返回 化工助手
化学配方数据库
配方类型: MISCELLANEOUS
配方说明: Sticking Jar Screw Caps, Preventing
配方组成:
配制方法: For containers of watr solutions or water-soluble materials, coat threads of container or cap with a little "Vaseline" or other grease.
For containers of oil or other water-insoluble materials coat threads of container or cap with glycerin.

返回数据库查询
@2009-2026 洛克化工网 浙ICP备16009103号