Pumice

1. Product Overview
Pumice is a naturally occurring, highly porous volcanic rock formed through rapid cooling of gas-rich lava, widely valued for its lightweight and abrasive properties. It is extensively used across industries such as construction, filtration, personal care, and surface finishing due to its exceptional absorbency and mild abrasiveness. The key value proposition of pumice lies in its cost-efficiency, eco-friendliness, and versatility across multiple industrial processes. Strategically, pumice remains a critical raw material in global supply chains where lightweight fillers, polishing agents, and filtration media are essential for performance optimization and cost control.

2. Key Specifications & Technical Characteristics

• Material Composition: Primarily silica (SiO₂) with aluminum oxide (Al₂O₃), iron oxide (Fe₂O₃), and trace minerals
• Purity/Grade: Available in industrial, construction, and cosmetic grades (custom grading available)
• Physical Form: Granular, مسحوق (powder), or حجر (lump)
• Color: Light gray, white, off-white
• Particle Size: Customizable (from micronized powder to coarse aggregates)
• Bulk Density: Low density (typically 0.25 – 0.90 g/cm³ depending on grade)
• Porosity: Highly porous with excellent absorption capacity
• Packaging Options: 25 kg bags, 50 kg bags, jumbo bags (1 MT), bulk shipments
• Shelf Life: Indefinite under dry storage conditions

3. Core Industrial Applications
Pumice is widely utilized in construction as a lightweight aggregate in concrete and insulation materials, improving structural efficiency while reducing load. In abrasive and surface treatment industries, it serves as a mild abrasive for polishing metals, glass, and wood, offering controlled abrasion without damaging surfaces. The water treatment and filtration sector leverages pumice for its high porosity and chemical stability, making it an effective filtration medium. Additionally, in cosmetics and personal care, pumice is used in exfoliating products due to its natural, non-toxic properties. Compared to synthetic alternatives, pumice delivers superior cost-performance, sustainability, and operational flexibility.

4. Competitive Advantages

• Consistent quality with controlled particle sizing and grading
• Reliable bulk supply supported by scalable mining and processing operations
• Strong logistics capability for global export with optimized freight solutions
• Competitive pricing driven by abundant natural availability and efficient processing
• Environmentally sustainable, non-toxic, and recyclable material
• Technical support available for application-specific customization and performance optimization

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–27 MT per 20ft container (depending on grade and packaging.