Title:
WALL BOARD PAPER * WALL BOARD AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPS5488310
Kind Code:
A
Abstract:
Drying oils are used to improve strength and durability characteristics of gypsum wallboard paper with many unexpected additional advantages. Applied before board manufacture, critical porosity characteristics are left uninterrupted. Applied after board manufacture, shear strengths are obtained beyond expectations.
More Like This:
Inventors:
DONARUDO ROBAATO KOORU
DONARUDO ANDORIYUU KOSASU
DONARUDO ANDORIYUU KOSASU
Application Number:
JP11986478A
Publication Date:
July 13, 1979
Filing Date:
September 28, 1978
Export Citation:
Assignee:
NAT GYPSUM CO
International Classes:
E04F13/14; B32B13/08; D21H19/10; D21H27/22; E04C2/04; D21H17/02; D21H17/38; D21H17/48; (IPC1-7): B32B13/08; D21H1/40