, comprising the steps of: grinding basalt rock material; washing a resultant ground rock; melting the ground rock that has been washed; transforming a molten product into fiber; and drawing the fiber in an aligned manner, and winding it to produce the basalt filament, wherein the temperature of the molten product in the melting step is 1400 to 1650° C., and wherein log η is 2.15 to 2.35 dPa·s, where η is the viscosity of the molten product, wherein the basalt rock material comprises a mixture of 85 wt % of a high-temperature basalt rock ore and 15 wt % of an intermediate-temperature basalt rock ore, wherein the high-temperature basalt rock ore comprises 57.1 to 61.2 wt % of SiO wherein the intermediate-temperature basalt rock ore comprises 54.0 to 58.2 wt % of SiO