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Help Center1070 H14 Stucco Embossed Aluminum Coil Sheet for Refrigeration/Pipe Insulation/Lighting Fixtures (High Thermal Conductivity)
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Product Definition
Premium 99.7% pure aluminum coil with stucco embossing pattern, optimized for heat dissipation and electromagnetic shielding in specialized industries. The H14 temper provides ideal balance between formability and structural integrity for refrigeration and lighting applications.
Key Differentiators
✔ Ultra-High Purity (AA1070) - 99.7%+ Al content for maximum conductivity
✔ Engineered Embossing - Stucco pattern increases surface area by 18-22% (vs smooth sheet)
✔ Thermal Optimization - 237W/m·K thermal conductivity (superior to 3003/1100 alloys)
✔ Industry-Tailored - Specific solutions for refrigeration/lighting/insulation sectors
Technical Specifications
| Parameter | Specification |
|---|---|
| Alloy | AA1070 (Al≥99.7%, Fe≤0.25%, Si≤0.20%) |
| Temper | H14 (Tensile: 95-125MPa, Elongation: 8-12%) |
| Thickness | 0.3-3.0mm (Common: 0.5/0.8/1.2mm) |
| Width | 800-1500mm (Custom widths available) |
| Emboss Depth | 0.1-0.25mm (Adjustable) |
| Thermal Conductivity | 237W/m·K @ 25°C |
| Surface Treatment | Mill Finish / Anodized (5-25μm) |
Alloy Composition Breakdown
| Element | Content (%) | Functional Impact |
|---|---|---|
| Aluminum | ≥99.7 | Base metal, conductivity |
| Iron | ≤0.25 | Controlled for ductility |
| Silicon | ≤0.20 | Minimizes resistivity |
Precision Applications
1. Refrigeration Systems
Refrigerator Heat Dissipation (0.5-1.0mm)
Evaporator backing plates
Condenser fins (stucco pattern enhances airflow)
Commercial Freezers
FDA-compliant bare metal for food contact zones
2. Pipe Insulation
Cryogenic Pipe Wrapping (-40°C to 120°C)
H14 temper withstands thermal cycling
Mill finish resists condensation corrosion
3. Advanced Lighting
LED Heat Sinks (Anodized versions)
Thermal resistance
Custom embossing for optimal airflow design
High-Power Lighting Housings
EMI shielding for sensitive electronics
Production Process
Casting - DC casting of 99.7%+ pure aluminum
Hot Rolling - Reduced to 6mm at 450-500°C
Cold Rolling - Precision thickness control
Embossing - Stucco pattern imprint (80-100N/mm² pressure)
Finishing - Mill finish cleaning or anodizing
Quality Assurance
Conductivity Testing - 61%+ IACS verified
Dimensional Inspection - Laser measurement (±0.01mm)
Surface Analysis - White light interferometry for emboss depth
Why Choose This Product?
◉ Proven Performance - Used by 3 top compressor manufacturers
◉ Custom Solutions - Adjust embossing pattern/depth per application
◉ Global Compliance - Meets ASTM, EN, ISO standards
WhatsApp: +86 182 3988 9120
Email: coco@tomorrowal.com
Send Inquiry to This Supplier
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