The chain is fine...but I ordered the wrong size. Nine links of the chain I ordered equals six of the size I wanted. My error...
How can I straighten out the springs? I can't use them coil uo as is.
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When your project demands a material that conducts reliably, bends cleanly, and holds its shape over time, finding the right copper strip in the exact thickness and width can be a frustrating search. Whether you are a maker, electrician, plumber, or fabricator, this copper sheet roll is stocked in an extensive range of dimensions so you can order exactly what you need without cutting waste or paying for excess.
Each strip is made from pure copper (Cu ≥99.9%), supplied in a 1 m (approx. 39.4 in) length per unit. Thickness options span from 0.01 mm to 1 mm (0.0004 in – 0.039 in) and widths range from 10 mm to 400 mm (0.39 in – 15.75 in), covering both ultra-thin foil grades and heavier gauge sheet stock. The surface is smooth-rolled with a bright copper finish.
Typical applications include roof and window flashing for weatherproofing, EMI/RF shielding tape in electronics enclosures, grounding straps and bus bars in electrical panels, decorative inlay work and jewellery making, and heat-spreader shims in thermal management assemblies. The combination of thin-gauge flexibility and wide-format options makes this copper foil strip a go-to raw material for both prototyping and production runs.
Cu ≥99.9% purity delivers excellent electrical conductivity (typically ≥58 MS/m) and thermal conductivity, making it suitable for grounding, shielding, and heat-transfer applications.
Thickness from 0.01 mm to 1 mm; width from 10 mm to 400 mm — choose the exact combination for your project from the variant selector above.
Annealed copper strip bends without cracking and cuts cleanly with tin snips, scissors (thin gauges), or a rotary cutter, reducing fabrication time on site or in the workshop.
Copper naturally forms a protective oxide layer that resists moisture and atmospheric corrosion, extending service life in outdoor flashing and plumbing applications.
Used as grounding straps, bus bars, EMI shielding tape, and heat-spreader shims where reliable conductivity is non-negotiable.
Each unit is 1 m long, making it easy to calculate material requirements. Order multiple units for longer runs — strips can be joined by soldering or overlapping.
| Material | Pure Copper (Cu ≥99.9%) |
|---|---|
| Thickness Range | 0.01 mm – 1 mm (0.0004 in – 0.039 in) |
| Width Range | 10 mm – 400 mm (0.39 in – 15.75 in) |
| Length per Unit | 1 m (approx. 39.4 in) |
| Surface Finish | Smooth-rolled, bright copper |
| Electrical Conductivity | Typically ≥58 MS/m |
| Hardness | Annealed (soft) — See variant options for temper |
| Weight | See variant options (varies by thickness × width) |
| Item Type | Metal Sheet / Foil Strip / Flashing Roll |
| Variant Options | Thickness × Width (select above) |
For EMI/RF shielding and decorative inlay work, 0.05 mm – 0.1 mm foil grades are typically sufficient. For roof flashing and weatherproofing, 0.3 mm – 0.5 mm provides the rigidity needed to hold shape. For bus bars, grounding straps, or structural shims, 0.5 mm – 1 mm is recommended. If you are unsure, start with a mid-range thickness (0.2 mm – 0.3 mm) for general fabrication tasks.
Select a width that matches or slightly exceeds your required coverage. Narrow strips (10 mm – 30 mm) suit grounding straps and jewellery inlay. Medium widths (40 mm – 100 mm) are common for flashing and shielding panels. Wide formats (150 mm – 400 mm) are used for large-area heat spreaders, roofing, and sheet-metal fabrication. Use the variant selector above to pick your exact combination.
Yes. Pure copper is widely used in architectural flashing because it forms a stable patina over time that protects the underlying metal from further corrosion. For most residential flashing applications (window sills, chimney aprons, step flashing), a thickness of 0.3 mm – 0.5 mm is standard. Heavier gauges (0.6 mm – 1 mm) are used for high-exposure or commercial installations.
Copper is inherently corrosion-resistant. It does not rust and naturally develops a protective oxide (and eventually a green patina) when exposed to moisture and air. This makes it suitable for plumbing, roofing, and outdoor decorative applications. For indoor electronics use, the bright surface can be preserved with a light coating of lacquer if desired.
Yes. Pure copper solders and brazes readily with standard copper-compatible flux and solder (e.g., 60/40 tin-lead or lead-free alternatives). Clean the surface with isopropyl alcohol or fine abrasive before soldering to remove any surface oxide. Brazing with silver-bearing rods is also suitable for higher-strength joints.
Each unit is 1 m in length. For a 3 m run, order 3 units of the same thickness and width. Strips can be overlapped and soldered, riveted, or mechanically fastened to create continuous lengths. For large-area coverage, calculate total area (length × width) and divide by the area per unit (1 m × selected width) to determine quantity needed.
Thin foil grades (0.01 mm – 0.1 mm) can be cut with sharp scissors or a craft knife and steel ruler. Medium gauges (0.1 mm – 0.5 mm) cut cleanly with tin snips or a rotary cutter. Heavier gauges (0.5 mm – 1 mm) are best cut with aviation snips, a metal-cutting bandsaw, or a laser cutter. Always deburr cut edges with a fine file or sandpaper before handling.