.jpg&w=3840&q=75)
Non-Ferrous Aluminum
Zorba
Grade: ZorbaLow-Medium Tier
Shredded mixed nonferrous scrap (predominantly aluminum)
Market Price EstimateUpdated Daily
$1,650/ MT
+45 (2.8%)vs yesterday
Verified specifications & market data
Chemical Composition
Elemental breakdown by percentage weight.
Standard composition limits
Values represent maximum allowed percentage unless otherwise noted.
Physical Properties
Material form, density, and contamination specifications.
Post-shredding mixed nonferrous scrap; auto shredder residue (ASR) after magnetic separation; aluminum, copper, brass, zinc, stainless residue mixed; requires complex processing and separation; established vehicle/appliance recycling waste stream; lowest-quality aluminum commodity
Acceptable Inclusions
- Aluminum 70-85% (mixed alloys)
- Copper 2-10% (inevitable; wiring and radiators)
- Zinc <8% (galvanizing, die-cast)
- Brass/bronze <5% (fittings)
- Stainless residue <2% (separation escape)
- Plastics/organics <3% (shredder residue)
- Iron <2% (incomplete magnetic separation)
- Moisture/dirt <2% (shredder characteristic)
Prohibited Materials
- Aluminum <70% (insufficient metal content)
- Iron >2% (excessive ferrous)
- Plastics >3% (excessive contamination)
- Hazardous materials (lead-acid batteries, mercury switches)
- Radioactive materials (industrial gauges, medical equipment)
- PCB contamination (hazmat concern)
- Explosive materials (airbags, gas cylinders)
Quality Assurance
Testing protocols, sampling methods, and acceptance criteria.
Sampling Protocol
frequencysampling from sections throughout entire shipment
maximumQuantity300+ fragment samples per mega-shipment
minimumQuantity3-5 tonnes or 100-200 fragment samples per shipment
percentage15-20% of lot
Acceptance Limits
all Criteria Must PassMaterial must be aluminum-dominant 70-85%; copper 2-10%; hazmat absolute; contamination within tolerance; mixed nonferrous specification
aluminum ContentAluminum 70-85% within specification
copper RangeCopper 2-10% acceptable
hazmat Absencehazardous materials detected -
iron LimitIron <2% acceptable
material IdentityConfirmed as shredded mixed nonferrous ; auto shredder residue classification
plastics LimitPlastics/organics <3% acceptable
stainless LimitStainless residue <2% acceptable
zinc LimitZinc <8% acceptable
Weight Tolerance
measurementBulk weight acceptable; precision secondary; volume estimation typical
variance±6% from purchase order weight
Required Test Methods
100% Visual Inspection
CRITICALABSOLUTEMANDATORY
Purpose
- assess mixed metal appearance
- verify shredded form
- detect hazardous materials
- evaluate contamination level visual
- confirm mixed nonferrous character
Acceptance Criteria
- Mixed nonferrous metals apparent (aluminum silver, copper red/brown, brass gold visible)
- no hazmat visible
- contamination within acceptable range visual
- shredded fragment form confirmed
Procedure
- 100% visual inspection
- verify mixed metal color pattern characteristic (aluminum/copper/brass colors)
- assess aluminum/copper ratio visually approximate
- flag ANY hazmat indicators (batteries, mercury switches, radioactive labels)
- evaluate plastic/organic contamination visual
- confirm shredded fragment morphology
Magnetic Separation Test
CRITICALMANDATORYEXTREME
Purpose
- assess residual ferrous contamination percentage
- verify eddy current separation effectiveness
- confirm <2% ferrous limit
Acceptance Criteria
- Ferrous contamination <2% by weight
- minimal magnetic attraction sample
Procedure
- Magnetic separation of representative sample
- extract ferrous fragments comprehensive
- weigh ferrous residue precise
- calculate percentage
- confirm <2% specification
Metal Composition Assessment
CRITICAL
Purpose
- estimate aluminum vs. copper/brass/zinc percentages visual + manual
- assess commercial value relative
- determine pricing tier applicability
Acceptance Criteria
- Aluminum visually estimated 70-85% confirmed
- Copper 2-10% estimated
- Zinc/brass <8% acceptable
- mixed metal character
Procedure
- MANUAL SORTING of representative sample comprehensive (50-100 fragments minimum)
- visual color identification (silver = aluminum, red/brown = copper, gold = brass)
- weight separation by metal type
- calculate approximate percentages
- visual estimation cross-validated with XRF sample
Plastic & Organic Contamination Assessment
MANDATORY
Purpose
- evaluate plastic insulation residue level
- assess rubber/organic contamination
- determine if <3% tolerance
Acceptance Criteria
- Plastics/organics <3% by weight confirmed
- acceptable shredder residue characteristic
Procedure
- Visual inspection comprehensive
- loss on ignition (LOI) if heavy contamination suspected
- manual separation of plastic fragments from sample
- weight calculation percentage
Hazmat Screening
CRITICALABSOLUTEEXTREMEZERO-TOLERANCEMANDATORY
Purpose
- detect hazardous materials comprehensive (batteries ANY type
- mercury switches
- PCB-containing components
- radioactive gauges/instruments)
- confirm safe for processing
Acceptance Criteria
- NO hazmat detected
- safe for processing confirmed
- regulatory compliance
Procedure
- COMPREHENSIVE visual inspection (search for batteries ALL types [lead-acid/lithium/NiCd]
- mercury switches identification
- PCB component labels
- radioactive hazard symbols)
- Geiger counter screening if radioactive risk suspected
- procedural hazmat protocols ESTABLISHED facility-wide
- ANY hazmat detection = IMMEDIATE FULL REJECTION zero negotiation
XRF Spectrometry
MANDATORY
Purpose
- quantify aluminum, copper, zinc, brass, stainless, iron percentages
- verify composition specification 70-85% Al
- validate commercial value
Acceptance Criteria
- Aluminum 70-85%
- Copper 2-10% confirmed
- Zinc <8% confirmed
- Iron <2% confirmed
- Plastics estimated <3% (via exclusion)
- composition specification
Procedure
- XRF analysis of MINIMUM 20-30 samples from different shipment sections (stratified sampling comprehensive)
- quantify all detectable elements
- calculate weighted average composition
- accuracy ±3-5% acknowledged (heterogeneity inherent)
- cross-validate with visual/manual sorting estimates