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High-temperature resistant aluminum–plastic flip-off caps designed for 20 mm glass vials. Smooth, burr-free edges protect stoppers during opening. Ideal for oral liquids, solutions, essential oils, and freeze-dried vials. Color Red
| Dimensions | N/A |
|---|---|
| Color | red |
| Material | Aluminum, plastic |
| Count | 10 Count, 25 Count, 50 Count |
These 20mm Flip Off Vial Seals Red come in sets of 10, 25, and 50 count.
The cap features a smooth, burr-free opening to prevent cotton or stopper damage during use.
To open, flip off the plastic cap and remove the aluminum seal using pliers if necessary. The flip off seal can withstand high temperatures. But this cover is fully tear-off, and when you tear off its plastic cover, the aluminum cover becomes unusable.
Caps Material: Aluminum, Plastic
Suitable for: 20 mm/0.8 inch Glass Vial
Inside diameter: 20 mm/0.8 inch
Outer diameter: 21 mm/0.9 inches
Height: 9 mm/0.4 inches
Aluminum–plastic flip-off caps are suitable for oral liquid bottles, solution bottles, essential oil bottles, and freeze-dried vials.
Get more info in our Blog: How to Use Flip Top Vial Seals and Rubber Stoppers
Get more info in our Blog: What’s the difference between M, mm, ml, mil?
Get more info in our Blog: Glass Vials and Bottles: How Are They Made?
These seals fit our 10ml and 20ml glass vials over our 20mm rubber stoppers. Crimp them on with our 20mm flip vial crimper. Want another color? Shop yellow, green, grey, black and blue.
How many seals come in a pack?
Choose 10, 25 or 50 seals.
Do these include stoppers?
No. These are seals only. Add our 20mm rubber stoppers to complete each vial.
Do I need a crimper?
Yes. The seal won’t lock onto the vial until it’s crimped. Our 20mm flip vial crimper presses it tight in one squeeze.
Can I reuse a seal?
No. Once the plastic cap is flipped off, the aluminum seal can’t be reused.
Why use different colors?
Colors make it easy to sort vials by batch, date or contents. This pack is red.
