配方类型:

LEATHER

配方说明:

Bleaching Tanning Extract (U.S. Patent 2,653,967)

配方组成:

Ammonium Vanadate (in 25 cc. Water)/0.25
Caustic Soda (in 25 cc. Water)/16
Quebracho Extract/3000
Sodium Hydrosulfite/45
Sodium formate/60

配制方法:

Heat slowly to 95'C. and keep at 90 to 95'C. for 1 hour. Then cool.