GD 28 (MCA 28) – The Aluminum Screw Closure for Demanding Filling Operations
Proven in the beverage and dairy industries. Sterilization-resistant. Individual. Process-reliable.
One Closure. Maximum Range of Application.
The GD 28 (MCA 28) is an aluminum screw closure that has proven itself in the daily production of numerous filling operations – from still mineral water to sparkling wines to milk and milk-based mixed drinks. Whether beverage filler, dairy, or contract filler: the GD 28 provides the technical foundation your line can rely on.
Areas of application include:
Why Fillers Trust the GD 28: Our USPs
Reliable tightness for cold filling, hot filling, pasteurization, and sterilization.
PVC-free, PVC-containing, or without a sealing liner – matched to your fill product, your filling conditions, and your product requirements.
From neutral gold/silver to full-surface brand printing – your closure becomes part of your brand presence.
Standard versions available from a single carton unit; special colors and custom decors available from two pallets.
Numerous mineral water springs, beverage manufacturers, contract fillers, winegrowers, cider mills, dairy operations, and distributors in Germany and Europe rely on our closures.
Hygienic transport in cartons, octabins, or mesh boxes – matched to your storage conditions and line concepts.
Technical Versions & Variants
The GD 28 is available in several versions – selectable according to filling process, security requirement, and machine compatibility:
| Version | Abbreviation | Typical Application |
| Segmented screw closure | SK 6 | Standard filling with tamper-evidence |
| Security ring | SIR | Increased tamper resistance |
| Roll-on closure | RO | Without security element, flanged |
| Without cutting line | OSL | Without security element, not flanged |
Liners: Safety and Compliance Tailored to Your Needs
The choice of sealing liner is not a minor detail – it determines product safety, shelf life, and compliance with food law requirements (EU Regulation 1935/2004). We advise you on selecting the optimal liner variant for your specific fill product and process temperatures.
Available liner types
- PVC-containing liners for a wide range of applications
- PVC-free liners for special sustainability or market requirements
- Version without liner
Design & Printing: Your Closure as a Brand Ambassador
Closures are often the last visual element the consumer perceives before opening the product. The GD 28 offers you complete design freedom: individual logo, full-surface printing, high-quality decor, or simple standard versions in neutral gold and neutral silver.
Standard colors and neutral versions are already available from a single carton unit – ideal for smaller batches or new products.
Custom decors and special colors are produced to your specifications starting from two pallets.
Interested in the GD 28? Get in touch with us.
We advise you on version, liner selection, and minimum quantities – and prepare a non-binding quote for you.
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