METHOD OF MANUFACTURING BLACK SHEET GLASS Russian patent published in 2001 - IPC

Abstract RU 2167836 C1

FIELD: manufacture of decorative facing materials. SUBSTANCE: blend comprising main glass- forming components also comprises mixture of iron-containing stock, metallic aluminium and sodium sulfate. In this case, Σ(Al+Na₂SO₄) = 12-24 (kg/t of glass body) and A/Na₂SO₄ ratio is 1.8-2, and content of iron-containing based on iron powder is 1-4 kg/t of glass body. In order to increase intensity of color hue, blend further comprises metallic selenium (Se) and at heat one component from group consisting of CoO and NiO in amount of Σ(Se+MeO_n= 0,01-0,2 (kg/t of glass body) at Se/MeO_n ratio of 0.5-3. EFFECT: more efficient manufacturing method. 3 cl, 3 ex

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RU 2 167 836 C1

Authors

Kondrashov V.I.

Gorina I.N.

Bondareva L.N.

Polkan G.A.

Kondrashov D.V.

Dates

2001-05-27—Published

1999-10-19—Filed