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DOS Lubricated Aluminium Aluminum Sheet (for PP Caps 8011 3105)

Last Updated :Nov. 25, 2024

DOS lubricated aluminum sheet is a high-performance material specifically designed for cap production. Its surface is coated with a dioctyl sebacate (DOS) lubricant layer, offering excellent formability and lubrication properties. It is suitable for the production of various PP caps (such as threaded caps, twist-off caps, and press caps). Common alloys include 8011 and 3105, both of which demonstrate outstanding strength, corrosion resistance, and formability to meet diverse cap processing needs.

DOS Lubricated Aluminium Sheet

DOS Lubricated Aluminium Sheet (for PP Caps 8011 3105) Material Properties

  • Aluminum Alloy: Commonly uses 8011 and 3105 aluminum alloys, which have excellent formability and corrosion resistance.
  • Lubrication Coating: Surface coated with lubricant to reduce friction and improve processing performance.

Alloy Properties

  • 8011 Aluminum Alloy: Aluminum-based alloy with added iron and silicon, offering excellent tensile strength and corrosion resistance, suitable for caps requiring high sealing and processability.
  • 3105 Aluminum Alloy: Contains trace amounts of manganese, providing high strength and corrosion resistance while retaining good formability and decorative properties.

DOS Lubrication Layer Properties

  • Lubrication Performance: Reduces friction, minimizing scratches and cracks during production, and enhances stamping and pressing efficiency.
  • Uniformity: The lubrication layer is evenly coated to ensure processing stability.
  • Environmental Safety: Compliant with food-grade safety standards, non-toxic, and suitable for direct contact with food or beverages.

Processing Characteristics of DOS Lubricated Aluminium Sheet

DOS lubricated aluminum sheet is an aluminum material with a special lubrication coating, widely used in deep stamping, drawing, flanging, and other processing techniques. It is especially suitable for the manufacture of bottle caps, food packaging, and other light industrial products.

Characteristics Description
High Formability Stable performance in deep stamping, drawing, and flanging processes.
The lubrication layer significantly reduces friction and extends mold life.
Ensures material stability during processing, guaranteeing consistent product quality.
Lubrication Layer Effect The lubricating effect of the DOS coating reduces friction and extends mold life.
Improves equipment durability and lowers maintenance costs.
Good Printability The surface is cleaned to provide good coating and printing adhesion.
Suitable for subsequent color printing, pattern engraving, and anodizing, ensuring firm adhesion of coatings and inks.
Anodizing Treatment Suitable for anodizing, enhancing appearance and corrosion resistance, and extending product lifespan.
Recyclability Fully recyclable material, meeting green production requirements.
Recycling aluminum requires less energy than producing new aluminum, reducing environmental impact and CO2 emissions.

DOS lubricated aluminum sheet excels in deep stamping, drawing, and flanging processes due to its exceptional formability, excellent printability, and strong recyclability. It improves production efficiency, reduces costs, and ensures high-quality surface treatments and subsequent processing applications.

Applications of DOS Lubricated Aluminium Sheet

With its excellent formability, outstanding surface treatment adaptability, corrosion resistance, and recyclability, DOS lubricated aluminum sheet is the ideal choice for PP caps and high-precision packaging in various applications. Whether for food and beverage, pharmaceutical packaging, or cosmetic packaging, it provides high-quality, eco-friendly, and high-performance solutions to meet stringent requirements for caps and sealing products in different industries.

Application Scenarios Detailed Description
Food and Beverage Bottle Caps Beverage Caps (e.g., carbonated drink bottles, mineral water bottles): DOS lubricated aluminum sheet features high formability, making it suitable for producing carbonated beverage caps that ensure no gas leakage and maintain sealing performance.
Edible Oil Caps: Resistant to corrosion from edible oils, ensuring sealing performance and appearance quality.
Seasoning Caps: Suitable for producing various seasoning bottle caps, ensuring sealing and high-quality appearance.
Sauce Jars and Can Lids: Provides strong sealing to prevent contamination of contents, suitable for mass production.
Pharmaceutical Packaging Medical Bottle Caps (e.g., antibiotic, syrup, and nutrient bottle caps): High sealing and corrosion resistance ensure the quality and shelf life of pharmaceuticals.
Sterile Sealing Caps: Meets strict sterile requirements, reduces friction, and ensures consistency and precision during production in a sterile environment.
Cosmetic Packaging Perfume Bottle Caps: Ideal for producing high-quality perfume bottle caps with excellent surface treatment properties, providing high gloss and refined appearance while protecting the contents.
Lotion and Essential Oil Bottle Caps: Ensures long-term performance with good coating adhesion and appearance, suitable for producing lotion and essential oil bottle caps.
Other High-Precision Applications Caps for Chemical Reagent Bottles Requiring High Sealing Performance: Provides high sealing, preventing chemical evaporation or leakage, and ensures safety during transport and storage.
Decorative Metal Shell Components: Suitable for producing decorative metal shell components requiring excellent mechanical properties and refined appearance, supporting subsequent decoration treatments (e.g., coating, printing, anodizing).

