Description
1. Product Overview
Sodium Metabisulfite is a high-purity inorganic compound widely used as a reducing agent, preservative, and antioxidant in industrial processes. Its primary industrial applications include water treatment, chemical manufacturing, pulp and paper processing, and textile bleaching operations. The key value proposition of Sodium Metabisulfite lies in its reliable chemical activity, cost-effectiveness, and versatility across multiple industrial sectors. Strategically, it is essential for ensuring product quality, controlling oxidation, and supporting regulatory compliance in manufacturing and environmental management processes. Its widespread utility and robust supply profile make it a critical input in diverse industrial operations.
2. Key Specifications & Technical Characteristics
- Chemical Composition / Material Components:
- Sodium Metabisulfite (Na₂S₂O₅)
- Minor residual moisture (<1%)
- Purity Level / Grade:
- Industrial grade ≥ 96–98% purity
- Laboratory and food-grade options available upon request
- Physical Characteristics:
- Solid crystalline or granular form
- Color: White to pale yellow
- Particle size: 0.2–1.0 mm (typical)
- Density: ~1.48 g/cm³
- Odor: Sulfurous, characteristic
- Packaging Options:
- 25 kg / 50 kg kraft paper bags with PE liner
- Jumbo bags (500–1,000 kg) for bulk operations
- ISO tanks for liquid preparations (where applicable)
- Shelf Life:
- 12–24 months under dry, cool, and airtight storage conditions
- Protect from moisture, heat, and direct sunlight
3. Core Industrial Applications
Primary Industries:
- Water treatment and purification
- Pulp and paper manufacturing
- Textile and dyeing operations
- Chemical synthesis and bleaching processes
- Mining and metallurgical operations
Operational Use Cases:
- Dechlorination and reduction in water treatment systems
- Antioxidant and preservative in chemical manufacturing
- Sulfite bleaching in pulp and paper production
- Reducing agent in textile dyeing and finishing
- Metal recovery and ore processing in mining operations
Performance & Cost Advantages:
Sodium Metabisulfite offers superior chemical reactivity, high solubility, and consistent performance under demanding industrial conditions. Compared to alternative reducing agents or preservatives, it provides cost-efficient usage, minimizes process downtime, and ensures predictable operational outcomes.
4. Competitive Advantages
- Quality Consistency: Uniform particle size and chemical activity across batches
- Supply Reliability: Continuous availability from established chemical production streams
- Logistics Capability: Bulk and packaged delivery solutions with compliant hazardous handling
- Price Competitiveness: Optimized pricing for large-volume industrial procurement
- Sustainability Benefits: Supports water treatment and chemical efficiency, reducing environmental load
- Technical Documentation: COA, SDS, and application guidance provided
Positioned as a strategic sourcing decision, Sodium Metabisulfite enables industrial buyers to maintain operational efficiency, reduce chemical costs, and enhance sustainability in core industrial processes.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20MT
- Loading Capacity (MT per container): Approximately 20–22 MT per 20’ container (depending on bag configuration and density)
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