Method for making silica fibers

Details Method for making silica fibers Method for making silica fibers

1980-06-23

1982-06-01

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 31, 156663, 423335, C03C 2506, C03C 1500, B44C 122

Patent

active

043326013

ABSTRACT:
Process for the production of water containing water glass fibers of the type in which alkali water glass is dry spun into water containing fibers, the improvement being dry-spinning water glass free from non-alkaline compounds having a molar ratio of alkaline oxide to silicon dioxide of from about 1:3 to 1:1.9 and a viscosity of about 10-700 Pa measured at 30.degree. C., at 10.degree.-50.degree. C. in a drying funnel of a temperature of more than 100.degree. C., at a discharge velocity of minimum 5m/min.

REFERENCES:
patent: 2338463 (1944-01-01), Skaupy et al.
patent: 4200485 (1980-04-01), Price

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