Expanded Perlite

Description

1. Product Overview

Expanded Perlite is a lightweight, highly porous volcanic mineral produced by heating raw perlite ore at high temperatures, causing it to expand up to 20 times its original volume. It is widely used across construction, filtration, horticulture, and industrial processing due to its exceptional insulation, absorbency, and chemical inertness. The product delivers significant value through its low density, thermal efficiency, and cost-effective performance in bulk applications. Strategically, Expanded Perlite is a critical material in modern industries seeking lightweight, sustainable, and high-performance alternatives to traditional aggregates and fillers. Its versatility and scalability make it a preferred choice in global supply chains.

2. Key Specifications & Technical Characteristics

• Material Composition: Amorphous volcanic glass (primarily silicon dioxide – SiO₂, with alumina and trace minerals)
• Purity Level / Grade: Industrial-grade; low impurity content, chemically inert
• Physical Characteristics:
  • Form: Granular / powder (various grades available)
  • Color: White to off-white
  • Bulk Density: ~30–150 kg/m³ (depending on grade)
  • Particle Size: Customizable (fine, medium, coarse grades)
  • Thermal Conductivity: Low (excellent insulation properties)
  • High porosity and surface area
• Packaging Options:
  • 25 kg / 50 kg PP bags
  • Jumbo bags (500–1,500 kg)
  • Bulk loose loading
• Shelf Life: Indefinite when stored in dry, moisture-free conditions

3. Core Industrial Applications

Expanded Perlite serves a broad range of industries due to its multifunctional properties:

• Construction & Building Materials:
  Used as a lightweight aggregate in plasters, concrete, and insulation boards, improving thermal efficiency and reducing structural load.
• Filtration Industry:
  Acts as a high-performance filtration aid for beverages, pharmaceuticals, and chemicals, offering superior clarity and flow rates compared to traditional media.
• Horticulture & Agriculture:
  Enhances soil aeration, drainage, and moisture retention, making it ideal for hydroponics and greenhouse cultivation.
• Cryogenic & Industrial Insulation:
  Provides reliable thermal insulation in LNG storage, pipelines, and cold storage systems due to its low thermal conductivity.
• Oil & Gas / Chemical Processing:
  Utilized as an absorbent and filler material, delivering operational efficiency and chemical stability.

Performance Advantage: Compared to alternatives like sand, vermiculite, or diatomaceous earth, Expanded Perlite offers superior weight reduction, thermal insulation, and cost-efficiency while maintaining chemical neutrality and durability.

4. Competitive Advantages

• Consistent Quality: Controlled expansion process ensures uniform particle structure and performance reliability
• Supply Reliability: Scalable production with stable raw material availability for uninterrupted bulk supply
• Logistics Efficiency: Lightweight nature reduces transportation costs per functional unit
• Price Competitiveness: High performance-to-cost ratio across multiple industrial applications
• Sustainability: Non-toxic, recyclable, and environmentally friendly with low environmental impact
• Technical Support: Availability of grade selection guidance, application data sheets, and performance optimization support

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: ~18–22 MT per 40 ft container (depending on packaging and grade)