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Marketplace/Electronic Scrap/Class 3 Low-Grade PCBs
Class 3 Low-Grade PCBs
Electronic Scrap

Class 3 Low-Grade PCBs

Grade: VariousLow-Medium Tier

Low precious metal content boards, power supplies, basic electronics

Market Price EstimateUpdated Daily
$850/ MT
+25 (3%)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.

Low-value circuit boards from basic electronics; end-of-life power supplies and simple electronics; minimal precious metal content (negligible gold; 5-50g copper primary); copper-focused value recovery; extreme heterogeneity; ABSOLUTELY HIGHEST supplier count commodity (445 suppliers); volume-driven bulk commodity extreme; precious metal recovery economically irrelevant; hazmat/environmental straightforward baseline; mass disposal/recycling commodity

Acceptable Inclusions
  • Gold negligible 0-0.02g (low-grade specification)
  • Copper 5-50g (primary value; highly variable acceptable)
  • Solder variable (lead-free modern typical)
  • Nickel <1g (trace)
  • Silver <0.5g (negligible)
  • Epoxy-fiberglass substrate (inert; variable weight)
  • Dust/contamination typical (commodity acceptable)
  • Mixed board types (heterogeneous extreme)
Prohibited Materials
  • Intact batteries (hazmat; separate)
  • Mercury components (explicit hazmat extreme)
  • Fluid leakage (liquid hazmat)

Quality Assurance

Testing protocols, sampling methods, and acceptance criteria.

Sampling Protocol
frequencySpot-check verification only; statistical composition assumed; RoHS compliance assumed modern standard
maximumQuantity5000-50,000+ boards per shipment
minimumQuantity200-1000 boards or 50-100 kg
percentage0.5-2% of lot
Acceptance Limits
all Criteria Must PassMaterial appear low-grade commodity boards; copper recovery focus; bulk commodity specification
copper BasisCopper-focused commodity assumed; precious metal recovery irrelevant
hazmat ProfileRoHS compliance modern; no obvious hazmat detected
low Grade StatusConfirmed as low-grade basic e-waste; commodity status verification
Weight Tolerance
measurementBulk weighing acceptable; precision irrelevant; statistical standardization
variance±50% from estimated weight

Required Test Methods

Spot Visual Commodity Verification

Method 1
Purpose
  • spot-verify low-grade boards (basic power supplies)
  • confirm commodity status visually
Acceptance Criteria
  • Low-grade basic board appearance
  • no obvious premium components
  • commodity status VISUAL confirmation only
Procedure
  • Minimal spot inspection (0.5-2% only)
  • quick visual low-grade confirmation
  • premium component check only

Hazmat Spot-Check

Method 2
Purpose
  • spot-verify no obvious mercury/extreme hazmat
  • RoHS compliance ASSUMED modern standard
Acceptance Criteria
  • No obvious mercury/active hazmat detected
  • RoHS compliance ASSUMED standard
Procedure
  • Visual spot-check (0.5-1%)
  • quick mercury/active hazmat visual scan
  • RoHS compliance
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