Easily formed chemically resistant glass fibers

Details Easily formed chemically resistant glass fibers Easily formed chemically resistant glass fibers

1983-11-18

1985-04-09

Bell, Mark

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 38, 501 59, 501 66, C03C 1300, C03C 308

Patent

active

045102520

ABSTRACT:
A devitrification resistant, sulfuric acid resistant and water resistant glass fiber consisting essentially of SiO.sub.2, Al.sub.2 O.sub.3, CaO, MgO, Na.sub.2 O and/or K.sub.2 O, B.sub.2 O.sub.3, and optionally Fe.sub.2 O.sub.3, and/or TiO.sub.2 and/or F.sub.2, said glass fiber having delta T of at least about 395.degree. F. and a durability (% fiber weight loss at 96.degree. C.) in water for 24 hours of less than about 1.6% and in 10% H.sub.2 SO.sub.4 for 24 hours of less than about 1.1%.

REFERENCES:
patent: 2308857 (1943-01-01), Bowes
patent: 3013888 (1961-12-01), de Lajarte
patent: 3513002 (1970-05-01), Labino
patent: 3853569 (1974-12-01), Laurent
patent: 4325724 (1982-04-01), Froberg

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