Product Specifications:
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Zinc Alloy Bottle Cap for Whiskey |
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Main Diameters: |
18.5mm / 21.5mm / 28mm / 30mm / 33mm
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Customization: |
Supports molds for all sizes from 18 to 120mm |
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Material:
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High-purity Zamac Zinc Alloy |
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Surface Treatment: |
PVD Gold Plating / Rose Gold / Black Titanium, Electroplating, Matte, Brushed |
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Sealing Structure: |
Double-layer seal, spring stopper / screw-in (choose one) |
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Environmental Standards: |
Compliant with REACH and RoHS, MSDS available |
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Weight: |
5g–450g (customizable) |
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Tolerance: |
±0.05mm (customizable) |
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Suitable Scenarios: |
High-end gift boxes, regular bottling, brand customization |
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Applicable Bottle Types: |
Whiskey, Brandy, Spirits, Liquor Bottles, Rum, and other high-end spirits brands |
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Minimum Order Quantity: |
Small batch orders accepted, bulk orders receive preferential pricing |
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Key Selling Points |
Full range of sizes | Strong sealing | High-end texture | Colorfast and oxidation-resistant |
The above specifications and prices are for reference only. Please provide your required specifications for a prompt quote and sample arrangement.
Product Details:
Whisky bottle caps are available in industry-standard inner diameters of 18.5mm and 21.5mm, while also covering common spirits thread diameters such as 28mm and 30mm. They perfectly match different closure structures including T-stops, screw caps, and alloy caps. The 18.5mm diameter whisky bottle caps are primarily used for small-capacity tasting bottles and elegant gift sets, offering stable sealing and a comfortable insertion/removal feel. The 21.5mm diameter whisky bottle caps are the standard size for 750ml whisky bottles, compatible with automated filling lines, balancing reliable sealing with brand presentation. The 28–30mm diameters are designed for larger-capacity sharing bottles and customized bottle shapes, offering greater versatility. Custom designs are provided by the zinc alloy Zamac caps factory, and delivery is completed to the client.
Whisky bottle caps are made with high-purity zinc alloy and feature a double-sealing structure, supporting both spring-loaded and screw-in sealing options. The weight is adjustable from 5–450g depending on the diameter and shape. Surface finishes include PVD gold/rose gold/black titanium plating, electroplating, and matte. The Whisky bottle cap factory complies with REACH and RoHS environmental requirements and provides MSDS reports. From standard diameters to custom designs, all can be produced to order, balancing filling efficiency, spirit preservation, and a premium visual presentation. This makes it the preferred sealing solution for many whisky brands' large-scale production and high-end customization needs.
Learn more about Whisky bottle cap customization solutions at: https://gdgcx.com