20mm Aluminium Plastic Flip Off Multi-cap for Vial
Our 20mm aluminium plastic flip off multi-cap for vial is a top-of-the-line product that combines functionality and style. Designed to ensure a secure and tight fit on any vial, this cap is perfect for the pharmaceutical and biotech industries.
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Description
20mm Aluminium Plastic Flip Off Multi-Cap · Pharmaceutical Vial
Dual-Colour PP · Multi-Format · ISO 8362-2 · Factory-Direct · 48-Hour Sample
20mm aluminium plastic flip off multi-cap ·
pharmaceutical vial · dual-colour PP · multi-format
· ISO 8362-2
20mm Aluminium Plastic
Flip Off Multi-Cap
For Pharmaceutical Vials · Dual-Colour PP Design · Multiple Format Options · ISO 8362-2 · Factory-Direct
Single-colour · dual-colour · tri-colour PP combinations · flip off · solid top · combination formats · full production range
|
20mm ★ Cap size |
Al + PP Composite |
Dual-colour PP design ★ |
Multi-format 3 cap types |
ISO 8362-2 Compatible |
48-hour Sample dispatch |
What "multi-cap" means - the dual-colour PP design
20mm aluminium plastic flip off multi-cap - more than one
colour, more than one function
The 20mm aluminium plastic flip off multi-cap is a pharmaceutical vial closure that extends the standard single-colour flip off cap concept into a dual-colour or multi-colour design - using two distinct polypropylene (PP) colour zones on a single cap to carry more product identification information simultaneously than a single-colour cap can achieve. The term "multi-cap" in the pharmaceutical packaging context refers to this multi-colour PP architecture: a cap with one primary outer colour zone and a second contrasting inner colour zone, readable as two independent colour signals in a single glance at the vial top.
The two-zone PP colour architecture
A standard single-colour flip off cap carries one PP colour - the flip tab is uniformly one colour, providing one colour-coding signal. The multi-cap design divides the PP component into two distinct colour zones: an outer ring (visible around the perimeter of the cap top when looking down at the vial from above) and an inner central disc (visible in the centre of the cap top). When different colours are specified for the outer ring and inner disc, the resulting cap top presents two simultaneous colour identifiers - the combination of outer colour plus inner colour constitutes a unique, instantly readable two-dimensional identifier.
This dual-colour architecture multiplies the number of unique visual identifiers available from a single cap format. With a palette of 12 standard PP colours, a single-colour cap produces 12 unique identifiers. The same 12 colours in a dual-colour multi-cap produces up to 144 unique outer-plus-inner combinations - more than enough to differentiate every product in even the largest injectable pharmaceutical product portfolio without reusing a colour combination.
Multiple formats - flip off, solid top, combination
The multi-cap dual-colour PP design is available across three standard cap formats, allowing the same dual-colour identification system to be applied consistently across the full product presentation range. The flip off format (PP outer ring + inner disc with snap-off tab) is the standard pharmaceutical vial cap format where the tab is removed before needle access. The solid top format (PP outer ring + inner disc, continuous - no flip tab) is used for single-dose applications requiring maximum tamper evidence and a cleaner aesthetic top surface. The combination format pairs the dual-colour cap with a matched bromobutyl rubber stopper pre-assembled into the cap - supplied as a single ready-to-apply closure unit.
The dual-colour architecture is consistent across all three formats - the outer ring and inner disc colour zones are present in the same proportions and visual relationships whether the cap is a flip off, solid top, or combination format, maintaining visual consistency across the product presentation system.
The aluminium shell remains silver - both colour zones are PP, not aluminium colour
As with all standard aluminium plastic flip off caps, the aluminium crimp shell of the multi-cap remains in its natural silver-grey aluminium finish. Both the outer colour zone and the inner colour zone of the multi-cap are created by the PP components - the outer ring PP and the inner disc PP are two separately moulded or co-moulded polypropylene elements in different colours. The aluminium shell provides the crimp, tamper-evidence, and structural functions; the PP elements provide the dual-colour identification. This is visible from the side of the vial: the silver aluminium skirt is present, and the two PP colours are visible on the top surface of the cap.
