Method of making a fire-resistant translucent solid layer

Details Method of making a fire-resistant translucent solid layer Method of making a fire-resistant translucent solid layer

1985-12-19

1987-06-30

Lusignan, Michael R.

Coating processes

Transparency or translucency increased

427377, 4273978, B05B 500, B05D 302

Patent

active

046769986

ABSTRACT:
The drying of a hydrated alkali metal silicate aqueous solution on a substrate to produce a light-transmissive fire-resistant layer is carried out at a temperature of about 100.degree. C. in a drying chamber which is initially filled with water vapor. An operation of the water vapor is condensed and the atmosphere is replenished with helium, oxygen, nitrogen or a mixture thereof so that during the drying, the atmosphere consists at least 90% by volume of water vapor and one or more of these gases, the balance being nitrogen and/or argon and/or sulfur hexafluoride.

REFERENCES:
patent: 4179535 (1979-12-01), Kalbskopf et al.

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