Stucco Embossed Color Coated Aluminum Plate for Engine & Exhaust Heat Insulation

1. Product Overview

Our painted embossed aluminum sheet is a dedicated thermal barrier material specially developed for automotive heat shield manufacturing. It adopts premium 1050, 1060 and 1100 pure aluminum substrates, processed with uniform hemispherical embossing and professional anodizing/color coating surface treatment. The unique dimpled embossed structure creates natural air gaps to block heat transfer, paired with ultra-high radiant heat reflectivity up to 1090°C. The material delivers outstanding malleability for stamping, bending and custom profiling, while maintaining stable mechanical performance under extreme high-temperature environments. Lightweight, rust-proof and easy to fabricate, it has become the core raw material for automotive chassis thermal protection, and also widely applied in aerospace, electronics and building insulation fields.

2. Complete Technical Specifications

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3. Mechanical Performance Index

Tested under two mainstream thickness ranges after embossing and anodizing:

| Thickness Range (mm) | Tensile Strength (N/mm²) | Yield Strength (N/mm²) | Min Elongation (%) | Hardness (HBW) |

| ---- | ---- | ---- | ---- |

| 0.50 – 1.50 | 75 – 105 | ≥25 | ≥21 | 23 |

| 1.50 – 3.00 | 75 – 105 | ≥25 | ≥24 | 23 |

4. Multi-Sector Application Scenarios

4.1 Automotive Industry (Core Application)

Engine Compartment Heat Protection

Installed around engine blocks to reflect and isolate high radiant heat. It effectively protects wiring harnesses, plastic pipes and electronic modules from thermal damage, reducing circuit short-circuit risks and extending the service life of peripheral auto parts.

Exhaust System Insulation

Mounted adjacent to exhaust pipelines to cut off heat conduction to vehicle body and undercarriage. It lowers cabin temperature, improves riding comfort and eliminates hidden fire hazards caused by overheating.

4.2 Aerospace & Space Equipment

Aircraft Engine Nacelle Shields

Used for thermal insulation of aircraft engine casings, isolating massive heat generated during flight and safeguarding surrounding structural frames and airborne equipment.

Spacecraft Thermal Barriers

Withstands ultra-high temperatures during launch and atmospheric re-entry, providing reliable thermal protection for internal equipment and crew compartments of spacecraft.

4.3 Electronic Power Equipment

Data Server Cabinet Heat Shields

Attached to server housings and heat sinks to reflect excess heat, optimize heat dissipation efficiency and stabilize the operating temperature of electronic components.

Inverter & Converter Insulation

Blocks heat generated by power components and guides heat to dedicated cooling structures, ensuring stable operation and higher energy conversion efficiency.

4.4 Construction Thermal Insulation

Roof & Exterior Wall Reflective Layers

Reflect solar radiant heat to reduce indoor temperature rise in summer and cut air conditioning energy consumption.

Chimney & Flue Thermal Wrapping

Prevent high-temperature heat from spreading to surrounding building structures, boost building fire resistance and reduce heating system heat loss.

5. Full Customization Support

We provide one-stop personalized solutions for size, pattern, material and performance to match diverse project demands:

1. Size & Shape Customization

   Custom length: 1m – 10m; Custom width: 0.5m – 3m; Support rectangular, circular and irregular special profiles tailored to engine compartment contours.

2. Emboss Pattern Customization

   Apart from standard hemispherical dimples, linear, grid and special geometric embossing can be developed to optimize directional heat dissipation.

3. Material & Performance Upgrade

• Thickness adjustable from 0.1mm to 6mm; 2mm+ thick sheets recommended for ultra-high temperature scenarios

• Optional alloys including 3003, 5052 with added magnesium/silicon elements to enhance strength and corrosion resistance

• Surface treatments: anodizing for higher hardness, customized color coating for decorative demands

• Enhanced reflective coatings to raise heat reflectivity above 95%; optimized formulas for heat resistance up to 1200°C

Supplementary Thickness Classification for Different Alloys

• 0.2mm – 1.8mm: Standard 1050/1060/1100 embossed sheets & matching coils (0.7–1.5mm coil thickness)

• 0.3mm – 3.5mm: Multi-alloy options (1050A, 1070, 3003, 5052) for industrial heat shields

• 0.2mm – 2.0mm: Narrow-width blanks (40–1200mm width, 400–1000mm length) for small heat shield stamping

Prepainted Aluminum Manufacturer Contact Information

Changzhou Dingang Metal Material Co., Ltd supplies stable-quality painted embossed aluminum sheets for automotive heat shields and various industrial thermal insulation projects. Feel free to send inquiries for samples, technical data and bulk quotations.

• Contact Person: Robert Tang

• Email: robert@cnchangsong.com

• WhatsApp / Wechat / Phone: +0086 159 6120 6328

• Official Website: www.cnchangsong.com / www.prepaintedaluminium.com