Sepiolite: A Versatile Mineral for Industrial and Commercial Applications


Sepiolite, also known as meerschaum, is a naturally occurring clay mineral with unique properties that make it valuable across various industries. Its high surface area, absorption capacity, and thermal stability have made it a preferred material in sectors ranging from agriculture to construction.


How to Find Reliable Sepiolite from China in 2025


China remains one of the largest producers of sepiolite, offering competitive prices and consistent quality. When sourcing from Chinese suppliers:

  • Verify certifications like ISO 9001
  • Request product samples before bulk orders
  • Check production capacity and lead times
  • Review customer testimonials and trade history

What Buyers Should Know Before Buying Sepiolite from China


Key considerations include:

  • Moisture content specifications (typically 8-12%)
  • Particle size distribution requirements
  • Shipping and customs clearance processes
  • Minimum order quantities (usually 20-25 metric tons)

Types of Sepiolite


Common commercial varieties include:

  • Natural sepiolite: Untreated, with original fibrous structure
  • Activated sepiolite: Chemically treated for enhanced properties
  • Powdered sepiolite: Fine grind for specific applications
  • Granular sepiolite: Larger particles for filtration uses

Functions and features of Sepiolite


This mineral stands out due to:

  • Exceptional absorption capacity (up to 250% its weight)
  • High thermal stability (resists up to 350°C)
  • Excellent rheological properties
  • Natural cation exchange capacity

Scenarios of Sepiolite


Industrial applications include:

  • Animal feed additives (improves digestion)
  • Drilling mud component (oil & gas industry)
  • Cat litter absorbent material
  • Paint and coating thickener
  • Pharmaceutical excipient

How to Choose Sepiolite


Selection criteria should consider:

  • Application-specific purity requirements
  • Particle size distribution needs
  • Moisture content tolerance
  • Budget constraints
  • Supplier reliability

Sepiolite Q & A


Q: What's the typical price range for sepiolite?
A: Bulk prices range from $80-$300/ton depending on quality and processing.


Q: How does sepiolite compare to bentonite?
A: Sepiolite offers higher absorption but bentonite has better swelling properties.


Q: What's the shelf life of sepiolite products?
A: Properly stored, it remains stable for 2-3 years.


Q: Can sepiolite be used in organic farming?
A: Yes, its natural composition makes it suitable for organic applications.


Q: What safety precautions are needed when handling sepiolite?
A: Dust masks are recommended during bulk handling to prevent inhalation.