Calculator
Dross Calculator
Estimate the value of dross based on london metals exchange (zinc index) - dross composition discount.
Zinc Dross Calculator
Galvanizer Dross & Skimmings Valuation
Estimated Market Price
£2,026
Per Metric Tonne • Seal Grade (Continuous Line - Top Dross)
Zinc Adjustment
+£0
Processing Cost
−£350
Iron Penalty
−£6
Market Parameters
Source:
Continuous galvanizing line (top)
Description:
Standard grade, removed from bath surface
Processing Variables
92%
Impact: +£0
1.5%
Penalty: -£6
5%
Penalty: -£18
80%
Impact: +£0
£350/t
Market Context (November 2025)
LME Zinc Reference
£2,367/MT
~$3,008 USD
UK Dross Range
£450 – £750/MT
Clean Zinc Scrap
£800 – £1200/MT
Your estimate is above typical market range.
Estimated Market Price
Grade: Seal Grade (Continuous Line - Top Dross) • 92% Zn
£2,026
Per Metric Tonne
About this Calculator
Market Basis
London Metals Exchange (Zinc Index) - Dross Composition Discount
Typical Value
Varies by market conditions
Pricing Formula
LME Zinc × 0.92 (dross oxide adjustment) - Processing costReady to get started?
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