Quality. Selection. Experience.

Superior performance silica sands and diatomaceous earth.

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We meet the highest quality standards in the industry for all types of
building product applications.

Product Selection
construction man
Product Selection

More than 100 blends to match your needs

  • Wide selection of size-controlled, color-monitored silicas and cristobalite
  • Coarse, medium and fine grades available in round and sub-angular grains
  • Custom blends meet even the most restrictive specification requirements 
  • Grinding capabilities at multiple plants maximize our product offering 
Product Quality
Pure White Whole Grain Silica
Product Quality

Pure, white, consistent

  • Multiple ISO registered plants to ensure product quality and accountability
  • Ongoing quality analyses/inspections ensure consistent purity and size distributions
  • Our products meet Department of Transportation standards for strength and durability 
  • Proven track record in meeting ASTM standards and specifications
Locations
Map of ISP Locations
Locations

Everywhere You Need Us

  • Nearby plants reduce freight costs to minimize formulation costs  
  • Strategically located regional plants mean on-time deliveries
  • Diversity of plant locations helps ensure reliable, uninterrupted shipments 
Research and Development
Customizing Products
Research and Development

Innovating higher performance

  • Specially engineered products meet higher standards to provide enhanced value
  • Diverse team with extensive knowledge and experience in building industry
  • Ability to customize products to meet the most critical specifications

Applications

Our product solutions enhance performance in a wide array of building products applications.

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