#1 Heavy Copper

Heavy copper collection, sorting, processing QMS

• Copper purity ≥99%
• Lead <0.05%
• Zinc <0.5%
• Thickness verification
• Heavy copper grade confirmation

• Independent certified lab
• Fire assay recommended

Explicit: 'Heavy Copper #1, ≥1/16" thick, Cu ≥99%, Candy Grade'

Explicit: 'Minimum thickness ≥1/16 inch (1.6mm) verified'

£3–5 million (high-value material)

Any piece <1/16 inch (1.6mm) thick

• Thickness Specification Defines Heavy Copper Grade
• Thin Scrap = Different Specification

Insulated copper wire present

• Heavy Copper Grade Requires Bare Copper Solids
• Insulated Wire Different Class

Cu <99.0%

Grade specification violation

Pb >0.05%

Critical refinery concern

Zn >0.5%

Brass contamination

Any visible solder

Solder coating loses heavy copper status

Any visible coating

Coated solids lose bare bright requirement

Steel components or fasteners

Ferrous contamination

Brass/aluminum/non-copper >1%

Grade violation

Any detectable

Any visible

Any detectable