Spec.: 20D4 rubber stoppers/20D4 freeze dryer stopper/ 20mm rubber stoppers for lyophilization use /butyl rubber stoppers in pharma grade
Color: Grey color
Material: Butyl rubber stoppers
Rubber stopper sizes:
| Item |
Dimension |
| Diameter of top part |
18.8±0.2mm |
| Thickness of top part |
3.3±0.25mm |
| Diameter of plug stem |
13.2±0.1mm |
| Total height |
14±0.3mm |
Packing Information:
Packing way: Carton packing
Inside bag material: PE or RFS
Qty per carton for 20mm: 8000pieces
Gross weight per carton: 19.6kgs
Min order quantity: 10000pieces
Delivery time: within 2 weeks
Loading port: Qingdao port or any port of China
Audited Supplier 
Audited Supplier 
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