化学配方数据库
| 配方类型： | ADHESIVES |
| 配方说明： | Mastic Sealing Compound (U.S. Patent 2,551,952) |
| 配方组成： | Carbon Black/40 Polyisobutylene/60 |
| 配制方法： | Mix until uniform. This is stable to thermal and ultraviolet changes and is used for sealing multiple-glazed windows. |
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