Natural Scratch Free Muscovite Mica Fabrication

Since 1975 B&M is manufacturing High Precision Mica components with tolerances of .00005" and thickness from .0001" to .031" confirming to ASTM (D-351-97) standards. Our in house ZERO DEFECT policy provides the best work with mica available, from small lot prototypes to high volume requirements for:

  • Nuclear
  • X-Ray Analysis Instruments
  • Gauge Glass (Complete Kit)
  • Aerospace
  • Medical
  • Electronic
  • Automotive


Due to the superior insulating characteristics of Natural Superfine Muscovite Mica, its use is almost endless, but not limited to:

  • Mica Windows for Geiger Muller & Klystron Tubes
  • Quarter & Half Plates for Laser Industry
  • X-Ray Analysis Instruments
  • Non-Contact Electro-Optical Instruments
  • Optical Components
  • Gauge Glass Mica Shields
  • Metalizing Resistance Cards
  • Metalizing Diaphragm Valves
  • Bolometer
  • Large Transmitter Capacitors
  • Naval & Air Craft Sound Detection
  • Radiation Pyrometers Windows
  • Electronics & High Temperature Applications
  • Vacuum Scratch-free Mica Discs
  • Combustion Furnaces

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