500pcs/lot 20mm Butyl Rubber Stopper Plug for medical glass bottle Vials
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Specifications
- Brand Name
- NONE
- High-concerned chemical
- None
- Type
- Hand Tool Parts
- Material
- Rubber
- Origin
- Mainland China
Product Description
500pcs/lot 20mm Butyl Rubber Stopper Plug for medical glass bottle Vials
Attention: NO Sterilized Packing！！！
500pcs 20mm Butyl Rubber Stopper Plug for medical glass bottle Vials
20 teeth of butyl rubber plug, the most common specifications, can be used with most of the 20 caliber bottle With the same specifications of the aluminum cover or aluminum-plastic caps
Pros & Cons
Pros
- Butyl rubber for chemical resistance and airtight seal
- Standard 20mm with 20 teeth for wide compatibility
- Bulk 500pcs lot for cost savings
- Suitable for medical glass vials
Cons
- Not sterilized, requires user decontamination
- Rubber may degrade with certain chemicals
- No size variations offered
- Bulk packing without individual wraps
Common Questions
What material are the rubber stoppers?
Butyl rubber for medical glass bottle vials, 20mm size.
What is the size and tooth count?
20mm diameter with 20 teeth; common spec for 20 caliber bottles.
Are they compatible with standard vials?
Fits most 20mm medical glass vials; not sterilized.
How to use the vial stoppers?
Plug into bottle necks for sealing; ideal for lab or medical storage.
Shipping and quantity details?
500pcs/lot from Mainland China; no sterilized packing.
Product information last updated on March 19, 2026