Patent ID: 6266979
Filing Date: 2001-07-31
Classification: C03B,C22C

Abstract:
A spinner disc for fiberizing molten glass in a rotary fiberizing process at temperatures of 1800.degree. F. to 2000.degree. F.; the spinner disc having a bottom disc plate and an annular peripheral sidewall integral with and extending upward from the bottom disc plate which has a plurality of fiberizing holes therein through which molten glass is passed by centrifugal force to form glass fibers; the spinner disc being made of an alloy consisting essentially of:Co 22.0-40.0 Cr 30.0-34.0 Ni 29.0-31.0 Mo 0.0-6.0 C 0.45-0.60 Si 0.25-1.0 Mn 0.30-0.80 PM 0.0-2.0 CFM 0.0-1.30in percentage by weight.