FLAME-PROOF AND NO-SMOKE-PRODUCING PLATE FOR ARCHITECTURAL USE

摘要

A flame-proof and no-smoke-producing wooden plate for architectural use comprising a wooden base plate, a layer of a water-proof composition formed on said wooden plate, a layer of a water-soluble silicate selected from the group consisting of sodium silicate or potassium silicate formed on said layer of said water-proof composition, and an additional layer of a water-proof composition formed on said water-soluble silicate layer. Each of said water-proof compositions is formed by adding to a water-soluble silicate selected from the group consisting of sodium silicate and potassium silicate a dicalcium silicate material which combines with a water-soluble silicate to produce a self-setting mixture.