化学配方数据库
| 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 95C. and keep at 90 to 95C. for 1 hour. Then cool. |
| 返回数据库查询 |