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Tinplate Can Bottom Factory
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Tinplate Can Bottom Manufacturers

ABOUT

Who we are

Professional Packaging Container Manufacturer.

Suzhou Jinqiao Packaging Container Co., Ltd. was founded in 2004. It has been specialized in mass production of tinplate containers such as chemical cans and food cans for 19 years. At the same time, it has a complete industrial chain from raw material tinplate, unpacking, printing to production of tin cans.

Jinqiao has a large number of modern production equipment, with an annual production capacity of 50 million pieces.The company has obtained the designated certificate of hazardous chemical packaging container issued by the state and the certificate of national high-tech enterprise.

JINQIAO.

  • Extensive
    Industry Experience
    0Year

    We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

  • Source
    Production Company
    0M²

    We have two own factories, so we can provide competitive favorable price and high quality products directly.

  • Global
    Supply
    0+

    Our freight teams and shipping partners find end-to-end fulfillment solutions to deliver your packaging immediately or via a scheduled recurring delivery program.

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Industry Knowledge Extension

Is there a special sealing mechanism to keep the contents of the Tinplate Can Bottom secure?
Yes, tinplate can bottoms are typically sealed using a special mechanism to ensure that the contents of the can remain secure and protected. The sealing mechanism for the can bottom is an integral part of the can's construction and is designed to prevent leaks, spills, and contamination. Here are some common sealing mechanisms used for tinplate can bottoms:
Double-Seam Closure: The most common sealing mechanism for tinplate can bottoms is the double-seam closure. This involves bending and folding the bottom end of the can around the can body and then using a series of rollers to tightly crimp and seal the two layers of metal together. The double-seam closure creates a hermetic seal that prevents the escape of contents and entry of air, moisture, and contaminants.
Adhesive Sealing: Some tinplate can bottoms may be sealed using adhesive or sealant materials that are applied to the bottom end of the can before it is attached to the can body. The adhesive forms a strong bond between the bottom end and the can body, providing a secure seal.
Welding or Soldering: In certain cases, tinplate can bottoms may be attached to the can body using welding or soldering techniques. This involves melting the edges of the bottom end and the can body to fuse them together, creating a tight and secure seal.
Interlocking Tabs: The bottom end of the can may have interlocking tabs or hooks that engage with corresponding features on the can body, creating a secure connection and preventing the bottom from detaching.
Seamed Lids: Some tinplate cans use a separate lid or cover for the bottom. The lid is seamed onto the can body in a manner similar to the double-seam closure, creating a sealed enclosure for the contents.
Gasket or Sealant: A gasket or sealant material may be applied between the bottom end of the can and the can body to create an additional barrier against leaks and spills.
The choice of sealing mechanism depends on factors such as the type of product being packaged, the can design, manufacturing capabilities, and industry standards. 

What does the choice of sealing mechanism for the Tinplate Can Bottom depend on?
The choice of sealing mechanism for the tinplate can bottom depends on a combination of factors related to the product being packaged, the can design, manufacturing processes, regulatory requirements, and the intended use of the can. Manufacturers carefully consider these factors to ensure that the chosen sealing mechanism provides a secure and reliable closure for the can bottom. Here are the key considerations that influence the choice of sealing mechanism:
Product Characteristics: The type of product being packaged plays a significant role. Some products may require a more robust sealing mechanism to prevent leaks, spills, or contamination, especially if they are liquid or have volatile contents.
Contents and Properties: The chemical composition, acidity, corrosiveness, and reactivity of the contents can impact the choice of sealing mechanism. Some sealing methods may be better suited to certain types of contents to prevent interactions with the can materials.
Product Shelf Life: The desired shelf life of the product influences the choice of sealing mechanism. The sealing method must effectively maintain the product's quality and freshness over the intended storage duration.
Handling and Transportation: If the can will be subjected to rough handling, stacking, or transportation, the sealing mechanism must provide sufficient strength to withstand these stresses.
Manufacturing Process: The capabilities of the manufacturing equipment and processes available to the can manufacturer may influence the choice of sealing mechanism. Some methods may be more suitable for high-speed production or automation.
Regulatory Standards: Packaging materials and methods must adhere to regulatory standards and requirements for food safety, quality, and product labeling. The chosen sealing mechanism must comply with these regulations.
Type of Can: The design of the can, including its shape, size, and overall construction, may dictate which sealing mechanisms are feasible and effective.
Customer Preferences: Some industries or customers may have specific preferences or requirements for the type of sealing mechanism used.
Cost Considerations: The cost of materials, equipment, and labor associated with the sealing mechanism can impact the overall production cost of the can.
Environmental Considerations: Sustainability and environmental impact may influence the choice of sealing mechanism, with some methods being more eco-friendly than others.
Historical Performance: If a particular sealing mechanism has a proven track record of reliability and performance for similar products, it may be favored for consistency.
Ultimately, the choice of sealing mechanism is a balance of these factors to ensure that the can bottom is securely sealed, preventing leaks, spills.