配方类型:

MATERIALS OF CONSTRUCTION

配方说明:

Cement Lining for Metal Pipe (U.S. Patent 2,597,370)

配方组成:

River Sand/16.00-17.00
Blast-Furnace Slag/48.00-49.50
Gypsum/1.40-1.70
Portland Cement/33.00-34.00

配制方法: