Abstract: Provided is a cover coating composition for a glass lining comprising a frit constituting the composition which mainly includes 65 to 75 mol % of SiO2, 2 to 8 mol % of ZrO2, 10 to 22 mol % of R2O where R represents Li, K, or Cs, and 2 to 12 mol % of R?O where R? represents Mg, Ca, Sr, or Ba, and the frit is free of Na2O, and said cover coating composition for a glass lining may further contain a metal fiber.

Abstract: Provided is a cover coating composition for a glass lining comprising a frit constituting the composition which mainly includes 65 to 75 mol % of SiO2, 2 to 8 mol % of ZrO2, 10 to 22 mol % of R2O where R represents Li, K, or Cs, and 2 to 12 mol % of R?O where R? represents Mg, Ca, Sr, or Ba, and the frit is free of Na2O, and said cover coating composition for a glass lining may further contain a metal fiber.

Abstract: A new glass lining application method enables stable, uniform glass lining layers to be applied to large glass-lined instruments composed of a stainless base material, the method including forming a thermal spray treatment layer by applying a thermal spray treatment to a surface of a stainless base material using a thermal spray material selected from a group composed of a stainless material identical to the base material, Ni metal, Cr metal, Fe metal, Co metal, Ni—Cr alloys, and Fe—Cr alloys, then forming a glass lining layer on the thermal spray treatment layer by means of a glass lining heat treatment using a ground coat and a cover coat, a surface roughness Rz of the thermal spray treatment layer being within a range from 5 to 100 &mgr;m, and an open pore diameter being within a range from 3 to 60 &mgr;m.

Abstract: A conductive glass lining composition includes 100 parts by weight of a frit and 0.05 to 1.5 parts by weight of a metal fibers of 0.1 to 30 .mu.m in diameter, 1.5 to 10 mm in length and a length-to-diameter ratio of not less than 50.

Abstract: The present invention provides an enamel frit composition which comprises a component selected from the group consisting of SiO.sub.2, B.sub.2 O.sub.3, Al.sub.2 O.sub.3, CaO, MgO, Na.sub.2 O, K.sub.2 O, Li.sub.2 O, BaO, ZnO, TiO.sub.2 and ZrO.sub.2, and one or more lanthanoid elements of the atomic numbers of 58 to 60 and 62 to 71 and which enables direct coating without any ground coating.

Abstract: A process for preparing enamelware by preparing a slip containing inorganic fibers having a diameter of 5 to 30 microns and a length of 1 to 5 millimeters, enameling a ware with the slip, and drying and firing the enameled ware.

Abstract: This invention relates to a glass composition for alkali-resistant glass fiber, which comprises:(a) 30 - 57% by weight of SiO.sub.2 ;(b) 12 - 26% by weight of ZrO.sub.2 ;(c) 14 - 26% by weight of R.sub.2 O (wherein R represents Na, K or Li);(d) 1 - 11% by weight of R'O (wherein R' represents Ca, Ba, Mg, Zn or Co);(e) 0.1 - 6% by weight of CaF.sub.2 ;(f) 0.1 - 10% by weight of M.sub.2 (SiF.sub.6) (wherein M represents Na, K or Li); and(g) 0.1 - 12% by weight of B.sub.2 O.sub.3.This invention further relates to a glass composition for alkali-resistant glass fiber, which comprises:(a) 30 - 57% by weight of SiO.sub.2 ;(b) 12 - 25% by weight of ZrO.sub.2 ;(c) 14 - 26% by weight of R.sub.2 O (wherein R represents Na, K or Li);(d) 1 - 11% by weight of R'O (wherein R' represents Ca, Ba, Mg, Zn or Co);(e) 0.1 - 6% by weight of CaF.sub.2 ;(f) 0.1 - 10% by weight of M.sub.2 (SiF.sub.6) (wherein M represents Na, K or Li);(g) 0.1 - 12% by weight of B.sub.2 O.sub.3 ;(h) an effective amount of up to 3% by weight of TiO.sub.