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Aluminum screw caps are closures made from aluminum that are designed to seal containers, typically bottles or jars, securely. They provide an airtight seal, preventing leakage and contamination of the contents. These caps are lightweight, corrosion-resistant, and can be produced in various sizes and designs to fit different container types. Aluminum screw caps are often lined with a sealing material to enhance their sealing capabilities.
| Material | Aluminum |
| Closure type | Screw-on |
| Standard sizes | 20mm to 120mm diameter |
| Lining options | Foam, plastic, or paper liners |
| Finish | Smooth or embossed |
| Color options | Natural aluminum, painted, or anodized finishes |
When choosing aluminum screw caps, consider the size and type of container you will be using. Specify the required diameter and height of the cap, as well as any lining preferences for sealing effectiveness. It is also important to consider the finish and color that aligns with your branding. If applicable, inquire about certifications for food safety or other industry standards, especially for food and pharmaceutical applications.
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They typically range from 20mm to 120mm in diameter.
Yes, aluminum screw caps are recyclable.
Yes, aluminum screw caps can be painted or anodized in various colors.
Lead times can vary, but typically range from 2 to 6 weeks depending on order size and customization.
Yes, when properly lined, they can provide an airtight seal.
They are widely used in the beverage, food, pharmaceutical, and cosmetic industries.