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#1 Copper Wire
Clean uncoated unalloyed copper wire, minimum 1/16 inch diameter
Certification Requirements
Required certifications, standards compliance, and verification protocols.
Copper wire collection, sorting, processing QMS
- Copper purity ≥99%
- Lead content <0.05%
- Zinc <0.5%
- Other contaminants
- Bare bright + diameter verification
- Independent certified lab
- Fire assay recommended
Explicit: '#1 Copper Wire, ≥1/16" diameter, Cu ≥99%, Barley Grade'
Explicit: 'Minimum diameter ≥1/16 inch (1.6mm) verified'
£3–5 million (high-value material)
Rejection Criteria
Conditions and thresholds that trigger immediate rejection or downgrading.
Any wire <1/16 inch (1.6mm) diameter
Partial rejection (segregate undersized wire) or full rejection
- Diameter Specification Defines #1 Wire Grade
- Undersized = Different Specification
Any visible plastic coating
IMMEDIATE FULL REJECTION
- Insulated Wire = Lower Grade
- Bare Bright Requirement
Cu <99.0%
Full rejection or reclassification
Grade specification violation
Pb >0.05%
Full rejection or major credit
Critical refinery concern
Zn >0.5%
Full rejection or reclassification
Brass contamination
Any visible solder
FULL REJECTION
Solder coating loses #1 wire status
Any visible coating
FULL REJECTION
Coating loses bare bright requirement
Steel components
Rejection unless removed
Ferrous contamination
Brass/aluminum/non-copper >1%
Full rejection
Grade violation
Any detectable
- Immediate Rejection
- Radioactive Protocol
Any visible
- Full Rejection
- Hazmat Protocol
Any detectable
- Full Rejection
- Hazmat Disposal