Zinc Slag Fines

Description

1. Product Overview

Zinc Slag Fines are a zinc-bearing secondary material generated during galvanizing, zinc smelting, and alloy production processes. Containing recoverable zinc values along with controlled oxide and metallic fractions, this material serves as a cost-efficient feedstock for zinc recovery, secondary smelting, and alloy adjustment operations.

Engineered for consistent zinc content and fine particle distribution, Zinc Slag Fines enable improved recovery rates and optimized furnace performance. As zinc demand expands across galvanizing, infrastructure, and automotive sectors, this product represents a strategically important solution for reducing raw material costs, improving metal yield, and advancing circular economy initiatives.

2. Key Specifications & Technical Characteristics

• Primary Composition:
  • Zinc (Zn) – metallic and oxide forms
  • Zinc Oxide (ZnO)
  • Iron (Fe) – controlled levels
  • Trace elements: Pb, Al, Si (grade dependent)
• Zinc (Zn) Content: Typically 40%–80% (depending on source and grade)
• Metallic Zinc Fraction: Variable; recoverable value
• Impurity Levels: Controlled to meet secondary smelting specifications
• Form: Fine granular / powder
• Color: Grey to dark grey
• Particle Size: Fine fraction, typically <5 mm
• Bulk Density: Approx. 1.5–2.5 MT/m³
• Moisture Content: Controlled for safe storage and transport
• Packaging Options:
  • Bulk loose loading
  • 1 MT jumbo bags
  • Sealed bulk bags (on request)
• Shelf Life: Indefinite under dry storage conditions

3. Core Industrial Applications

Primary Industries

• Zinc smelters and refiners
• Galvanizing plants
• Secondary metal recyclers
• Zinc alloy manufacturers

Operational Use Cases

• Feedstock for zinc recovery furnaces
• Charge material blending in zinc smelting
• Raw input for zinc oxide production
• Alloy correction and zinc content supplementation

Performance & Cost Advantages

Zinc Slag Fines provide a cost-effective alternative to primary zinc concentrates or refined zinc metal. Their fine particle size enhances reaction kinetics and recovery efficiency during smelting operations.

Compared to sourcing high-cost virgin materials, using Zinc Slag Fines reduces per-ton zinc input cost while maintaining strong recovery rates. The material supports improved resource utilization and aligns with sustainability targets by reintegrating zinc-bearing by-products into the production cycle.

4. Competitive Advantages

• Quality Consistency: Controlled zinc content and screened particle size distribution for predictable recovery performance.
• Supply Reliability: Stable sourcing from galvanizing and zinc production operations.
• Logistics Capability: Bulk export handling with containerized shipment solutions and international freight coordination.
• Price Competitiveness: Lower cost per recoverable zinc unit compared to primary concentrates or refined metal.
• Sustainability Benefits: Promotes circular economy practices by reducing industrial waste and maximizing metal recovery.
• Technical Documentation: Chemical composition analysis and certificates of analysis (COA) available upon request.

Zinc Slag Fines are positioned as a strategic sourcing option for smelters and alloy producers seeking optimized zinc recovery, cost control, and sustainable material integration.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk 20 MT
• Loading Capacity:
  • 20ft Container: Approx. 20–25 MT
  • 40ft Container: Approx. 25–28 MT (subject to regional weight regulations)

Volume-based pricing structures and long-term supply agreements are available for industrial buyers.