1050 H14 Stucco Embossed Aluminum Coil Sheet for Refrigeration/Electronics/Packaging (99.5% Pure, Enhanced Heat Dissipation)
Product Introduction
Premium 99.5% pure aluminum coil with engineered stucco embossing, optimized for thermal management and formability in critical applications. The H14 temper delivers optimal balance between strength and workability for refrigeration, electronics, and packaging industries.
Key Differentiators
✔ High Purity Aluminum (AA1050) - 99.5%+ Al content ensures superior conductivity
✔ Precision Embossing - Stucco pattern enhances surface area by 15-18%
✔ Thermal Efficiency - 225W/m·K thermal conductivity (ideal for heat dissipation)
✔ Regulatory Compliance - FDA/ROHS compliant versions available
Technical Specifications
| Parameter | Specification | Test Standard |
|---|---|---|
| Alloy | AA1050 (Al≥99.5%, Fe≤0.40%, Si≤0.25%) | ASTM B209 |
| Temper | H14 (Tensile: 80-110MPa, Elongation: 12-18%) | GB/T 3880.2 |
| Thickness | 0.1-3.0mm (Standard: 0.3/0.5/0.8mm) | ±0.015mm tolerance |
| Width | 600-1500mm (Custom widths available) | -- |
| Emboss Depth | 0.08-0.18mm (Adjustable) | Laser profilometry |
| Thermal Conductivity | 225W/m·K @ 25°C | ASTM E1461 |
| Surface Treatment | Mill Finish / Anodized (5-12μm) | ISO 7599 |
Alloy Composition Breakdown
| Element | Content (%) | Functional Impact |
|---|---|---|
| Aluminum | ≥99.5 | Base metal, thermal/electrical conduction |
| Iron | ≤0.40 | Controlled for deep drawing |
| Silicon | ≤0.25 | Maintains ductility |
Precision Applications
1. Refrigeration Systems
Refrigerator Liners (0.3-0.8mm)
Stucco pattern improves frost distribution
H14 temper withstands forming processes
Freezer Components
FDA-compliant bare metal for food contact
2. Electronics Shielding
EMI/RFI Shielding (0.2-0.5mm)
Excellent electromagnetic wave absorption
Custom embossing patterns available
3. Food-Grade Packaging
Container Foils (O temper, 0.05-0.2mm)
Passes FDA 21CFR migration tests
Superior formability for complex shapes
Production Process
Casting - DC casting of 99.5%+ pure aluminum
Hot Rolling - Reduced to 4.5mm at 420-450°C
Cold Rolling - Precision thickness control (±0.01mm)
Embossing - Stucco pattern imprint (45-60N/mm² pressure)
Finishing - Mill finish cleaning or anodizing
Quality Assurance
Purity Verification - Optical emission spectrometry
Dimensional Control - Laser gauging system
Surface Inspection - White light interferometry
Why Choose This Product?
◉ Cost-Effective - 5-8% lower cost than 1060 alloy
◉ Technical Support - Custom embossing patterns available
◉ Global Compliance - Meets ASTM, EN, JIS standards
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