Product Overview
The 20×7.5mm Aluminum-Plastic Flip Top Cap from Vialab Pharmaceutical Packaging Co., Ltd. is a precision-engineered closure solution designed for pharmaceutical vials, infusion bottles, and liquid soap containers. Featuring a durable aluminum body with an integrated plastic flip-top, this cap provides a secure, tamper-evident seal that ensures product integrity while offering convenient, single-handed opening for healthcare professionals and end-users.
Available in multiple colors—White, Green, Red, Yellow, Blue, and more—the 20×7.5mm cap combines functional excellence with aesthetic versatility, making it suitable for a wide range of applications including injectable medications, liquid pharmaceuticals, and personal care products.
The global Pharmaceutical Caps & Closures Market is experiencing steady growth, driven by factors such as increasing pharmaceutical production, stringent regulations for packaging and labeling, and growing demand for patient-friendly drug delivery systems. Key trends include an increased focus on tamper-evident closures and the adoption of sustainable packaging solutions. Vialab’s 20×7.5mm aluminum-plastic flip top cap is positioned to meet this growing demand, offering pharmaceutical manufacturers, contract packagers, and cosmetic brands a reliable, compliant, and cost-effective closure solution.
ISO 8872 Compliance – The International Standard for Aluminum Caps
What Is ISO 8872?
The Vialab 20×7.5mm Aluminum-Plastic Flip Top Cap is designed and manufactured in accordance with ISO 8872:2022—the international standard for aluminum caps and aluminum/plastic caps for infusion bottles and injection vials. This standard specifies general requirements and test methods for caps used to seal pharmaceutical containers, ensuring consistent quality, performance, and patient safety.
EN ISO 8872:2023 represents the European adoption of this standard, confirming that Vialab’s caps meet both international and European regulatory requirements for pharmaceutical packaging.
Key ISO 8872 Requirements
ISO 8872 defines critical parameters for aluminum and aluminum-plastic caps, including:
- Dimensional accuracy – Ensuring compatibility with standard vial neck finishes (13mm, 20mm, 28mm, 32mm)
- Mechanical strength – Withstanding crimping and handling stresses
- Sealing performance – Maintaining closure integrity throughout shelf life
- Tamper-evident features – Providing visible evidence of opening
Aluminum and aluminum/plastic caps are not considered as primary packaging materials that come into direct contact with pharmaceutical preparations. However, they are critical components of the container closure system, and their performance directly impacts product sterility and patient safety.
Tamper-Evident Flip-Off Design – Patient Safety First
The Flip-Off Mechanism
The Vialab 20×7.5mm cap features a flip-off (tear-off) button top design that provides:
- Tamper-evident security – The plastic button must be flipped or torn off to access the aluminum seal, providing visible evidence of opening
- Easy removal – Healthcare professionals can quickly access the vial contents without specialized tools
- Non-deformability – The cap maintains its structural integrity during storage and transport
Flip-off seals are specifically designed to seal vials containing injectable drugs. The combination of an aluminum outer cap with a plastic flip-top button creates a closure system that is both secure and user-friendly.
Container Closure Integrity (CCI)
Regulatory authorities including the FDA, EMA, and WHO emphasize Container Closure Integrity (CCI) as an essential requirement for GMP compliance and product approval. The FDA requires CCI verification during shelf-life studies per 21 CFR 211.94, while the EMA mandates CCI validation for sterile products under EU GMP Annex 1.
The Vialab 20×7.5mm cap is designed to support CCI validation through:
- Precise dimensional tolerances – Ensuring proper crimping and sealing
- Consistent material properties – Aluminum alloys and plastic components manufactured to tight specifications
- Compatibility with standard crimping equipment – Enabling reproducible sealing performance
EU GMP Annex 1 Compliance – Sterility Assurance
The Critical Role of Capping
EU GMP Annex 1 makes the point explicit: an aseptically filled vial is not regarded as fully closed until the aluminum cap has been crimped onto the stoppered vial, and the cap should be applied soon after stoppering. Products are considered unsealed before capping (crimping) and must be handled in a Grade A environment with a Grade B background to prevent contamination.
