Zinc Ash

Description

1. Product Overview

Zinc Ash is a zinc-rich by-product generated during hot-dip galvanizing and zinc smelting operations. Containing recoverable metallic zinc and zinc oxide, it serves as a valuable secondary raw material for zinc recovery, oxide production, and metallurgical recycling. Zinc Ash enables industrial buyers to secure zinc units at a lower cost compared to primary refined zinc, while maintaining high recovery efficiency. In a market influenced by zinc price volatility and sustainability pressures, Zinc Ash represents a strategically important solution for optimizing raw material sourcing, protecting margins, and advancing circular economy practices.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • Total Zinc (Zn): Typically 60%–90% (grade dependent)
  • Metallic Zinc content: Variable based on source
  • Zinc Oxide (ZnO): Variable proportion
  • Trace elements: Lead (Pb), Iron (Fe), Aluminum (Al), Cadmium (Cd), Chlorides, and other minor residuals (as per assay report)
• Purity / Grade:
  • Industrial-grade zinc-bearing ash
  • Customizable grading based on metallic zinc recovery requirements
• Physical Characteristics:
  • Form: Fine powder to granular ash
  • Color: Grey to light grey metallic appearance
  • Particle size: Fine particulate with variable granulation
  • Moisture content: Controlled and minimized
  • Bulk density: In accordance with metallurgical handling standards
• Packaging Options:
  • 1 MT jumbo bags (FIBC)
  • Steel drums
  • Bulk loose loading upon request
• Shelf Life:
  • Stable under dry storage conditions
  • Recommended storage: Sealed, moisture-controlled environment to prevent oxidation and clumping

3. Core Industrial Applications

Primary Industries:

• Zinc smelting and refining
• Galvanizing plants
• Zinc oxide manufacturing
• Metal recovery and recycling operations

Operational Use Cases:

• Recovery of metallic zinc through re-melting or distillation processes
• Feedstock for zinc oxide production
• Charge mix optimization in zinc refining furnaces
• Cost-efficient sourcing of zinc units for secondary metallurgy

Performance & Commercial Advantages:

• Provides recoverable zinc units at significantly lower cost than primary SHG zinc
• Enhances flexibility in furnace feedstock selection
• Improves overall zinc recovery efficiency when processed under controlled conditions
• Reduces reliance on mined zinc concentrate
• Supports sustainable resource utilization and waste minimization initiatives

4. Competitive Advantages

• Quality Consistency: Batch-controlled sourcing with detailed chemical analysis ensuring predictable zinc recovery performance.
• Supply Reliability: Stable bulk availability with scalable volumes to support long-term industrial contracts.
• Logistics Capability: Export-ready packaging, containerized bulk handling, and international shipping coordination.
• Price Competitiveness: Zinc-content-based pricing structure optimizing cost per recoverable zinc unit.
• Sustainability: Promotes secondary metal recovery and reduced environmental impact compared to primary zinc mining.
• Technical Support: Comprehensive assay reports, MSDS documentation, and technical consultation available upon request.

Zinc Ash is positioned as a strategic sourcing decision for industrial buyers seeking cost efficiency, supply chain resilience, and sustainable zinc resource management.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity:
  • 20’ Container: Approx. 20–22 MT
  • 40’ Container: Approx. 26–28 MT (subject to packaging configuration)