Tinplate Screw Closure – Durable metal caps for glass jars, bottles and food containers.
Multiple Cap Sizes – Common and customized diameters available for different container necks.
Reliable Sealing System – Liner or sealing compound options matched to filling requirements.
Custom Printing & Colors – Logo, artwork, solid colors and decorative finishes available.
Complete Export Documents – MTC, COO, relevant test reports and shipping documents available.
Tinplate Screw Cap is a metal closure manufactured from electrolytic tinplate and designed for glass jars, bottles and other rigid containers requiring a reusable or resealable closure system.
Depending on the container-neck specification, the closure can use a screw-on, lug or twist-off structure. A suitable liner or sealing compound can be applied inside the cap to support sealing performance according to the filling product and packaging process.
Henan GDD supplies Tinplate Screw Caps for jam, honey, sauces, pickles, vegetables, beverages, coffee, spices and other packaged products. Diameter, cap profile, coating, liner, color, printing and packing can be customized according to customer drawings, container samples and filling-line requirements.
| Item | Specification |
|---|---|
| Product Name | Tinplate Screw Cap / Metal Jar Cap / Tinplate Closure |
| Base Material | Electrolytic Tinplate / ETP / SPTE |
| Closure Type | Screw-on, Lug, Twist-off or Customized Closure Profile |
| Common Diameter | Approximately 30 mm – 82 mm or Customized According to Container Neck |
| Cap Height | Customized According to Closure Type and Jar Neck Finish |
| Tinplate Thickness | Customized According to Cap Diameter, Forming Structure and Performance Requirements |
| Surface Finish | Natural Tinplate, Gold, White, Black, Colored, Printed or Customized |
| External Printing | Logo, Text, CMYK, Spot Colors, Brand Artwork or Customized Design |
| Internal Coating | Clear Lacquer, Gold Lacquer or Application-specific Food-contact Coating |
| Sealing System | Suitable Liner / Plastisol-type Sealing Compound / Customized Sealing System According to Application |
| Container Compatibility | Glass Jars, Glass Bottles and Compatible Rigid Containers |
| Filling Applications | Jam, Honey, Sauce, Pickles, Vegetables, Coffee, Spices, Beverages and Other Packaged Foods |
| Processing Compatibility | Cold Filling, Hot Filling or Other Processes Subject to Cap, Liner and Product Specification |
| FDA-related Test Support | Relevant Third-party Test Report Against Applicable FDA 21 CFR 175.300 Requirements Available According to Product and Report Scope |
| Inspection | Dimension Check, Surface Inspection, Printing Inspection, Liner Inspection, Closure Fit Check and Third-party Inspection Support |
| Customization | Diameter, Height, Closure Profile, Color, Printing, Internal Coating, Liner and Packing |
| Available Documents | MTC, Relevant Test Reports, Certificate of Origin, Export License Where Required, Commercial Invoice, Packing List, Bill of Lading and Customs Documents |
| Packing | Protective Bags, Cartons, Pallets and Customized Seaworthy Export Packing |
| Trade Terms | EXW, FOB, CFR, CIF |
Final closure dimensions, neck compatibility, liner specification and processing suitability must be confirmed against the customer's actual jar or bottle, filling product and production conditions before mass production.
A Tinplate Screw Cap is a formed metal closure designed to engage with the neck finish of a compatible jar or bottle.
Depending on the packaging system, the cap can use continuous screw threads, a lug-style twist closure or another mechanically engaging profile.
The tinplate shell provides rigidity and a suitable surface for printing, lacquering and decoration, while the internal sealing system provides the interface between the cap and container.
The term Tinplate Screw Cap can cover several metal closure structures, and the correct design depends on the corresponding container neck.
Continuous-thread screw caps engage with a compatible threaded neck through multiple turns. Lug or twist-off closures use several formed lugs that engage with corresponding features on the glass jar finish and generally require a shorter rotational movement.
These closure systems are not automatically interchangeable. Customers should provide the jar neck specification, cap sample or technical drawing when requesting a quotation.
Glass jars are one of the most common applications for Tinplate Screw Caps because the metal closure provides a rigid decorative surface and can be combined with a suitable liner or sealing compound.
