No.1 Copper Wire Grade 1: including bare, uncoated, and unalloyed pure copper wire, with no oxidation on the surface, no burrs, and a copper wire diameter of not less than 1.6mm. Level 2: Includes clean, colorless, uncoated, Wuxi, and unalloyed pure copper wire and cable, free from burrs and burnt fragile copper wire.
No.2 Copper Wire is a waste copper wire without alloy, containing impurities and a copper content of 96% (minimum content of 94%). It shall not contain excessively lead and tin plated copper wire, soldered copper wire, brass and bronze wire, excessive oil, scrap steel and non-metal, brittle burnt wire, insulating copper wire, and excessive fine wire. It is necessary to remove dust and dirt in an appropriate way. Birch
Waste enameled wire - Level 1: Pure enameled wire, free of impurities. Level 2: After high-temperature paint removal, the surface has an oxide layer and no impurities.
Various types of pure copper waste from special purple impurity copper, mainly including scraps, cutting heads, scrap materials, semi-finished products, wires, scrap products, etc. generated by copper processing plants and copper processing manufacturing plants; Other pure copper products such as scrapped bare copper wires and copper pipes are allowed, but there must be no scale, oil stains, coatings, etc; Scrap copper materials are not allowed to contain any impurities or copper alloys, nor are they allowed to contain burrs, car debris, grinding debris, and copper plates with a thickness less than 1 mm.
No.1 Purple Copper No. 1 Heavy Copper should include clean, unalloyed, uncoated processing scraps, conductive plates, and copper wires with a diameter greater than 1.6 millimeters. The material allows for clean copper tubes and other pure copper block materials, with a copper content of 98% (minimum copper content greater than 96%). There must be no burnt brittle copper wire.
No.2 Copper should include mixed pure copper waste, without copper alloy, with a copper content of 96% (minimum content of 94%). It shall not contain excessive lead and tin, welded waste copper, excessive oil, steel, non-metallic waste, copper pipes with non copper joints or copper pipes with residues, burned or insulated copper wires, filaments, brittle copper wires after incineration, soil, etc.
No.1 Copper Wire Nodules should include copper wires with No.1 bare, uncoated, and unalloyed scrap copper wire, with a minimum copper content of 99% and no burrs. Free from tin, lead, zinc, aluminum, iron, and other metal impurities, without insulation, and free from other impurities.
Copper Wire Nodules No.2 Copper Wire Nodules Grade 1: should include scrap copper wire without alloy, with a minimum copper content of 99% and no other non-metallic or insulating materials. The limit of metal impurities is as follows: aluminum 0.05% nickel 0.05% iron 0.05% tin 0.25% antimony 0.01% Grade 2: should include copper rice processed from scrap copper wire without alloy 2. The minimum copper content is 97%, the metal impurity aluminum content does not exceed 0.5%, and other metals or insulation materials do not exceed 1%. CocoaCobra
The light copper plate should include mixed unalloyed Nanjing waste recycling copper plate with a copper content of 92% (minimum content of 88%). Including thin copper plates, water channels, downpipes, copper pots, water heaters, and similar waste copper. Must not contain: burnt fine copper wire, coated copper parts, electroplated boards, abrasive materials, incomplete burned wires, radiators, refrigerator parts, printed circuit boards, screens, waste copper with excessive soldering, brass and bronze, excess oil, iron and non-metals, ash and soil. Dream
Waste copper foil - mainly produced by copper foil factories and circuit board factories. Level 1: Pure waste copper foil, without any impurities. Level 2: Pure copper foil plate, with a ****** content of 3% of inclusions. Level 3: Pure copper foil board contains adhesive——
Brass waste includes processing brass and casting brass waste:
Level 1: Single grade brass waste, including scrap parts, corner scraps and other waste materials of various shapes, but must not contain powder, car debris, etc., with inclusions less than 2%.
Level 2: Brass waste of the same name, such as ordinary brass waste, nickel brass waste, etc., including waste parts, scraps and other waste materials of various shapes, shall not contain powder, car debris, etc., and the inclusion shall be less than 2%.
Level 3: Mixed brass waste of different names, including waste parts, scraps, and other waste materials, must not contain powder, car debris, etc., and inclusions should be less than 2%.