PRODUCT
31.5mm Aluminum Olive Oil Bottle Cap
This 31.5mm aluminum olive oil bottle cap is designed for compatible olive oil glass bottles. Featuring an aluminum outer shell and a practical screw closure design, it offers a neat, professional finish for extra virgin olive oil, organic olive oil, and premium edible oil packaging. Custom colors, logo printing, and decorative finishes can help olive oil producers and private-label brands create distinctive packaging. The inner sealing component and bottle neck compatibility should be confirmed according to the selected cap configuration.
31.5mm Aluminum Olive Oil Bottle Caps
Product Overview
Designed for compatible olive oil glass bottles, these 31.5mm aluminum bottle caps provide a practical closure solution with a clean and professional appearance.
Featuring an aluminum exterior, the caps are suitable for a variety of food oil packaging applications, including extra virgin olive oil, organic olive oil, cold-pressed olive oil, and premium cooking oil.
With customizable colors, logo printing, and decorative finishes, these aluminum closures help olive oil producers, bottling companies, and private-label brands create packaging that reflects their brand identity.
The inner sealing component and closure configuration can be confirmed according to the specific bottle and packaging requirements.
Product Features
● Aluminum Construction: An aluminum exterior provides a neat and attractive finish for olive oil glass bottle packaging.
● 31.5mm Size Option: Designed for compatible bottle neck finishes with a nominal 31.5mm cap diameter. Actual compatibility should be confirmed before ordering.
● Screw Closure Design: Suitable for compatible bottle closure applications and commercial olive oil packaging.
● Custom Color Options: Different colors can be selected to coordinate with bottle designs and brand identities.
● Personalized Branding: Logo printing and decorative finishes help create distinctive packaging for different olive oil product ranges.
● Flexible Inner Components: Different liner or insert configurations may be available depending on the selected cap structure.
Product Specifications
● Product Type: Aluminum Olive Oil Bottle Cap
● Nominal Diameter: 31.5mm, subject to confirmation
● Height: To be confirmed
● Main Material: Aluminum
● Closure Type: Screw Closure / ROPP, subject to confirmation
● Application: Olive Oil Glass Bottles
● Suitable Products: Extra Virgin Olive Oil, Organic Olive Oil, Cold-Pressed Olive Oil and Edible Oil
● Color: Customizable, subject to production requirements
● Logo: Custom printing options available
● Inner Component: Plastic insert or sealing liner, depending on the selected configuration
● Bottle Compatibility: Must be confirmed according to the bottle neck finish
● Packaging: To be confirmed according to order requirements
Customization Options
A suitable bottle cap should complement both the bottle design and the brand's packaging concept. Customization options can help create a consistent appearance across different olive oil product ranges.
● Custom Colors: Select colors that match your brand identity, bottle color, and label design.
● Logo Printing: Add your brand name, logo, or graphic elements to the aluminum cap.
● Decorative Finishes: Available options may include surface printing, embossing, and other decorative treatments, depending on the cap structure.
● Inner Sealing Options: Select a suitable liner or insert according to the bottle design and sealing requirements.
● Size Compatibility: Confirm the cap dimensions and bottle neck finish before production.
Applications
These aluminum bottle caps are designed for compatible glass bottles used in food oil packaging.
● Extra Virgin Olive Oil
● Organic Olive Oil
● Cold-Pressed Olive Oil
● Premium Cooking Oil
● Specialty Edible Oils
● Other Compatible Food Oil Products
Why Choose Aluminum Olive Oil Bottle Caps?
The bottle closure is an important part of premium olive oil packaging. It contributes to the overall appearance of the product and needs to match the bottle neck and filling requirements.
Aluminum closures offer a versatile surface for different colors and branding designs. They can help olive oil producers create a coordinated packaging appearance while selecting suitable inner sealing components for their specific applications.
For commercial bottling projects, the complete closure system should be evaluated for bottle compatibility, sealing performance, and food-contact compliance before mass production.
Frequently Asked Questions
1. What bottles are compatible with a 31.5mm aluminum cap?
Compatibility depends on the bottle neck finish, thread design, and cap dimensions. A nominal 31.5mm diameter alone does not guarantee compatibility with every 31.5mm bottle neck.
2. Can the aluminum cap be customized with different colors?
Yes, custom color options can be discussed according to the selected cap design, production requirements, and order quantity.
3. Can I print my olive oil brand logo on the cap?
Logo printing and other decorative options may be available. Please provide your artwork and preferred design for confirmation.
4. Does the cap include a plastic pouring insert?
The inner configuration depends on the selected model. If you require a plastic pouring insert, please confirm this requirement before ordering.
