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Help Center100% Pure Copper Sealing Strip - Mill Test Report Included for Quality Assurance
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with annual export values ranging from US$5 million to US$10 million. Our 100% Pure Copper Sealing Strip is crafted from high-purity copper, ensuring superior conductivity, corrosion resistance, and durability for demanding sealing applications. Every batch is accompanied by a comprehensive Mill Test Report (MTR) to guarantee material composition and mechanical properties, giving you complete confidence in your supply chain.
This copper strip is ideal for industries such as oil & gas, chemical processing, power generation, and electronics, where reliable sealing under extreme temperatures and pressures is critical. With our factory-direct pricing and global shipping from ports like Tianjin, Qingdao, Shanghai, and Foshan, we deliver consistent quality to markets across North America, South America, Europe, Asia, Africa, and Oceania.
Key Features & Technical Specifications
- 100% Pure Copper (≥99.9% Cu) – No alloys or impurities, ensuring maximum thermal and electrical conductivity along with excellent malleability.
- Mill Test Report Included – Each shipment comes with a certified MTR documenting chemical composition, tensile strength, elongation, and hardness, as per ASTM B152 / GB/T 2059 standards.
- Customizable Dimensions – Thickness from 0.1mm to 2.0mm, width from 5mm to 200mm, and length as per your requirements (coils or straight strips).
- High Temperature Resistance – Withstands continuous operating temperatures up to 200°C, suitable for steam, hot oil, and high-pressure gas sealing.
- Corrosion Resistant – Naturally resistant to atmospheric corrosion, fresh water, and many chemicals, extending service life in harsh environments.
- Easy to Fabricate – Soft or half-hard temper allows easy bending, cutting, and stamping, reducing downtime during installation.
| Parameter | Value | Notes |
|---|---|---|
| Purity | ≥99.9% Cu | Verified by MTR |
| Tensile Strength | 200-280 MPa (soft/half-hard) | Depends on temper |
| Elongation | ≥30% (soft) | Excellent formability |
| Hardness (HV) | 40-70 (soft), 70-100 (half-hard) | Customizable |
| Surface Finish | Bright or Oxidized | Anti-tarnish available |
Benefits for Your Business: By choosing our pure copper sealing strip, you eliminate the risk of material failure caused by impurities. The included Mill Test Report simplifies your incoming inspection and quality auditing, saving time and resources. Our flexible manufacturing allows small to large quantities, with lead times as short as 7 days for standard sizes. We also offer custom packaging options including coils, spools, or cut-to-length strips.
With over 25 years of experience in metal fabrication, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for reliability. Our annual export value of US$5-10 million demonstrates our capacity to serve global clients consistently. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to major destinations worldwide, including North America, Europe, Southeast Asia, Africa, and the Middle East. Our dedicated quality control team ensures every meter of copper strip meets your specifications before dispatch.
We invite you to request a sample or a Mill Test Report copy for your evaluation. Contact our sales team for competitive pricing, technical support, and custom solutions. Let us be your trusted partner in sealing applications.
Frequently Asked Questions (FAQ)
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Q: What is the purity of your copper sealing strip?
A: Our strip is 100% pure copper with a minimum purity of 99.9%, confirmed by the Mill Test Report that accompanies each shipment. -
Q: Can I get a Mill Test Report before placing an order?
A: Yes, we can provide a representative MTR for your review. For production orders, the actual MTR will be issued per batch. -
Q: Do you offer custom sizes?
A: Absolutely. We can produce strips in thickness from 0.1mm to 2.0mm, widths from 5mm to 200mm, and any length required. Please specify your dimensions. -
Q: What is the typical lead time?
A: For standard sizes (e.g., 0.5mm×50mm), lead time is 7-10 working days. Custom orders may require 15-20 days depending on quantity. -
Q: How is the copper strip packaged for export?
A: We offer several packaging options: coils on spools, flat strips in bundles, or cut-to-length pieces. Each option is wrapped with protective materials to prevent damage during transit. -
Q: Is the copper strip suitable for food-grade applications?
A: Pure copper is generally safe for indirect contact with food, but we recommend contacting our technical team to discuss your specific application requirements. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 50 kg for standard sizes, but we can accommodate smaller trial orders for new customers. Contact us for details. -
Q: Do you provide samples for testing?
A: Yes, samples are available for a nominal fee. The fee is refundable upon placement of a formal order. Shipping costs are at buyer's expense.
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