Flip Off Button Cap
Designed specifically for sealing injectable drug vials, vaccine bottles, and lyophilized powder vials in the pharmaceutical and biotechnology industry. It has a unique two-component closure structure; it has good tamper-evidence, exceptional hermetic sealing integrity...
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Full Customization
Description

Products Description
| Product Name: | Flip Off Button Cap |
| Material: | Grade 8011 Aluminum Alloy / USP Class VI Polypropylene (PP) |
| Standard Sizes: | 13mm / 20mm / 28mm / 32mm (Custom sizes available upon request) |
| Aluminum Shell Thickness: | 0.20mm – 0.25mm (Commonly used: 0.20mm, 0.22mm) |
| PP Button Thickness: |
1.0mm – 1.5mm (Commonly used: 1.2mm) |
| Temperature Resistance: | -60°C to +121°C (Compatible with lyophilization, cryogenic storage, and autoclaving) |
| Sterilization Compatibility: | Gamma Irradiation / Ethylene Oxide (EtO) / Autoclaving |
| Appearance: | Plain / Color Coated / Logo Printed / Embossed / Laser Coded / QR Code (Full Pantone color range available for both aluminum shell and PP button) |
| Compliance Standards: | USP Class VI / EP 3.2.9 / ISO 8362-3 / ISO 11607 / FDA 21 CFR / GMP / RoHS / REACH |
| MOQ: | 500 pcs |
| Lead Time: | 10-20 days |
| Trade Terms: | EXW / FOB Shanghai / CIF / DDP |
| Packaging: |
Individual poly bag + inner carton + export reinforced outer carton / pallet custom branded packaging available upon request |
Products features
| 1 | High cost-performance ratio, easy to customize |
| 2 | Superior sealing integrity |
| 3 | Stable manufacturing technology, chemically resistant, and sterilization compatible |
| 4 | High performance, superior tamper-evidence |
| 5 | Suitable for: Lyophilized (Freeze-Dried) Powder, injection, biological |
Application scope
contact us for more color and type, customized flip off button cap
Vial Size & Filling Product Reference Table
| Vial Size | Typical Fill Volume | Common Filling Products | Cap Size |
| 2ml vial | 0.5ml - 2ml | Analgesics, vitamins, hormones, biologics, vaccines | 13mm |
| 5ml vial | 1ml - 5ml | Antibiotics, analgesics, cardiovascular, biologics | 13mm / 20mm |
| 10ml vial | 3ml - 10ml | Antibiotics, oncology, hormones, diagnostics | 13mm / 20mm |
| 20ml vial | 5ml - 20ml | Lyophilized powder, oncology, infusion drugs | 20mm |
| 30ml vial | 10ml - 30ml | Oncology, lyophilized biologics, coagulation factors | 20mm |
| 50ml vial | 20ml - 50ml | Cytotoxic agents, veterinary multi-dose, diagnostics | 20mm |
where you can use the flip off button cap to seal the small volume vials
nominal fill volume of 100ml or less, range of 2ml, 5ml, 10ml, 20ml, 30ml, and 50ml
1. Solution for Injection
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Ready-to-use sterile aqueous or non-aqueous drug solutions filled directly into vials under aseptic conditions, requiring no reconstitution prior to administration.
Common Vial Sizes: 2ml, 5ml, 10ml, 20ml
Cap Specification: 13mm or 20mm flip off button cap
2. Powder for Injection (Lyophilized & Aseptic Fill)
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Sterile dry powder formulations filled into vials either by aseptic powder filling or lyophilization (freeze-drying), requiring reconstitution with a suitable solvent prior to administration.
Common Vial Sizes: 5ml, 10ml, 20ml, 30ml
Cap Specification: 20mm flip off button cap
3. Biological Injectables
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Sterile biological drug products derived from living organisms, manufactured under stringent aseptic conditions and filled into vials requiring the highest level of closure integrity and sterility assurance.
Common Vial Sizes: 2ml, 5ml, 10ml, 20ml
Cap Specification: 13mm or 20mm flip off button cap
4. Vaccines
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Sterile immunological preparations filled into single-dose or multi-dose vials under aseptic conditions, requiring maximum sterility assurance and tamper-evident closure integrity throughout cold chain distribution and storage.
Common Vial Sizes: 2ml, 5ml, 10ml (single-dose and multi-dose formats)
Cap Specification: 13mm or 20mm flip off button cap
5. Veterinary Injectable Products
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Sterile veterinary drug formulations filled into single-dose and multi-dose vials for livestock, poultry, companion animal, and aquaculture applications.
Common Vial Sizes: 5ml, 10ml, 20ml, 50ml (multi-dose formats)
Cap Specification: 20mm flip off button cap
Why Customers Choose Our flip off button cap?
Superior Sealing Integrity and Pharmaceutical Performance The aluminum crimp shell bonds to the vial neck at a precise mechanical interference fit, ensuring the closure will never loosen or detach throughout the entire product shelf life. It reliably performs across a wide temperature range (-60℃ to +121℃), is chemical-resistant, sterilization-compatible, and aging-resistant.
Flexible Size Range: Standard sizes 13mm, 20mm, 28mm, and 32mm diameter, with fully adjustable cap height, aluminum shell thickness, and septum thickness meeting the needs of various injectable vial formats from 2ml to 50ml
Flexible Configuration Options: Plain aluminum crimp cap, flip off button cap, or tear off cap configurations available, perfectly matching customer pharmaceutical filling line equipment, clinical administration requirements, and regulatory submission specifications
Supports logo printing, QR codes, barcodes, batch numbers, and Pantone color coding on both the aluminum shell and PP button surface, ensuring permanently clear product identification and brand recognition

OEM Custom 13mm Matte Frosted flip off button Cap | 6-Rib 6-Petal Design
We offer extensive custom manufacturing and OEM services for a wide range of flip off button cap, with our flagship product being the premium 13mm aluminum plastic combination cap. This composite cap is engineered for excellence, featuring an elegant matte (frosted) finish and a distinctive 6-rib and 6-petal design, making it the perfect choice for brands that refuse to compromise on quality or aesthetics.
Size: 13mm
inner diameter 13.3mm
inner height 6.2mm
aluminum thickness 0.2mm
Finish: Elegant Matte / Frosted surface
Design: Unique 6-Rib and 6-Petal pattern
Color: Available in Multi-Color options. We offer custom colors to match your brand identity perfectly.
At [hang zhou sunny commodity co.,ltd, we are more than just a supplier;
we are your strategic partner in packaging.
Our OEM and ODM services allow you to customize every aspect of your bottle caps.
Design Flexibility: Customize the design beyond our standard 6-petal pattern.
Color Matching: Expert multi-color printing and Pantone matching services.
Logo & Branding: Emboss, deboss, or print your logo directly onto the cap.
Material Compliance: All materials meet international safety and quality standards.
We invite you to experience the difference that a premium custom manufactured vial cap can make.
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