02mm 07mm 1100 aluminium sheet for ropp cap
The 02mm 07mm 1100 aluminium sheet is a specialized product designed explicitly for manufacturing ROPP (Roll-On Pilfer Proof) caps. Prominent in the packaging industry, particularly for pharmaceuticals, beverages, and cosmetics, these sheets offer exceptional malleability and corrosion resistance, meeting stringent safety and performance standards.
The 1100 aluminium grade is well-regarded for its high purity (minimum 99%) and excellent formability. The specific thicknesses of 0.2mm (02mm) and 0.7mm (07mm) make these sheets ideally suited for the complex forming process involved in producing ROPP caps, permitting tight seal capability and durability.
Features
- High Corrosion Resistance: Excellent natural corrosion resistance to guard against environmental flux.
- Superior Malleability & Ductility: Enables precision forming without cracking or loss of strength.
- Excellent Surface Finish: Ensures ease of printing and coating for branding and protection.
- Safety & Hygiene Compliant: Suitable for food-grade and pharmaceutical applications owing to non-toxic composition.
- Consistent Thickness & Dimensions: Important for reliable ROPP cap sealing performance.
Chemical Composition of 1100 Aluminium (% by Weight)
| Element | Minimum | Maximum |
|---|---|---|
| Aluminium (Al) | 99.0 | 99.6 |
| Copper (Cu) | 0.05 | 0.20 |
| Iron (Fe) | 0.95 | 1.00 |
| Manganese (Mn) | 0.05 | 0.20 |
| Silicon (Si) | 0.00 | 0.40 |
| Zinc (Zn) | 0.00 | 0.10 |
| Others | - | 0.15 |
Note: Minor elements include titanium, chromium, and residuals.
Technical Specifications
| Property | 0.2mm Aluminium Sheet | 0.7mm Aluminium Sheet | Unit | Test Method |
|---|---|---|---|---|
| Thickness Tolerance | ±0.02 | ±0.05 | mm | ASTM B211 |
| Width Range | Customizable | Customizable | mm | Customer Specification |
| Length | Coil/Sheet | Coil/Sheet | meters | Customer Specification |
| Tensile Strength | 70 - 110 | 70 - 110 | MPa | ASTM E8 |
| Yield Strength | ≥ 35 | ≥ 35 | MPa | ASTM E8 |
| Elongation at Break | ≥ 10 | ≥ 10 | % | ASTM E646 |
| Density | 2.70 | 2.70 | g/cm³ | ASTM B211 |
| Thermal Conductivity | 230 | 230 | W/m·K | ASTM C177 |
| Surface Finish | Mill finish / Anodized | Mill finish / Anodized | - | Customer Specification |
Applications of 1100 Aluminium Sheet for ROPP Cap
The choice of 0.2mm and 0.7mm thickness aluminium sheets makes it highly adaptable in ROPP cap manufacturing, where precision in forming and performance in sealing are critical. Typical applications are:
- Pharmaceutical Packaging: Provides tamper evidence and ensures product integrity.
- Cosmetics & Perfumes: Offers an elegant and secure decorative sealing solution.
- Food & Beverage Industry: Preserves freshness, guards against contamination, and enables airtight secure sealing.
- Chemical Industry: Protects contents from moisture and oxidation in aggressive product environments.
The premium purity and mechanical characteristics ensure the resulting caps hold their shape under pressure and resist deformation, vital to maintain consistent product protection throughout logistics and consumer handling.
Benefits for Manufacturers
- Reduced wastage due to consistent material thickness.
- Enhanced performance reduces capping failures.
- Compatibility with existing rolling and pilfer-proof machinery.
- Versatility in surface finishes for branding versatility.
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