FRIT OF GROUND-COAT SHEET-STEEL ENAMEL Russian patent published in 1994 - IPC

Abstract RU 2020136 C1

FIELD: chemical industry. SUBSTANCE: the frit of a ground-coat sheet-steel enamel comprises (wt %): 34-37 silicon oxide SiO₂; 4-6 aluminium oxide; 18-22 boron oxide; 23-25.5 sodium oxide; 1.4-2.5 titanium oxide; 1.9-2.3 phosphorus oxide; 4.3-5.0 ferric oxide; 1.4-1.6 cobalt oxide; 5-6 manganese oxide; 0.7-0.9 nickel oxide, the Co₂O₃ to Ni₂O₃ ratio being 1.77-2.0. The characteristic of the ground-coat enamel: the firing range 320-330 C and the impact strength 11.76-14.99 kgm/J. EFFECT: improved properties of the ground-coat enamel. 2 tbl

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RU 2 020 136 C1

Authors

Ioffe V.Ja.

Voloshina L.V.

Кarabylo V.I.

Ushakov D.F.

Doskach N.А.

Аgapov Ju.Ja.

Dates

1994-09-30—Published

1990-12-25—Filed