化学配方数据库
| 配方类型： | LEATHER |
| 配方说明： | Syntan (Synthetic Tanning Agent) (U.S. Patent 2,606,613) |
| 配方组成： | Sulfuric Acid/700 Rosin/12 Heat for 1.5 hours at 125C. and add at 95C Phenol/400 Cresol/400 Formaldehyde/675 Water/1200 \b-Naphthol/720 |
| 配制方法： | Adjust the pH with ammonia and acetic acid. |
| 返回数据库查询 |