Three formats - flip off, solid top, and combination
20mm multi-cap in three closure formats - same
dual-colour design, three functional configurations
The dual-colour multi-cap architecture is available across three functionally distinct 20mm pharmaceutical vial cap formats. Each serves a different closure requirement, but all share the same outer-ring plus inner-disc PP dual-colour identification system.
Dual-colour flip off multi-cap
PP outer ring + inner disc · snap-off tab · standard format
The most common multi-cap format. The PP flip tab incorporates both colour zones - the outer ring (one colour) and the inner disc (contrasting colour) - visible from above before the tab is removed. The tab is snapped off before needle access, exposing the rubber stopper beneath. Both colour zones are identifiable from the moment the vial is in the dispensing environment, before the cap is removed. This is the standard format for multi-product pharmaceutical lines where visual identification speed at the dispensing point is critical.
✓ Dual-colour PP outer ring + inner disc
✓ Flip tab snapped off before needle access
✓ Both colours identifiable before tab removal
✓ Most widely used multi-cap format ★
Dual-colour solid-top multi-cap
Continuous PP disc · no tab opening · maximum tamper evidence
The solid-top multi-cap carries the same dual-colour PP architecture - outer ring plus inner disc - but with a continuous, unperforated PP top surface: no flip tab and no opening. The two PP colour zones form a concentric circle pattern on the solid top surface. Needle access requires penetrating through the solid aluminium and PP disc into the rubber stopper below, or removing the entire cap using a decapper. Preferred for single-dose applications requiring the strongest tamper evidence and the cleanest, most premium-looking vial top appearance.
✓ Continuous solid PP top - no flip tab
✓ Dual-colour concentric zones visible from above
✓ Maximum tamper evidence - no tab to partially remove
✓ Premium appearance - ideal for branded single-dose
Dual-colour combination multi-cap
Cap + stopper pre-matched · single-unit application
The combination multi-cap supplies the dual-colour flip off or solid-top cap pre-assembled with the matched 20mm bromobutyl rubber stopper - cap and stopper arrive as a single unit ready to place over the filled vial neck and crimp in one motion. The dual-colour identification is maintained identically to the standalone cap formats. The combination format simplifies the filling process by eliminating the stopper-placement step and ensures the correct stopper is always paired with its matching cap - particularly useful in multi-product filling environments where multiple stopper types are in use simultaneously.
✓ Dual-colour cap + bromobutyl stopper pre-paired
✓ Single-step application - place and crimp
✓ Eliminates stopper-placement step on filling line
✓ Available with flip off or solid-top dual-colour cap
How dual-colour combinations multiply identification capacity
| Cap type | Colour signals per cap | Unique identifiers from 12 colours | Typical use case |
|---|---|---|---|
| Standard single-colour flip off | 1 colour (tab) | 12 unique caps | Small product ranges |
| Dual-colour multi-cap ★ | 2 colours (outer ring + inner disc) | Up to 144 unique combinations ★ | Large multi-SKU portfolios |
| Dual-colour + Al shell colour | 3 signals (outer PP + inner PP + Al) | Further extended range | Premium branded ranges |
Custom colour combinations available - any outer + inner pairing from the 12-colour PP palette
All 12 standard PP colours (blue, red, green, amber, white, black, purple, yellow, pink, light blue, orange, teal) are available for both the outer ring and inner disc of the dual-colour multi-cap. You may specify any combination of these 12 colours for the two zones - there is no restriction on which colours are paired. For colour combinations outside the standard 12, custom PP pigmentation is available subject to minimum order quantities and a colour-matching sample approval process. Share your Pantone reference or physical colour sample for a matching quote.
Product description
20mm Golden Tear Off Cap Snap-Mouth Bottle Health Care Product Manufacturer
Material: aluminum-plastic
Different type of flip off cap, tear off cap
Different type of plug, rubber stopper
Our 20mm aluminium plastic flip off multi-cap for vial is a top-of-the-line product that combines functionality and style. Designed to ensure a secure and tight fit on any vial, this cap is perfect for the pharmaceutical and biotech industries. The aluminum material provides a sleek and modern look while also offering durability and resistance to corrosion.