5. Can this cap be used for extra virgin olive oil?
It is intended for compatible olive oil bottle packaging. The complete closure system should be checked for sealing performance and food-contact suitability before commercial use.
6. How can I confirm the correct cap size?
Please provide your bottle neck finish specification, technical drawing, or a physical bottle sample. This will help confirm the appropriate cap dimensions and closure configuration.
Request a Quote
Looking for 31.5mm aluminum closures for your olive oil packaging project?
Please share your bottle neck specifications, preferred cap color, logo artwork, required inner sealing component, estimated order quantity, and destination market.
These details will help determine a suitable aluminum bottle cap for your olive oil bottling requirements.
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31.5 × 24 mm · Compact format
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31.5 × 44 mm · Extended format |
CLOSURE FORMATS
Choose the cap around your bottle.
Cap appearance, neck fit and pouring performance need to work together. The dimensions below identify the available cap formats; they do not replace a bottle-neck drawing or a fit test.
| Nominal cap format | Configuration | Selection notes |
|---|---|---|
| 31.5 × 24 mm | Compact body | Short profile; confirm the compatible insert and bottle finish. |
| 31.5 × 44 mm | Extended body | Taller exterior profile; confirm capping clearance. |
| 33 × 44 mm | Premium format | 180° rolled-edge configuration shown in the technical reference. |
| 33 × 52 mm | Premium extended format | Non-rolled-edge configuration; height adjustment subject to drawing approval. |
Dimensions are nominal cap diameter × height. Different formats may require different bottle finishes and internal assemblies.
OPENING & POURING
Specify the function inside the cap.
Tamper-evident openingA breakable opening feature provides visible evidence of first opening. Confirm the band or ring design on the selected assembly and evaluate opening performance on the actual bottle. Pourer insertAn internal pouring component guides the oil stream. Request sample testing with your oil to assess flow, residual dripping and resealing after use. |
Three assembly referencesThe technical reference shows a basic assembly, a pop-up spring assembly and a wire-spring assembly. These are configuration alternatives; they should not be described as interchangeable without fit confirmation. Non-refillable requirementIf your application requires a non-refillable closure, specify this separately. Tamper evidence alone does not establish resistance to refilling. The exact mechanism and performance need confirmation. |
CUSTOM DECORATION
A closure that fits your packaging identity.
Discuss shell colors, top and side printing, hot stamping and embossing for your selected format. Decoration availability depends on the cap structure and artwork. Approve a physical sample to check color, logo positioning and the finished appearance beside your bottle label.
Share artwork
Provide your logo, color reference and intended placement.
Review the format
Confirm dimensions, insert function and neck compatibility.
Approve samples
Check appearance, opening, pouring and resealing before production.
PRODUCTION PLANNING
From Approved Specification to Finished Closures
The production route is selected for the approved closure assembly. It may include aluminum preparation and decoration, shell forming, plastic component molding, secondary decoration, component assembly, inspection and packing. The sequence and equipment used vary by format.
MANUFACTURING & EQUIPMENT
Manufacturing Capabilities Behind the Closure
Our partner manufacturing facilities provide the production and engineering capabilities shown below. These photographs are taken from the supplied manufacturing reference and illustrate general closure-making equipment. They are not presented as a dedicated olive oil cap line or as facilities owned by Colors Glass.