Common applications include jam jars, honey jars, sauces, pickled foods, vegetables, condiments and premium food packaging.
Cap diameter and closure profile must match the glass jar neck finish precisely to achieve consistent application torque and sealing performance.
Jam, marmalade, fruit spreads and similar products are commonly packed in glass jars with metal closures.
Caps can be customized with colorful fruit graphics, logos and brand colors to improve shelf presentation.
For hot-filled products, the cap, internal coating and sealing system should be selected according to the customer's actual filling temperature and process.
Honey packaging often uses glass jars with decorative tinplate closures because the cap provides a premium appearance and convenient resealing.
Gold, black, white and custom-printed finishes can be used to coordinate the closure with the customer's packaging design.
Customers should provide the jar-neck dimensions or an existing cap sample to confirm closure compatibility.
Tomato sauces, pasta sauces, chili products, condiments and other processed foods can use suitable metal closures according to the filling process and container design.
Internal coating and sealing materials should be selected according to acidity, oil content, salt, filling temperature and expected shelf life.
The cap should be evaluated as part of the complete packaging system rather than independently from the jar and filling product.
Pickles, olives, preserved vegetables and similar products can contain salt, vinegar or acidic ingredients that must be considered when selecting the closure coating and sealing system.
Appropriate internal lacquer and liner specifications should be confirmed according to the actual formulation and storage conditions.
Closure diameter alone is not sufficient to determine whether a cap will fit a specific container.
Neck outside diameter, thread or lug geometry, finish height, sealing surface and closure profile all influence compatibility.
For an existing packaging line, customers are encouraged to provide an original cap, empty jar sample or detailed technical drawing before bulk production.
The internal sealing system is an important functional component of a Tinplate Screw Cap.
Depending on the closure design, a liner or sealing compound forms a controlled contact area between the metal cap and container sealing surface.
The correct specification depends on filling product, jar design, filling temperature, storage conditions and closure application process.
Sealing materials should therefore be selected according to the complete packaging requirements rather than only according to cap diameter.
The internal metal surface can receive a suitable coating according to the packaged product and closure design.
Food acidity, salt, oil, sulfur-containing ingredients, moisture and processing temperature may influence coating selection.
Clear, gold and other application-specific coating systems can be discussed after the customer provides information about the filling product.
Tinplate provides a suitable metallic surface for high-quality printing and decorative packaging.
Customer logos, brand names, product graphics, text, solid colors and multi-color designs can be applied according to the approved artwork.
Printing can be coordinated with the glass-jar label and overall packaging design to create a consistent brand appearance.
For repeat orders, approved artwork and production references can be maintained to improve batch-to-batch visual consistency.
Gold tinplate caps are widely used for honey, jam, premium sauces and decorative food jars.
Black and white finishes provide clean modern packaging options, while customized colors can be produced according to agreed artwork and color references.
Where strict brand-color matching is required, a physical sample or approved color reference should be confirmed before mass production.
Tinplate closures can be used in different packaging processes, but the cap specification must be matched with the customer's filling system.
Hot filling can expose the closure, liner and coating to elevated temperature and pressure changes. These conditions should be communicated before selecting the final closure construction.
For any thermal-processing application, customers should provide filling temperature, holding conditions and cooling process for technical confirmation.
Henan GDD can provide relevant third-party testing documentation for applicable tinplate materials according to the corresponding product and available report scope.
Test documentation against applicable FDA 21 CFR 175.300 requirements can be provided where the supplied material corresponds with the product covered by the relevant inspection report.
For accurate compliance communication, this documentation should be described as a third-party test or inspection report against the referenced requirements rather than as an FDA-issued product certification.
Customers should provide the destination country, packaged product and specific food-contact requirements before order confirmation so that available documentation can be reviewed for the intended application.
A typical jam producer using glass jars requires a decorative tinplate cap matched with its existing jar neck. The main technical confirmation points include cap diameter, lug or thread structure, internal coating, sealing compound and hot-filling conditions.
For this type of project, the buyer can provide an existing jar and cap specification so that compatibility is reviewed before confirming mass production.
