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A glass-mica-quartz cement board, non-asbestos, with comparable properties as the asbestos cement-type, non-combustible boards.

NAD-11 is an asbestos-free cement board with excellent properties. A high density cement board reinforced with inorganic fibers, NAD-11 is suitable for applications requiring continuous operation in temperatures up to 500°C (932°F). 

NAD-11 Advantages

  • Asbestos-free 
  • Dimensional stability
  • Non-combustible
  • Good machining characteristics
  • Chemically inert
Nad-11 Physical Properties
Composition Glass-mica, quartz-cement
Thickness 6 mm, 9 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 65 mm, 75 mm
Density 109 pcf
Maximum Service Temp 932º F
Compressive Strength
7500 psi ambient, 6750 psi after 400º F
Compressive Strength
14000 psi ambient, 8100 psi after 400º F
Arc Resistance
After Drying
360 seconds
Thermal Conductivity 3.26 btu-in/(hr-ºF-ft²) @ 392º F

Nad-11 Product Downloads

Click here to request a quote for Nad-11

NAD-11 is a registered trademark of Pyrotek, Inc.

Product data provided is not a complete set of specifications for this product. A complete set of specifications is available upon request. Any purchase or use of this product without such a request, provision and reading of the complete specifications, product data and instructions for use is at the customers own risk. Red Seal Electric disclaims all warranties, express or implied, including, but not limited to, the warranty of merchantability and the warranty of fitness for a particular purpose. 06/97