20 mm Flip-Off Seal
- Aluminum with polypropylene button
- Bagged
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Closures & Accessories
Aluminum Caps & Seals
Crimp caps and flip-off seals for dependable closure. Aluminum and aluminum-plastic caps are available in standard sizes from 13 mm to 32 mm.
Flip-off caps · 13–32 mm
- 13–32 mm
- Cap sizes
- 5
- Standard types
- Al + Plastic
- Construction
- Flip-off · Crimp
- Seal styles
Plain and flip-off caps
Specifications and Dimensions
Reference dimensions for plain aluminum caps and aluminum-plastic flip-off caps.
All dimensions in mm
Plain Aluminum Caps
Standard plain aluminum cap sizes. Inner diameter and inner height are shown in millimeters.
| Type | Inner Diameter | Inner Height |
|---|---|---|
| 13 mm | 13.3 ± 0.1 | 6.3 ± 0.1 |
| 20 mm | 20.3 ± 0.1 | 7.3 ± 0.1 |
| 28 mm | 28.6 ± 0.1 | 10.2 ± 0.1 |
| 32 mm | 32.6 ± 0.1 | 12.5 ± 0.1 |
Aluminum-Plastic Flip-Off Caps
The schematic shows how the flip-off cap dimensions in the following table are measured.
| Type | Plastic Diameter | Inner Diameter | Plastic Height | Overall Height | Inner Height | Thickness |
|---|---|---|---|---|---|---|
| 13mm | 15.0±0.2 | 13.3±0.1 | 3.0±0.1 | 7.3±0.1 | 6.3±0.1 | 0.2 |
| 15mm | 17.2±0.2 | 15.4±0.1 | 3.2±0.1 | 8.1±0.1 | 7.1±0.1 | 0.2 |
| 20mm | 22.0±0.2 | 20.3±0.1 | 3.5±0.1 | 8.2±0.1 | 7.3±0.1 | 0.2 |
| 28mm | 30.6±0.2 | 28.6±0.1 | 4.1±0.1 | 11.2±0.1 | 10.0±0.1 | 0.24 |
| 32mm | 35.0±0.2 | 32.6±0.1 | 4.4±0.1 | 13.6±0.1 | 12.5±0.1 | 0.24 |
Sourcing a size or color outside this range? Alternative configurations may be available —request a quote.
Product range
Available Caps & Seals
Aluminum Vial Crimp Caps
- 13 mm · 20 mm · 28 mm · 32 mm
- Aluminum
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Related Product Ranges
Browse related vial and stopper product ranges.
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