The raw materials of basalt are selected, crushed, put into a smelting furnace at a high temperature of 1450℃-1600℃, then draw into the continuous fiber through a high-speed drawing machine with a 200-600 hol platinum-rhodium alloy bushing.
The raw materials of basalt are selected, crushed, put into a smelting furnace at a high temperature of 1450℃-1600℃, then draw into the continuous fiber through a high-speed drawing machine with a 200-600 hol platinum-rhodium alloy bushing.