配方类型:

PAPER

配方说明:

Coating for Strawboard (U.S. Patent 2,711,156)

配方组成:

Water/60.2
Caustic soda/5.5
China Clay/19.0
Hydroxyethylcellulose/4.3
Barium Sulfate/11.0

配制方法:

Apply by a roller. Remove the excess by a doctor blade and spray with 10% sulfuric acid at 35'C.