- medical rubber stopper
- 2016-11-18 14:33
- The butyl rubber stopper Main Types: 20-A, 20-B2, 13-AExecutive standardAdapt standards of YBB00042002 and YBB00052002.
- Butyl rubber stopper 32-A
- 2016-10-24 16:37
- Name:Butyl Rubber StopperSpecification:20-B2Color:GreyStandard:YBB00042002YBB00052002Features:1 Used for chemical, hospi