Magnesium oxide coating composition and process

Details Magnesium oxide coating composition and process Magnesium oxide coating composition and process

1975-02-24

1976-01-13

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

148 315, 148113, 148122, 148 131, 427126, 427127, B23K 3524

Patent

active

039322017

ABSTRACT:
Magnesium oxide coating compositions, process for their preparation and process for applying said compositions as adherent dried coatings which when annealed form relatively non-porous insulations providing improved electrical insulating properties. The coating compositions comprise a major proportion of magnesium oxide and a minor proportion of zinc permanganate and magnesium sulfate, wherein the concentration of zinc permanganate is from about 4 to about 16 parts per 100 parts of magnesium oxide and the concentration of magnesium sulfate is at least about 50 parts per 100 parts of zinc permanganate.

REFERENCES:
patent: 2354123 (1944-07-01), Horstman et al.
patent: 3627594 (1971-12-01), Yamamoto et al.
patent: 3697322 (1972-10-01), Lee et al.

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