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01 / MANUFACTURING REFERENCE Aluminum Sheet PrintingSheet printing establishes the artwork before cap forming. The manufacturing reference shows a FUJI offset printing and coating line. Color references, print positions and the formed-cap appearance should be reviewed together during sample approval. |
Printed aluminum preparation and decoration
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Aluminum surface-finishing line
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02 / MANUFACTURING REFERENCE Aluminum Surface FinishingThe reference includes a roll-coating line for aluminum surface treatment. This is a metal-finishing process used in closure manufacturing. The coating system and relevant material documents should be confirmed for the selected product. |
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03 / MANUFACTURING REFERENCE Cap Forming & Automated ProductionCap production requires forming equipment and tooling appropriate to the selected shell geometry. The reference includes stamping equipment and automated production equipment from SACMI and other manufacturers. Final dimensions and tool requirements depend on the cap format. |
Automated closure production equipment
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Plastic component injection molding equipment
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04 / MANUFACTURING REFERENCE Plastic Component Injection MoldingInjection molding produces the plastic components used inside closure assemblies. The reference shows high-speed injection molding equipment. Insert geometry, material grade and bottle-neck engagement must be confirmed for each selected assembly. |
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05 / MANUFACTURING REFERENCE Roll Printing for Closure DecorationThe reference lists CALF and OMSO roll-printing equipment. Printing capability supports the review of decoration positions and artwork on closure components. The available printing method and color configuration are confirmed for the chosen format. |
Roll-printing equipment for closure decoration
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Hot-stamping equipment
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06 / MANUFACTURING REFERENCE Hot Stamping for Brand DetailsThe equipment reference identifies a MADAG hot-stamping machine. Hot stamping can be considered for metallic logos or details, subject to the cap geometry, artwork and required finish. Physical samples provide the basis for appearance approval. |
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07 / MANUFACTURING REFERENCE Component Assembly & Production HandlingAutomated manufacturing equipment supports component handling and production operations. The exact assembly route depends on the selected shell, insert and functional components. Confirm the approved configuration before production rather than assuming every insert can use the same assembly setup. |
Automated closure manufacturing equipment reference
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QUALITY CONTROL
Review Materials, Appearance and Functional Fit
| Control area | What the reference establishes | What to agree for your order |
|---|---|---|
| Incoming materials | The reference describes fixed material suppliers and grades, supplier quality agreements and retained incoming-material samples. | Material specification, traceability requirements and applicable food-contact documentation. |
| Appearance | High-speed automatic inspection and a visual inspection interface are shown. | Relevant defects, decoration approval, acceptance limits and inspection coverage. |
| Dimensions & assembly | Tooling and development equipment are shown; specific tolerances are not established here. | Approved drawings, component fit and dimensional acceptance criteria. |
| Bottle performance | No model-specific test results are supplied for the selected olive oil assembly. | Bottle fit, opening, leakage, pouring, resealing and any non-refillable requirement. |
DEVELOPMENT & SAMPLE APPROVAL
Evaluate the Closure on Your Actual Bottle
Start with the bottle-neck drawing or sample and your preferred cap format. Review insert requirements, decoration feasibility and any tooling changes. Evaluate physical samples for fit, first opening, pouring and resealing before approving the order.
Sampling time, custom tooling charges and production lead time are quoted separately according to the project. The equipment shown supports general engineering discussions and does not guarantee that every requested design is feasible.
PACKING & DELIVERY
Confirm the Packing Specification with Your Order
Confirm carton quantity, carton dimensions, gross weight, pallet arrangement and labeling requirements for the selected closure. Packing and handling should protect the approved finish and maintain the condition of internal components. Final packing data and shipping terms are provided with the quotation or order confirmation.
BOTTLE & LINE MATCHING
Confirm compatibility before production.
Send a bottle-neck drawing or physical bottle sample together with details of your capping equipment. We can review the required closure format and coordinate sample evaluation before the order is finalized.
- Bottle finish: thread profile, sealing land, neck bore and relevant tolerances.
- Closure: nominal size, insert type and tamper-evident or non-refillable requirements.
- Capping line: application method, tooling and operating conditions.
- Evaluation: fit, opening behavior, leakage, pouring and resealing.
- Documentation: food-contact information for the exact materials and destination market.
A matching nominal diameter does not guarantee fit. Final suitability depends on the bottle, closure assembly and capping process.
BUYING INFORMATION
Prepare a complete quotation request.
For olive oil producers, bottlers and private-label packaging projects, a complete specification helps avoid delays in sampling and quotation.
| Product | Olive oil bottle closure with pourer insert |
|---|---|
| Construction | Aluminum shell with plastic internal components; exact material grades to be confirmed |
| Decoration | Color and print options; hot stamping and embossing subject to format confirmation |
| Quantity | Provide order quantity per size, color and artwork |
| MOQ & lead time | Quoted according to the selected configuration and decoration |
| Packing | Carton quantity, carton size and pallet arrangement confirmed with the quotation |
| Samples | Request samples for bottle fit and pouring evaluation |
FREQUENTLY ASKED QUESTIONS
Before you choose a closure.
Will a 31.5 mm cap fit any olive oil bottle?
No. Nominal cap diameter is only a starting point. The bottle finish, sealing surfaces and insert geometry must match the selected closure.
Are all options non-refillable?
No universal non-refillable claim is made for this range. Specify the requirement and confirm the mechanism and testing for the selected assembly.
Can I customize the cap color and logo?
Color and decoration options can be reviewed for your cap format. Submit artwork and color references for feasibility review and sample approval.
What is your production lead time?
Production lead time is confirmed with the quotation according to quantity, configuration, decoration and sample approval. Sampling time is quoted separately.
What information is needed for a quote?
Send the bottle-neck drawing or sample, cap size, insert requirement, quantity, artwork, capping equipment details and delivery destination.
Can you provide food-contact documents?
Request the applicable documentation for the selected materials and destination market during specification review.
