PAPER SURFACE GYPSUM BOARD AND PREPARATION METHOD THEREFOR
A paper surface gypsum board, which comprises a board core and surface protection papers; the board core is divided into a first area and a second area, the first area comprising zeolite and expanded clay aggregate, and the second area comprising zeolite and not comprising expanded clay aggregate; a...
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Format: | Patent |
Sprache: | chi ; eng ; fre |
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