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Help CenterCopper Sealing Strip for Automotive Engine Gaskets, 0.8mm Thick, Heat Resistant, Standard Compliant
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For over two decades, Anping County Boli Hardware Wiremesh Products Factory (established 1998) has been a trusted manufacturer of precision metal sealing components. Our Copper Sealing Strip for Automotive Engine Gaskets, 0.8mm Thick is engineered to deliver exceptional sealing performance in high-temperature engine environments. Produced in our state-of-the-art facility in Hengshui, Hebei, China, this strip combines the natural thermal conductivity of copper with rigorous dimensional control, ensuring reliable gasket compression and leak prevention. With annual export values exceeding US$5 million and shipments to over 15 global markets including North America, Europe, and Southeast Asia, our copper sealing strip is the choice of leading automotive OEMs and aftermarket suppliers.
Our manufacturing process begins with high-purity copper (C1100 or equivalent) sourced from certified mills. The strip is cold-rolled to an exact 0.8mm thickness with a tolerance of ±0.05mm, then annealed to achieve optimal softness for gasket conformance. Each coil undergoes ultrasonic cleaning and bright annealing to remove surface oxides, ensuring a clean, solderable surface for gasket bonding. The strip is then slit to customer-specified widths (typically 5mm–50mm) and packaged in moisture-proof materials to prevent tarnishing during transit.
Key Features & Technical Specifications
- Precision Thickness: 0.8mm ±0.05mm – ensures uniform compression across the gasket surface, reducing the risk of blowouts.
- High Heat Resistance: Withstands continuous operating temperatures up to 800°C (1472°F), ideal for exhaust manifolds, turbocharger gaskets, and cylinder head joints.
- Excellent Ductility: Copper strip can be easily formed into complex gasket shapes without cracking – critical for multi-layer steel (MLS) gasket designs.
- Corrosion Resistance: Natural oxide layer provides protection against coolant, oil, and combustion byproducts; optional tinning or nickel plating available for extreme environments.
- Standard Compliance: Meets RoHS, REACH, and ASTM B152 requirements; full material certifications provided upon request.
- Customizable Dimensions: Width from 5mm to 50mm, length per coil up to 100 meters, or cut-to-length pieces – all tailored to your gasket design.
- Consistent Flatness: Camber controlled to less than 1mm per 1000mm, preventing edge lifting during gasket assembly.
- Environmentally Friendly: 100% recyclable copper – supports sustainability goals in automotive manufacturing.
| Parameter | Value | Remarks |
|---|---|---|
| Material | C1100 / C1020 (99.9% Cu min.) | Oxygen-free copper available |
| Thickness | 0.8mm (0.0315 inch) | Other thicknesses: 0.2–2.0mm |
| Width Tolerance | ±0.1mm | Slit edge, burr-free |
| Tensile Strength | ≥200 MPa (annealed) | Higher tensile available on request |
| Elongation | ≥30% | Ensures good formability |
| Hardness (HV) | 40–70 (annealed) | Adjustable via temper |
| Surface Roughness (Ra) | ≤0.4 μm | Mirror finish optional |
| Packaging | Coil on spool, vacuum-sealed | Export wooden pallet, fumigated |
Benefits for Your Automotive Gasket Application
- Reduced Engine Failure: The precise 0.8mm thickness provides consistent clamping force, preventing gasket leaks that can cause overheating or power loss.
- Faster Assembly: Our strip’s excellent flatness and burr-free edges allow automated feeding and placement, increasing production line efficiency by up to 15%.
- Longer Service Life: Copper’s natural resistance to thermal fatigue and oxidation means fewer warranty claims – field tests show 30% longer gasket life compared to steel alternatives in high-temperature zones.
- Cost-Effective: Copper is readily recyclable, reducing raw material costs. Our optimized slitting process minimizes scrap, offering competitive pricing for high-volume orders.
- Global Logistics Support: With ports of shipment including Tianjin, Qingdao, Shanghai, and Foshan, we can deliver FOB or CIF terms to any major port worldwide. Lead times average 15–20 days for standard coils.
Our copper sealing strip is compatible with all common gasket manufacturing methods: stamping, laser cutting, waterjet, and even 3D printing (used as a bonding layer). It can be supplied with a thin adhesive coating for easy lamination to fiber gasket materials. We also offer custom packaging – from small bundles for prototype testing to large coils (up to 500kg) for mass production.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been dedicated to metal fabrication excellence. Our factory occupies 12,000 square meters and employs over 80 skilled workers. We operate 8 precision rolling mills and 12 slitting lines, all maintained under ISO 9001 quality management system (certified since 2005). Our annual export value of over US$5 million demonstrates the trust placed in us by international clients. We serve major markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia.
Every batch of copper sealing strip is tested for thickness, hardness, tensile strength, and surface finish before shipment. We provide a Certificate of Analysis with each order. Our engineering team is available for technical support – whether you need advice on gasket design, material selection, or process optimization. We can also develop custom copper alloys (e.g., copper-nickel, copper-chromium) for specialized applications like high-performance racing engines or marine gaskets.
Ready to improve your engine gasket performance? Contact us today for a quote or sample. With our proven track record, flexible production, and responsive customer service, Anping Boli is your ideal partner for copper sealing strip solutions. We offer free samples (up to 1 meter) for evaluation – just provide your specifications. Let us help you seal the deal on reliability and durability.
Frequently Asked Questions
-
Q: What is the maximum operating temperature for this copper strip?
A: The strip can withstand continuous temperatures up to 800°C (1472°F). For short-term spikes, it can handle up to 900°C. However, prolonged exposure above 800°C may cause oxidation; we recommend using tinned or nickel-plated strip for extreme environments. -
Q: Can the strip be supplied in non-standard widths or lengths?
A: Absolutely. We offer custom widths from 5mm to 50mm and lengths per coil up to 100 meters. Cut-to-length pieces (e.g., 500mm, 1000mm) are also available. Minimum order quantity for custom sizes is 100kg. -
Q: Is this copper strip suitable for multi-layer steel (MLS) gaskets?
A: Yes. Our 0.8mm copper strip is a common choice for the middle layer in MLS gaskets. Its softness and high thermal conductivity help distribute clamping force evenly and dissipate heat effectively. -
Q: Does the strip come with any surface protection?
A: Standard strips are bright annealed and oiled to prevent tarnishing. For longer shelf life, we can apply a thin protective coating (e.g., benzotriazole) or vacuum-pack in moisture barrier bags. Please specify your requirement. -
Q: What quality certifications do you provide?
A: We can provide a Certificate of Analysis (CoA) showing chemical composition, mechanical properties, and dimensional results. Our products comply with RoHS and REACH regulations. If you require specific third-party testing (e.g., SGS, TÜV), we can arrange it at an additional cost. -
Q: How long does shipping take to North America?
A: For standard orders, production takes 10–15 days, and sea freight from Tianjin or Qingdao to US West Coast ports is approximately 25–30 days. Express air freight is available for urgent samples (3–5 days). -
Q: Can I get a sample for testing before bulk order?
A: Yes, we provide free samples up to 1 meter in length for standard thicknesses. You only need to pay the shipping cost. Contact us with your desired width and we will send a sample coil within 3 days. -
Q: What is the minimum order quantity (MOQ)?
A: For standard 0.8mm thickness and common widths (10mm, 20mm), MOQ is 50kg. For custom widths or special alloys, MOQ is 100kg. We can also accommodate smaller trial orders for first-time buyers.
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