配方类型:

MATERIALS OF CONSTRUCTION

配方说明:

Light Weight Building Block (U.S. Patent 2,899,325)

配方组成:

Rosin Powder/0.15-0.25
Cement/1.00
Sawdust/5.00
Water/To suit
Burned Gypsum Powder/0.85-1.25
Sand/1.00

配制方法:

Mix well and cure.