Fire refining can obtain 99-99.9% pure copper, and electrolysis can make the copper purity reach 99.95-99.99%. Copper is relatively pure copper. The use of copper tape：High purity, fine tissue, low oxygen content.
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1Meter T2 Copper Soft Copper Tube Coil OD 2~12mm ID 1~10mm 99.9%Pure Coppers Wire Pipe Airs Conditioner Cooling DIY Crafts
Aliexpress UK
Fire refining can obtain 99-99.9% pure copper, and electrolysis can make the copper purity reach 99.95-99.99%. Copper is relatively pure copper. High purity, fine tissue, low oxygen content. It has good electrical conductivity, thermal conductivity, corrosion resistance and processing properties, and can be welded and brazed.
eBay
10m Thin tube Copper tube Air Conditioning Refrigerator Copper Pipe Soft Tube 99.9% T2 Copper DIY Cooling
Aliexpress UK
Material: T2 Copper Sheet. Ingredients: Copper CU Ag: 99.90.
eBay
High-Purity Copper Granules, Electrolytic Copper Granules, Elemental Copper Cu99.99%, Specifically for Scientific research
Aliexpress UK
Light Shooting and Different Displays May Cause the Color of the Item in the Picture a Little Different from the Real Thing. Heat Shrink Tubing >. New Energy Industry：Lithium Batteries, Interconnects and Current Collectors for the Photovoltaic Sector.
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1-5pcs T2 Coppers round rod, 50-300mm long bare coppers metal rod, coppers rod lathe rods suitable for metal handicrafts
Aliexpress UK
The surface of the copper sheet is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. There are slight difference between the picture and the real item caused by light brightness,hope you can understand.
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Acrylic Sheet Sheet Black Plexiglass for Laser Engraver Engraving Easy to Cut DIY Materials Plastic Sheet 200x200x2mm
Aliexpress UK
Fire refining can obtain 99-99.9% pure copper, and electrolysis can make the copper purity reach 99.95-99.99%. Copper is relatively pure copper. The use of copper tape：High purity, fine tissue, low oxygen content.
eBay
For Bambu Lab A1 Mini Build 184x184mm Plate pei Magnetic bed PEO Sheet H1H Plate Spring Steel Sheet Pet Sheet for bambu a1 mini.
Aliexpress UK
Fire refining can obtain 99-99.9% pure copper, and electrolysis can make the copper purity reach 99.95-99.99%. Copper is relatively pure copper. High purity, fine tissue, low oxygen content. It has good electrical conductivity, thermal conductivity, corrosion resistance and processing properties, and can be welded and brazed.
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#galvanized corrugated steel plate roof sheets arch type/galvanized corrugated sheet roofing sheet
Aliexpress UK
Pure copper copper sheet copper leather copper foil. Thickness: 0.01mm - 1mm. Material: Purple copper.
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50/80mm Wide Vents Perforated Sheet Aluminum Alloy Air Vent Perforated Sheet Web Plate Ventilation Grille Vents Perforated Sheet
Aliexpress UK