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 under repeated use, standard hardware store sheet metal often falls short. Makers, electronics hobbyists, jewelers, and small-workshop fabricators who need exact thickness control will find this pure copper sheet roll strip the dependable raw stock they've been searching for.
Each piece is a solid pure copper (C11000 / T2 grade equivalent) flat strip, available in thicknesses ranging from 0.01 mm to 1 mm (approximately 0.0004 in to 0.039 in) and widths from 50 mm to 400 mm (approximately 2 in to 15.75 in), cut to a 1-meter (39.4 in) length per piece. The surface is smooth-rolled with a bright copper finish, free of visible pits or inclusions at standard inspection.
Typical use cases include RF and EMI shielding liners for enclosures, copper foil tape substrates for stained-glass and mosaic work, thin shim stock for mechanical gap-filling between mating surfaces, and bus-bar blanks for low-voltage DC distribution panels in workshop builds.
Available from ultra-thin 0.01 mm foil up to robust 1 mm plate strip — choose the exact gauge your project requires without over-engineering.
Widths from 50 mm to 400 mm (approx. 2 in to 15.75 in) cover narrow bus-bar runs and wide shielding panels alike, all in a 1-meter cut length.
Pure copper composition delivers excellent electrical and thermal conductivity — ideal for grounding straps, heat spreaders, and conductive traces in DIY electronics.
Copper naturally forms a stable patina that resists further oxidation in typical indoor and sheltered outdoor environments, reducing maintenance needs over time.
Soft-annealed copper bends, shears, and stamps without cracking at thinner gauges. Thicker variants (0.5–1 mm) can be scored and snapped or cut with aviation snips.
Accepts standard rosin-core solder and silver-bearing brazing alloys without special surface prep — ready to integrate directly into electrical or plumbing assemblies.
| Material | Pure Copper (C11000 / T2 equivalent) |
|---|---|
| Thickness Range | 0.01 mm – 1 mm (0.0004 in – 0.039 in) |
| Width Range | 50 mm – 400 mm (1.97 in – 15.75 in) |
| Length per Piece | 1 Meter (39.4 in) |
| Surface Finish | Smooth-rolled, bright copper |
| Temper | Soft / annealed (thin gauges); half-hard (thicker gauges) |
| Electrical Conductivity | ≥ 99.9% IACS (typical for C11000) |
| Thermal Conductivity | Approx. 385 W/(m·K) |
| Melting Point | Approx. 1,085 °C (1,985 °F) |
| Pack Quantity | 1 Piece per order (multi-piece options: See variant options) |
| Weight per Piece | See variant options (varies by thickness × width) |
For EMI/RF shielding liners and decorative foil work, 0.01–0.1 mm is typically sufficient. For heat spreaders and flexible bus bars, 0.1–0.3 mm offers a good balance of conductivity and formability. For structural shims, gaskets, or rigid bus bars, 0.5–1 mm provides the mechanical strength needed. If you are unsure, start with 0.1 mm for general-purpose use.
Thin gauges (under 0.1 mm) are very flexible and will conform to curved surfaces but may not spring back. Mid-range gauges (0.1–0.5 mm) hold a bend well after forming. Thicker strips (0.5–1 mm) are semi-rigid and require more force to bend but retain their shape reliably once formed. All gauges can be work-hardened slightly by repeated bending if a stiffer result is needed.
Copper naturally oxidizes to form a brownish or greenish patina (verdigris) when exposed to air and moisture over time. This patina is stable and actually protects the underlying metal from further corrosion. For applications requiring a bright finish, apply a clear lacquer or wax coating after cleaning. For electrical contacts, the patina can be removed with a mild acid solution (e.g., diluted citric acid) before soldering.
Yes. Pure copper solders readily with standard rosin-core or no-clean solder using a temperature-controlled iron set to 300–370 °C (570–700 °F). Use a copper-rated flux for best results. Thicker strips (above 0.5 mm) act as a heat sink, so a higher-wattage iron (60 W+) or pre-heating the workpiece is recommended to achieve a good joint.
Absolutely. The 0.01–0.05 mm thickness range is well-suited for stained glass foiling techniques. The soft temper allows the strip to wrap around glass edges cleanly. For mosaic work requiring a wider backing strip, the 50–100 mm wide options in 0.05–0.1 mm thickness are a practical choice. Note that this product is sold in 1-meter lengths rather than adhesive-backed rolls, so you will need to apply your own adhesive if needed.
For thin gauges (under 0.2 mm), sharp scissors or a craft knife and steel ruler work well. For mid-range gauges (0.2–0.5 mm), aviation snips or a guillotine-style sheet metal shear give clean edges. For thicker strips (0.5–1 mm), use aviation snips, a hacksaw, or an angle grinder with a thin cutting disc. Always deburr cut edges with a fine file or sandpaper before handling to avoid cuts.
For CPU or LED heat spreaders in DIY builds, a thickness of 0.3–0.5 mm provides a good balance of thermal mass and machinability. Width depends on your component footprint — 50–100 mm covers most single-chip applications, while 150–200 mm suits larger modules. The 1-meter length gives you enough material to cut multiple spreader blanks from a single piece.