配方类型:

MATERIALS OF CONSTRUCTION

配方说明:

Cement for Wallboard Joints (U.S. Patent 2,662,024)

配方组成:

ASbestos/10-20
Clay/5-10
Dead-Burned Gypsum/35-50
Portland Cement/1
Mica/10-20
Dextrin/15-20

配制方法:

Powder all ingredients finely before mixing. Mix with water to use.