Beijing Sino-Asia Construction Material Co., Ltd
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Gypsum Board

— Gypsum Board, Ceiling Board
Product Category: Ceiling
Sales Method: Export, Manufacture
Min. Order Unit Price

Product Detail

Product Attribute:

  • China (mainland) More >
  • 06/22/2011
  • 06/22/2011

Product Content Description:

Gypsum board is the generic name for a family of panel-type
products consisting of a noncombustible core, primarily of
gypsum, with a paper surfacing on the face, back, and long
edges.
Gypsum board is often called drywall, wallboard, or
plasterboard and differs from products such as plywood,
hardboard, and fiberboard, because of its noncombustible
core. It is designed to provide a monolithic surface when
joints and fastener heads are covered with a joint
treatment system.
Gypsum is a mineral found in sedimentary rock formations in
a crystalline form known as calcium sulfate dehydrate. One
hundred pounds of gypsum rock contains approximately 21
pounds (or 10 quarts) of chemically combined water. Gypsum
rock is mined or quarried and then crushed. The crushed
rock is then ground into a fine powder and heated to about
350 degreesF, driving off three fourths of the chemically
combined water in a process called calcining.

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