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DESI Glass Beads

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Spherical pure glass beads.

Typical Properties

Appearance: Transparent spheres
Specific Gravity (g/cc): 2.5
Bulk Density (lb/ft3): 117
Hardness, MOH: 5-6
Compressive Strength (psi): 10,000 minimum
Typical Partical Diameter: Fine at 65 micron (230 mesh) and Coarse at 600 micron (30 mesh)


  • Not adversely affected by pressure, temperature, or mud chemistry.
  • Can be used in any type of system.
  • Superior strength and 75% roundness.
  • Contains no free silica.


  • Horizontal Drilling—Improved sliding ability, extended lateral drilling capability.
  • Deviated, crooked holes—Reduced torque and drag.
  • Running casing, liner—Reduced drag created by closer tolerances and stiffer hook up.