The ideal filler for the perfect finish

Finely ground, high-purity, inert silica for exterior coatings and protective industrial finishes.

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When it comes to our fine ground silica products, no one grinds finer than we do.

Product Quality
Paint
Product Quality

The purest, most consistent grades available

  • Some of the industry’s whitest grades and tightest particle distributions 
  • Specialized processes further refine particle size and color
  • Ongoing analyses and inspections help ensure reliable formulations 
  • Multiple plants ISO-certified for consistent product quality and accountability
Product Selection
Painting
Product Selection

Precision-ground silicas from 250 to 5 micron top size

  • Wide range of particle size distribution to match virtually any spec
  • Finest ground silicas enhance dispersion and minimize imperfections
  • Custom blends available to provide even more options
  • Grinding capabilities at multiple plants further refine grades 
  • Product availability at multiple U.S. plants ensures continuous supply
Research and Development
Sand Under a Microscope
Research and Development

Higher performance through innovation

  • Highly engineered products meet higher standards and enhance value
  • Million-dollar capital investments mean industry-leading grinding capabilities
  • Our ability to customize products allows us to meet the most exacting specs
  • Deep industry experience means we understand unique performance challenges
  • Strong reputation for offering bottom-line oriented solutions
Locations
Map of ISP Locations
Locations

Everywhere you need us

  • Strategically located plants near some of the whitest ores
  • Plants conveniently located to minimize shipping costs
  • Diversity of plant locations helps ensure reliable, uninterrupted shipments 

Applications

Wide array of ground and fine ground silicas enhance performance in multiple applications, including:

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