This regulatory requirement underscores the critical importance of high-quality aluminum-plastic caps in maintaining product sterility throughout the manufacturing process and shelf life.
ISO 15378 Certification – GMP for Primary Packaging
ISO 15378 is the GMP-oriented standard for primary packaging materials and is widely used as the benchmark for packaging component suppliers in the pharmaceutical industry. The European Medicines Agency (EMA) recognizes ISO 15378 certification and GMP-compliant manufacturing for caps.
Vialab’s manufacturing processes are aligned with ISO 15378 requirements, ensuring that every 20×7.5mm aluminum-plastic cap meets the highest standards of quality, cleanliness, and consistency.
Enhanced Sterility & Bioburden Control
Since the 2022 revision of EU GMP Annex 1, flip-off caps must meet enhanced sterility and bioburden control expectations. Vialab’s caps are manufactured under controlled conditions with rigorous bioburden monitoring, ensuring compliance with the latest regulatory requirements.
High-Quality Materials – Durability & Performance
Aluminum Body
The Vialab 20×7.5mm cap features a high-quality aluminum body that provides:
- Corrosion resistance – Ensuring long-term durability
- Structural integrity – Withstanding crimping forces without deformation
- Tamper evidence – Visible signs of tampering when opened
- Recyclability – Supporting sustainable packaging initiatives
Aluminum-plastic caps combine aluminum as the cap body with plastic as the sealing component. They possess corrosion resistance, elegance, sealing ability, and flexibility.
Plastic Flip-Top Component
The integrated plastic flip-top button offers:
- Ergonomic operation – Easy opening for healthcare professionals
- Color customization – Available in multiple colors for branding and identification
- Durable performance – Resistant to wear and repeated use
Non-Spill Design
The cap’s precision-engineered sealing surface ensures a non-spill closure that prevents leakage during storage, transport, and handling. This feature is particularly important for liquid pharmaceuticals and liquid soap products where spillage can lead to product waste and contamination risks.
Customization & Branding – OEM/ODM Services
Vialab offers comprehensive OEM and ODM customization services for the 20×7.5mm aluminum-plastic flip top cap:
Color Options
- Standard colors – White, Green, Red, Yellow, Blue
- Custom colors – Available upon request for brand differentiation
Logo Printing
- Custom logo – Brand identity can be applied to the cap surface
- Color matching – Consistent with brand color schemes
Packaging Options
- Carton packaging – Standard packaging for bulk distribution
- Custom packaging – Tailored to specific customer requirements
Low MOQ for Trials
With a minimum order quantity (MOQ) of 10,000 pieces, pharmaceutical companies and brand owners can easily trial the Vialab caps in small-batch production before scaling to commercial volumes.
Free Sample Available
Vialab provides free samples for customer evaluation, allowing buyers to test the cap’s fit, performance, and appearance before placing an order.
Applications
The Vialab 20×7.5mm Aluminum-Plastic Flip Top Cap is suitable for a broad spectrum of applications:
Pharmaceutical Applications
- Injection vials – Sealing vials containing injectable medications
- Infusion bottles – Closure for IV infusion containers
- Liquid pharmaceuticals – Sealing bottles containing liquid drug products
- Vaccine vials – Maintaining sterility for vaccine products
Personal Care & Cosmetic Applications
- Liquid soap bottles – Non-spill closure for soap and body wash products
- Lotion bottles – Secure sealing for skincare products
- Shampoo and conditioner – Durable closure for personal care packaging
Industrial & Laboratory Applications
- Laboratory reagents – Sealing chemical and biological reagents
- Diagnostic products – Closure for IVD and diagnostic containers
Regulatory Compliance & Quality Standards
The Vialab 20×7.5mm Aluminum-Plastic Flip Top Cap meets all current requirements of applicable ISO standards and regulatory frameworks:
International Standards
- ISO 8872:2022 – Aluminum caps and aluminum/plastic caps for infusion bottles and injection vials – General requirements and test methods
- EN ISO 8872:2023 – European adoption of the standard
