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Home > Construction & Decoration > Decoration Materials > Sandwich Panel > Copper Sealing Strip for Automotive Radiator and Heat Exchanger Sealing - 0.4mm Thickness
Copper Sealing Strip for Automotive Radiator and Heat Exchanger Sealing - 0.4mm Thickness
Product Spotlights
Precision 0.4mm copper sealing strip designed for automotive radiators and heat exchangers, offering reliable sealing, excellent thermal conductivity, and corrosion resistance. Customizable width/length, half-hard or annealed temper, backed by 20+ years of manufacturing expertise and global export experience.
Negotiable
MOQ: 1 Blade (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Copper
Thickness:
0.4mm
Width:
Customizable (e.g., 5mm–50mm)
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin shanghai qingdao
Delivery Detail:
Delivery time depends on order quantity.
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Material
Copper
Thickness
0.4mm
Width
Customizable (e.g., 5mm–50mm)
Length
Customizable (e.g., 10m–100m per coil)
Application
Automotive radiator, heat exchanger sealing
Surface Finish
Bright or oxidized
Hardness
Half-hard or soft (annealed)
Packaging
Coil or spool, as per request
As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998), we specialize in producing high-quality Copper Sealing Strips engineered specifically for automotive radiators and heat exchangers. Our 0.4mm thickness copper strip offers excellent thermal conductivity, corrosion resistance, and dimensional stability, ensuring reliable sealing under extreme temperature and pressure conditions. With over 20 years of export experience and annual export value exceeding US$5 million, we deliver precision-crafted sealing solutions that meet the rigorous demands of global automotive and industrial markets.
Key Features & Technical Specifications
- Material Purity: Our copper strips are made from high-grade copper (≥99.9% Cu), ensuring excellent heat transfer and long-term durability.
- Precision Thickness: Strictly controlled at 0.4mm ±0.02mm, providing consistent compression and sealing force.
- Flexibility & Formability: Available in half-hard or annealed temper to suit different assembly methods (e.g., crimping, press-fitting).
- Corrosion Resistance: Naturally resistant to coolant, oil, and atmospheric corrosion, extending service life.
- Customizable Dimensions: Width can be tailored from 5mm to 50mm; length per coil from 10m to 100m, or cut-to-length pieces.
- Surface Options: Bright finish for standard applications; oxidized surface for enhanced thermal emissivity upon request.
Technical Parameters (Typical Values)
| Parameter | Value |
|---|---|
| Thickness | 0.4 mm |
| Tensile Strength (Half-hard) | ≥ 250 MPa |
| Elongation (Annealed) | ≥ 30% |
| Operating Temperature Range | -40°C to +200°C |
| Thermal Conductivity | ~ 400 W/(m·K) |
| Packaging | Coil on plastic spool, waterproof wrapping |
Benefits for Your Application
- Reduced Leak Risk: The combination of precise thickness and high ductility allows the strip to conform to uneven surfaces, creating a reliable seal even under thermal cycling.
- Improved Heat Transfer: Copper’s superior thermal conductivity helps dissipate heat from the radiator core, enhancing overall cooling efficiency.
- Cost-Effective Solution: Our direct manufacturing capability eliminates middlemen, offering competitive pricing without compromising quality.
- Easy Installation: The strip can be cut, bent, or stamped easily, simplifying assembly processes in automotive production lines.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been a trusted name in metal forming since 1998, exporting to North America, Europe, Southeast Asia, and many other regions. Our annual export value of US$5–10 million reflects the confidence global customers place in our products. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. Every batch of copper sealing strip undergoes strict dimensional and material inspection before shipment. We are committed to providing customizable solutions — whether you need a specific width, length, or temper — to meet your exact requirements. Contact us today for a quote or sample, and experience the difference of a dedicated partner.
Frequently Asked Questions (FAQ)
- What is the typical lead time for copper sealing strips? Standard dimensions (e.g., 10mm width, 0.4mm thickness, 50m coil) can be shipped within 7–15 days after order confirmation. Custom sizes may require 15–25 days.
- Can you provide samples for testing? Yes, we offer free samples (up to 1 meter per request) with the customer covering shipping costs. Please contact us with your specific requirements.
- Is the strip suitable for high-pressure applications? Yes, our half-hard copper strip is designed to withstand typical automotive radiator operating pressures (up to 2 bar). For extreme pressures, we recommend consulting our engineers for a tailored solution.
- Do you offer any surface coating or plating? Standard copper strips are supplied with a natural bright finish. If you need tin plating or other coatings, please inquire about customization options.
- What is the minimum order quantity (MOQ)? For standard strips, MOQ is 100 kg per order. For custom dimensions, MOQ may vary; please contact us for details.
- How do you ensure the strip stays flat during shipping? We use heavy-duty plastic spools and secure the coil with straps to prevent deformation. The package is then wrapped in waterproof material to protect against moisture.
- Can the strip be used for other applications besides radiators? Absolutely. The copper sealing strip is also suitable for HVAC heat exchangers, oil coolers, gaskets, and general industrial sealing where thermal conductivity and corrosion resistance are required.
- Do you provide a certificate of material analysis? Yes, we can provide a mill test certificate or material composition report upon request, at no extra charge for standard orders.
Send Inquiry to This Supplier
Mr. Geng Xiaozhong
Sales Manager
2Yrs
Hengshui, Hebei, China
2Yrs
Business Type
Manufacturer
Year Established
1998
Annual Export Value
US$5 Million - US$10 Million
Port of Shipment
Tianjin, Qingdao, qingdao, shanghai, foshan
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