Advantages of DOS Lubricated Aluminium Sheet

DOS-coated aluminium sheets offer numerous advantages, including high production efficiency, reduced die wear and waste, ensured high-quality stability, and compliance with environmental requirements.

Advantages Detailed Description
High Production Efficiency Reduced Processing Difficulty: DOS coating effectively reduces friction, minimizing processing difficulties, especially in high-speed stamping and automated production lines.
Suitable for High-Speed Stamping: The coating reduces surface friction, preventing material jamming during processing and improving production efficiency.
Adaptability to Automated Production Lines: Reduced friction during processing enables production lines to operate more efficiently, minimizing downtime and supporting large-scale production.
High Cost-Effectiveness Reduced Die Wear: DOS coating’s excellent lubrication properties significantly decrease friction between the die and material, prolonging die lifespan.
Reduced Waste: By lowering friction during processing, the coating reduces waste, ensuring more material is used for finished products and reducing raw material consumption.
Improved Yield Rate: Smooth processing results in a higher percentage of qualified products, lowering defect rates and enhancing overall production efficiency and economic benefits.
Quality Stability Strict Process Control: DOS-coated aluminium sheets undergo strict process control during production, ensuring consistency throughout the production cycle and minimizing quality fluctuations between batches.
Surface Treatment Consistency: The coating ensures consistent surface quality for each sheet, maintaining uniformity in large-scale production.
Enhanced Product Reliability: The stability of product quality ensures reliable performance during use, reducing defects or issues caused by material problems.
Eco-Friendliness Compliance with Food Safety Certifications: DOS-coated aluminium sheets meet strict food safety certifications, such as FDA (U.S. Food and Drug Administration) and EU standards, ensuring compliance in food packaging applications.
Environmental Requirements Compliance: The material is highly recyclable, meeting green production standards and aligning with sustainable development goals.
Reduced Environmental Pollution: By minimizing waste and harmful emissions, DOS-coated aluminium sheets contribute to reduced environmental impact during production.

Production Process

The production process of DOS-coated aluminium sheets includes precise stamping, coating treatment, and rigorous quality inspection. Stamping ensures shape accuracy and consistency, coating improves processing efficiency and reduces wear, and quality inspection guarantees the sheet's thickness, strength, coating, and other key properties meet high standards.

  • Stamping: Aluminium sheets are processed into desired cap shapes through the stamping process.
  • Coating Treatment: Lubricants are applied to the surface of the aluminium sheets to enhance processing efficiency and reduce wear.
  • Quality Inspection: Rigorous inspections are conducted to ensure the thickness, strength, and coating of the sheets meet standards.
Production Process Detailed Description
Stamping Aluminium Sheet Stamping: Aluminium sheets are processed through stamping to form the desired cap shapes. High-speed presses are typically used to efficiently shape the sheets into caps or other packaging materials.
Precision Die Design: Stamping dies are meticulously designed to ensure high-efficiency production while meeting high standards for cap dimensions, shapes, and appearances.
High Formability Aluminium Material: The high formability of DOS-coated aluminium sheets ensures no cracks or deformations occur during stamping, guaranteeing consistent shape and quality.
Coating Treatment Lubricant Application: A layer of DOS lubricant or special coating is applied to the surface of the aluminium sheets to reduce friction with the die.
Enhanced Processing Efficiency: The coating not only reduces friction but also extends die lifespan, preventing excessive wear during high-speed stamping, and maintaining stable processing conditions, reducing downtime and maintenance.
Smooth Surface Finish: The lubricating coating provides a certain level of surface smoothness, preventing scratches or other surface defects during subsequent processing.
Quality Inspection Strict Quality Control: Aluminium sheets undergo multiple stringent quality inspection procedures during production to ensure each batch meets standard requirements.
Aluminium Sheet Thickness Inspection: Precision instruments are used to check the thickness of the sheets, ensuring uniform thickness that meets design specifications.
Strength and Hardness Testing: Strength and hardness tests are conducted to ensure the sheets can withstand physical pressures such as capping during production and use.
Coating Quality Inspection: The coating on the aluminium sheets is inspected to ensure uniformity, absence of cracks or peeling, and compliance with processing and food safety requirements.