Thermal Fiberglass Papers

Thermal Fiberglass Papers

Non-respirable glass fiber paper provides outstanding thermal insulation and can withstand intermittent operating temperatures of 1200 °F. This material has excellent dimensional stability. It can be an alternative to silicone or ceramic fiber insulating and gasketing materials. Meets UL94V-0.

Applications include: Hearth products, furnace, and Boiler insulation, automotive heat shields, gasketing for lighting

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  • Outstanding dimensional stability
  • Excellent compression resistance
  • Low Loss on Ignition (LOI) to satisfy low smoke and order requirements
  • Excellent thickness control
  • Meets UL-94 V-0
  • Non-formaldehyde-based binders
  • Available in white or black
Thermal Fiberglass Papers
Property Units 1200 1900 2000
Product Brands Lydall Manniglas
Density (post compression) lb / ft 3 8.7 7.0 7.1
Loss on Ignition % 6.0 6.0 6.0
Machine Direction Tensile lb / in 45.0 40.0 33.0
Cross Directional Tensile lb / in 50.0 30.0 34.0
Thermal Conductivity @ 75 °F K Factor 0.22 0.23 0.22
Thermal Conductivity @ 600 °F K Factor 0.42 0.48 0.55
Thermal Conductivity @ 1100 °F K Factor 0.92 0.98 1.29
Operating Temperature °F ≥ 1100 ≥ 1100 ≥ 1100
Melting Point °F > 1200 > 1200 > 1200
Values representative for 0.125" thick material