- ISO 15378 – GMP-oriented standard for primary packaging materials
Regulatory Compliance
- EU GMP Annex 1 – Sterility and bioburden control requirements
- FDA 21 CFR 211.94 – Container closure integrity requirements
- WHO guidelines – Closures for containers for parenteral preparations should be equipped with a firm seal to prevent the entry of microorganisms and other contaminants
Quality Management
- ISO 13485 – Medical device quality management
- GMP-compliant manufacturing – Aligned with pharmaceutical industry standards
- Certificate of Analysis (COA) – Each shipment includes a COA
Vialab’s manufacturing facilities include advanced production lines and controlled environments, ensuring consistent quality, integrity, and compliance for global healthcare partners.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 20×7.5mm Aluminum-Plastic Flip Top Cap |
| Type | Flip-off / Tear-off cap |
| Size | 20mm × 7.5mm |
| Material | Aluminum body with plastic flip-top |
| Shape | Round |
| Color Options | White, Green, Red, Yellow, Blue (custom colors available) |
| Feature | Non-spill, tamper-evident |
| Application | Pharmaceutical vials, infusion bottles, liquid soap, personal care |
| Industrial Use | Pharmaceuticals, cosmetics, personal care |
| Custom Order | Accepted |
| Logo | Custom logo available |
| MOQ | 10,000 pieces |
| Sample | Provided freely |
| Service | OEM / ODM Customized |
| Packaging | Carton |
| Compliance | ISO 8872:2022, EN ISO 8872:2023, ISO 15378, EU GMP Annex 1 |
Key Benefits for Pharmaceutical & Cosmetic Manufacturers
1. Tamper-Evident Security
The flip-off design provides visible evidence of tampering, ensuring patient safety and product integrity. This feature is increasingly important as regulators focus on tamper-evident closures.
2. Regulatory Compliance
Manufactured to ISO 8872 and ISO 15378 standards, Vialab’s caps support customers in meeting global regulatory requirements for pharmaceutical packaging.
3. User-Friendly Design
The flip-off mechanism enables easy, tool-free opening for healthcare professionals, improving workflow efficiency in clinical settings.
4. Non-Spill Performance
Precision-engineered sealing ensures leak-proof closure, preventing product waste and contamination during storage and transport.
5. Brand Differentiation
Custom colors and logo printing enable brand identification and product differentiation in competitive markets.
6. Low MOQ & Free Samples
With an MOQ of just 10,000 pieces and free samples available, manufacturers can evaluate the cap’s performance before committing to large-volume orders.
Why Choose Vialab?
Vialab Pharmaceutical Packaging Co., Ltd. specializes in the design and manufacture of high-quality drug delivery and packaging components. From injection pens to sterile vials, every product is engineered to meet strict pharmaceutical standards. Our comprehensive product portfolio includes:
- Injection Pens (Disposable & Reusable)
- Glass Vials & Tubes (Parenteral Grade, Precise Dimensions)
- Sterile Vials (Ready-To-Use, Washed & Sterilized)
- Amber Glass Vials (For Light-Sensitive Pharmaceuticals)
- Aluminum & Aluminum-Plastic Caps (Tamper-Evident, Various Sizes)
- Customized Packaging Solutions (Pen Cases, Accessories, Etc.)
- Strict Quality Control (ISO/GMP Compliant)
With advanced production lines and cleanroom facilities, we ensure consistent quality, integrity, and compliance for global healthcare partners.
Conclusion
The Vialab 20×7.5mm Aluminum-Plastic Flip Top Cap represents the convergence of regulatory compliance, tamper-evident security, and user-friendly design. Manufactured to ISO 8872:2022 standards and compliant with EU GMP Annex 1 requirements, this cap delivers the quality, consistency, and performance that pharmaceutical manufacturers, contract packagers, and cosmetic brands demand.
Whether you are sealing injectable medications, liquid pharmaceuticals, or personal care products, Vialab’s 20×7.5mm aluminum-plastic flip top cap provides the secure, non-spill, tamper-evident closure you need—with customization options, low MOQ, and free samples to support your product development and commercialization efforts.
For inquiries about the 20×7.5mm Aluminum-Plastic Flip Top Cap, OEM/ODM customization, or other pharmaceutical packaging solutions, contact Vialab Pharmaceutical Packaging Co., Ltd. today.