Cristobalite • GoreSil® • CristolBrite™

Our Cristobalite, GoreSil and CristolBrite are synthesized from high purity quartz using a solid state, high heat manufacturing process that yields a consistently high conversion and a high purity. C.E.D. uses no additives (mineralizers) in the manufacture of these products.


CristolBrite - The brightest idea in additioves and fillers CristolBrite - The brightest idea in additioves and fillers
C1 - Cristobalite, Magnification: 150X
C1 - Cristobalite, Magnification: 500X
  • Low Refractive Index
  • Crystal Surface Terminates with Siloxane Groups
  • Rounded Particle Geometry
  • High mohs Hardness
  • High Coefficient of Thermal Expansion
  • Non-reactive, Completely Inert
  • Low Oil Absorption
  • Low Moisture Content


  • No Haze in Clear or Semi-transparent Coatings
  • Low Sensitivity to Moisture Pick-up
  • Excellent Surface for Silane Treatments
  • Less Abrasive than Quartz
  • Provides Coatings with High Apparent Opacity
  • Very Effective as an Pigment Extender
  • Excellent Abrasion, Scrub and Burnish Resistance
  • Withstands Rapid or Frequent Temperature Changes
  • Acid and Alkali Resistance in Formulated Products
  • Performs Well in High Solid, High Viscosity Formulations
  • Ideal for Moisture Sensitive Systems and Formulations

Applications and Industries Currently Served

High Precision Investment Casting

  • Precision Dental Appliances
  • Jewelry, via the Lost Wax Process
  • Close Tolerance Electronic Parts

Abrasives and Polishing Media

Bunker Sand

Quartz Countertops


  • Sealant Filler and Caulk Filler
  • Roof Coating Filler
  • Plastic Filler and Resin Filler
  • Silicone Filler
  • Natural Rubber Filler

Paints and Coatings

  • Varnish & Clear Coats
  • Pigment Extenders
  • Architectural Coatings
  • Marine Coatings

Powder Coatings

PHOTOS:  | (Top) Cristobalite 150x | (Bottom) Cristobalite 500x  |