Gypsum wallboard paper having imitation manila colored coating

Details Gypsum wallboard paper having imitation manila colored coating Gypsum wallboard paper having imitation manila colored coating

1986-11-18

1990-09-25

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of carbohydrate

428703, 428903, B32B 1302

Patent

active

049592726

ABSTRACT:
A paper cover sheet particularly designed for use as the face sheet in the manufacture of gypsum wallboard, the face sheet having a base formed of a plurality of filler plies formed of recycled paper comprised of clean hard stocks such as kraft and boxboard cuttings, and being free of topliner plies containing flyleaf furnish, the base having a coating on the face surface thereof comprising a light colored mineral filler and a binder. The coating provides a light color to the face surface generally termed "manila". The elimination of the topliner plies results in a paper of excellent strength and porosity.

REFERENCES:
patent: 2806811 (1957-09-01), Von Hazmburg
patent: 3671615 (1972-06-01), Price

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