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    Cloth
Vermiculite Fiberglass Technical Data

Continuous Temp    1,000°F (538°C)
Short Exposure Temp    1,400°F (760°C)


  • Low thermal conductivity
  • Will not burn or smolder
  • Will not shrink or stretch
  • High strength-to-weight ratio
  • High dielectric strength/low constants
  • Resistant to most chemicals
  • Excellent flexibility up to 1,500°F


FIBERGLASS COMPOSITION
Silicon Dioxide    52-56% min
Calcium Oxide    16-25%
Aluminum Oxide    10-12%
Boron Oxide    8-12%
Magnesium Oxide    0-6%
Sodium Oxide    0-1%
Potassium Oxide    0-1%
VERMICULITE COMPOSITION
Silicon Dioxide    38-46%
Magnesium Oxide    16-24%
Aluminum Oxide    11-16%
Ferric Oxide    8-13%
Potassium Oxide    4-6%
Calcium Oxide    1-3%
Titanium Oxide    1-3%
Magnesium Oxide    0.1-0.2%
Chromium Oxide    0.05-0.2%
Sodium Oxide    0.1-0.3%
Others    <0.5%


  • Cryogenic or high temperature insulation
  • Chemical absorbent
  • Pet food filler
  • Acoustical absorbent