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Industrial Mineral Fillers

Quality You Can Trust

Boxley Materials Company built its reputation on a commitment to quality which extends to the materials produced at Buckingham Slate. We welcome the opportunity to learn about your specific needs for Industrial Mineral Fillers.

For more information complete the form below or contact Joseph Pinkard at or by phone at 540.597.8868.

Slate Powder (Flour)

industrial mineral fillers
Available in 20 Mesh, 40 Mesh, Sand and Granules

At our Arvonia – Aggregate operation where Buckingham Slate is produced, we are looking for partners in the market for high-performance Industrial Mineral Fillers as we explore the potential for manufacturing high-performance, heat-resistant, and chemically inert products for a variety of industrial mineral applications.

Slate Mineral Fillers Applications

Slate Powder (Flour): 20 Mesh and 40 Mesh
  • Asphalt Coatings
  • Mild Abrasives
  • Rubber Coatings
  • Rubber
  • Fertilizer
  • Paints
  • Plastics
  • Adhesives
Slate Granules: #11 Granules, Sand
  • Roofing Products
  • Surface Coatings
  • Meets exacting requirements of industry standards
  • High opacity
  • Low oil and water absorbency
  • Unfading
  • Weather-resistant
  • Chemically inert
  • Asbestos-free
  • Made in the USA
  • Shipping via rail or truck or local pickup is available

Download Slate Gradation Sheets

Lab Testing has shown that Buckingham Slate produces abundant, stable, smooth, platy, and durable minerals.

For chemical information on our industrial mineral filler, download the Product Data Sheet.


Joseph Pinkard —