Copper Scrap

Copper Wire Scrap – Grade A & Grade B

Cuprumex supplies high-quality copper wire scrap in two standard grades: Grade A and Grade B. Both materials come from verified sources, inspected loads, and consistent quality suitable for smelting and refining.

Grade A – Premium Quality

Grade A represents the highest standard in the copper scrap category. This material consists of clean, bright, unburned copper wire with a copper purity of 99.95%–99.99%. It contains minimal impurities and does not require pre-processing before melting.

Key features:

Bright and shiny appearance
Unalloyed copper wire
No burning, no oxidation
Impurities max. 0–2%
Suitable for direct smelting

Grade B – Industrial Quality

Grade B copper wire scrap is a more economical option. This material may include burned, darkened, or mixed copper wire with purity typically between 94%–97%. It requires additional cleaning or refining due to higher contamination levels.

Key features:

Mixed copper wires
May contain oxidation or burned material
3–5% insulation or non-metallic residues
Lower price range
Suitable for refining processes

Cuprumex ensures strict quality control, transparent documentation, and reliable

TECHNICAL SPECIFICATION – COPPER WIRE SCRAP

1. COPPER WIRE SCRAP – GRADE A

Description: High-purity clean copper wire scrap, bright and unburned, free from coatings and excessive impurities. Suitable for direct smelting.

Chemical Composition (Typical)

Copper (Cu): 99.95% – 99.99%
Impurities: max. 0.5% – 2.0%
Moisture: 0%

Physical Characteristics

Unalloyed copper wire
Bright wire, no oxidation
No coating, paint, grease, rubber, or plastic
Wire thickness: mixed but generally ≥ 1 mm
Not burned or blackened
No mixed metals

Allowed Contamination

Maximum 1–2% insulation, dust, or non-metallic residues

Prohibited Materials

Burned wire
Iron, aluminum, or stainless steel
Excessive insulation
Mixed metals
Oily or dirty material

2. COPPER WIRE SCRAP – GRADE B

Description: Medium-grade copper wire scrap, may include burned, oxidized, or mixed wire with higher contamination levels. Requires cleaning or refining before melting.

Chemical Composition (Typical)

Copper (Cu): 94% – 97% (Some suppliers claim up to 99%, but the material is not bright and usually contains oxidation or residue.)
Impurities: 3–6%
Moisture: 0–1%

Physical Characteristics

Mixed copper wire (thin/thick)
May be dark, oxidized, or partially burned
May include lacquered or enamel-coated wire
May include small insulation residues
Mixed conductor types

Allowed Contamination

3–5% insulation, rubber, plastic, paper
A small percentage of dust or dirt

Prohibited Materials

Non-copper metals over 1%
Heavy oil contamination
Wet or muddy cargo
Excessive ash from burned wire