Honey packaging buyers often require gold or custom-printed Tinplate Screw Caps in several jar diameters for different retail package sizes.
One important procurement consideration is maintaining consistent artwork, cap color and closure dimensions across repeat orders, particularly when the same brand uses several glass-jar capacities.
Sauce manufacturers may require metal caps for products with different acidity, salt and oil content. In this application, cap appearance alone is not sufficient for specification selection.
Filling temperature, jar finish, product formulation and required sealing system should be reviewed before finalizing the closure.
Customer names, confidential prices and proprietary production information are not published without authorization.
For a new packaging project, the first step is to confirm the container rather than selecting the cap by appearance alone.
Customers should provide the glass-jar neck dimensions, required cap diameter, closure structure and expected filling process.
Information about the packaged product, internal coating, printing design and required quantity should also be provided.
If an existing jar sample and cap are available, sample matching can significantly improve technical confirmation before mass production.
Tinplate Screw Cap inspection can include cap diameter, profile dimensions, thread or lug formation, surface condition, printing, coating and liner condition.
Fit testing with the corresponding container can be arranged where appropriate to confirm closure engagement and dimensional compatibility.
Product photographs, dimensional inspection records, packing photographs and loading photographs can be provided according to customer requirements.
Independent third-party inspection can also be arranged according to the agreed purchase contract.
Henan GDD can provide technical, commercial and customs documentation according to destination-country and contract requirements.
Available documents can include MTC, relevant third-party test reports, Certificate of Origin, export license where required, commercial invoice, packing list, bill of lading and customs declaration documents.
Product inspection records, packing photographs, loading photographs and agreed third-party inspection reports can also be supplied.
Destination-specific certificates, legalization, chamber endorsement and additional customs requirements should be confirmed before order placement.
Henan GDD supplies Tinplate Screw Caps to glass-jar manufacturers, food processors, honey packers, jam producers, sauce factories and packaging distributors.
We support customized cap diameter, closure structure, internal coating, sealing system, external color, printing and export packing.
Our metal-packaging supply scope also includes ETP/SPTE Tinplate Sheet, Tinplate Coil, printed tinplate, Easy Open Ends, food-can lids and finished tinplate cans.
Technical specifications can be reviewed against customer drawings, jar-neck data or existing closure samples before mass production.
MTC, relevant test documentation, Certificate of Origin, export license where required and complete shipping documentation can be supplied according to contract requirements.
Tinplate Screw Caps should be protected against deformation, scratches, coating damage and contamination during transportation.
Finished caps can be packed in protective bags and reinforced cartons before being palletized for export.
Carton labels can include cap diameter, closure type, color, artwork code, batch number and quantity.
Shipment can be arranged under EXW, FOB, CFR or CIF terms according to customer requirements.
A Tinplate Screw Cap is a metal closure manufactured from electrolytic tinplate and designed to engage with a compatible jar or bottle neck using a screw, lug or twist-type closure structure.
Common diameters are approximately 30 mm to 82 mm, while actual availability depends on closure design and production tooling. Customized specifications can also be discussed.
Yes. Tinplate caps are widely used for glass jars containing jam, honey, sauces, pickles, vegetables and other packaged foods.
Yes. Logos, text, custom colors and multi-color artwork can be produced according to approved printing files and order requirements.
Yes. Suitable sealing systems can be discussed according to the cap structure, glass-jar finish, filling product and production conditions.
Relevant third-party test documentation against applicable FDA 21 CFR 175.300 requirements can be provided according to the corresponding product and report scope.
Yes. MTC, Certificate of Origin, relevant test reports, export license where required, commercial invoice, packing list, bill of lading and other agreed export documents can be provided.
Please provide cap diameter, jar-neck specification, closure type, filling product, internal coating or liner requirement, printing design, quantity, destination port and required documentation.
Looking for Tinplate Screw Caps for jam, honey, sauces, pickles, beverages or other glass-jar packaging?
Send Henan GDD your required cap diameter, glass-jar neck specification, closure type, filling product, coating or liner requirement, printing artwork, quantity, destination port and required documentation.
If you already use a compatible cap, you can also provide the existing cap sample, jar sample or technical drawing for specification matching and quotation.