The multi-cap feature allows for easy and fast access to the contents of the vial, making it a popular choice for busy healthcare professionals. An added advantage is the flip-off seal which ensures the purity and integrity of the contents inside the vial.
Our 20mm aluminium plastic flip off multi-cap for vial is not only practical, but also customizable, with a variety of colors and designs to choose from. Its easy-to-use and stylish design will enhance the overall look and feel of any product.
Order your 20mm aluminium plastic flip off multi-cap for vial today and see the difference it can make in protecting and presenting your valuable contents.
Complete specifications
20mm aluminium plastic flip off multi-cap - full specification reference
Reference specifications for the 20mm dual-colour aluminium plastic flip off multi-cap.
| Parameter | Specification / value | Notes |
|---|---|---|
| Construction | ||
| Cap type | Flip off multi-cap ★ | Dual-colour PP design |
| Nominal size | 20mm | ISO 8362-2 neck finish |
| Al shell | Silver-grey aluminium · continuous skirt | Standard pharmaceutical Al |
| PP zone 1 - outer ring | Any of 12 standard colours ★ | Visible at cap perimeter |
| PP zone 2 - inner disc | Any of 12 standard colours ★ | Visible at cap centre |
| Format options | Flip off · Solid top · Combination cap | All dual-colour capable |
| Dimensions and compatibility | ||
| Vial neck standard | 20mm · ISO 8362-2 | Standard pharmaceutical vial |
| Compatible vial volumes | 5ml · 10ml · 20ml · 30ml · 50ml | Full 20mm vial range |
| Matched stopper size | 20mm bromobutyl rubber stopper | Standard or PTFE coated |
| Crimping tooling | Standard 20mm die | No special tooling required |
| Colour and supply | ||
| Standard colour palette | 12 colours × 12 colours = 144 combinations | All combinations available |
| Custom colour | Yes - Pantone or physical sample matching | Subject to MOQ |
| USP <7> note | Logo on Al skirt only - not top surface | US injectables |
| Sample | Free - physical dual-colour sample · 48h | Specify colour combination |
| MOQ (indicative) | 1,000 pcs per colour combination | Confirm at enquiry |
Who orders the 20mm dual-colour multi-cap
20mm flip off multi-cap - who specifies and why
The dual-colour multi-cap is ordered by pharmaceutical manufacturers and packaging teams where single-colour caps no longer provide sufficient identification capacity or visual differentiation.
Large generic pharmaceutical companies
30+ injectable SKUs · 20mm vials
Generic injectable manufacturers producing 30 or more products in 20mm vials - where single-colour options are exhausted and dual-colour combinations are the only way to maintain unique cap identification across every product.
Hospital pharmacy departments
Formulary coding · medication safety
Hospital pharmacy and clinical risk management teams adopting two-dimensional cap colour coding - particularly for multi-concentration products where strength differentiation at the point of use is a medication safety priority.
CDMOs - multi-client fill-finish
15+ clients · client-specific colour code
Contract fill-finish organisations running 15 or more client products in 20mm vials who need a cap coding system that can uniquely identify every client's product using dual-colour combinations.
Branded specialty pharmaceutical
Visual differentiation · premium positioning
Branded specialty injectable manufacturers using the dual-colour multi-cap as a premium packaging element - differentiating their product from single-colour commodity alternatives with a more sophisticated vial seal.
Oncology drug producers
Black + secondary colour · multi-product
Oncology manufacturers combining the black outer ring (oncology signal) with a range of inner disc colours for individual product identification within the oncology category.
Premium cosmetic injectable brands
Luxury presentation · serum · peptide
Premium cosmetic and medical aesthetics brands packaging hyaluronic acid, peptide, and growth factor vials where the dual-colour multi-cap contributes to a more sophisticated premium vial presentation.
Two colours. One cap. 144 unique identifiers.
20mm dual-colour multi-cap - choose your outer + inner combination, sample in 48 hours
Tell us your format (flip off, solid top, or combination), outer ring colour, inner disc colour, and vial volume - we'll confirm availability and dispatch free physical samples within 48 hours. Mixed colour combination samples welcome.
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