Method of making a highly fire resistant construction board

Details Method of making a highly fire resistant construction board Method of making a highly fire resistant construction board

1997-08-25

2000-04-25

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264273, 2642791, B28B 116

Patent

active

060540885

ABSTRACT:
A highly fire resistant construction board is produced by embedding a sheet of expanded metal net in a building board made from a water settable inorganic binder. In a preferred embodiment, the wallboard is made from a combination of gypsum, cement, and a particulate mineral filler such as perlite or vermiculite, and contains an embedded layer of expanded metal net made from a magnesium alloy.

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Chemical Abstracts, 101:115869m, Lightweight fire-resistance.
Chemical Abstracts, 84:110644e, Light Gypsum Material.

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