Pyrotek NAD-250 Structural Insulation Board

Category	Ceramic
Manufacturer	Pyrotek, Inc.
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Pyrotek NAD-250 Structural Insulation Board.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

NAD-250 is a general purpose cement board. It is suitable for low-voltage electrical insulation in dry conditions.ApplicationsOven shelves Platen insulators Coil boxes Foundry core plates Heat guards AdvantagesHigh strength Thermal stability Corrosion resistance Flame resistance Good machinability Information provided by Pyrotek.

Physical Properties	Metric	English	Comments
Density	1.602 g/cc	0.05788 lb/in³
Water Absorption	21 %	21 %

Mechanical Properties	Metric	English	Comments
Flexural Strength	18.0 MPa	2610 psi
Compressive Strength	72.0 MPa	10400 psi

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.340 W/m-K @Temperature 121 °C	2.36 BTU-in/hr-ft²-°F @Temperature 250 °F
Maximum Service Temperature, Air	250 °C	482 °F	Continuous use
	315 °C	599 °F
Shrinkage	0.85 %	0.85 %	Length
	3.7 %	3.7 %	Thickness

Electrical Properties	Metric	English
Volume Resistivity	7.10e+10 ohm-cm	7.10e+10 ohm-cm
Dielectric Strength	1.38 kV/mm	35.1 kV/in
Arc Resistance	260 sec	260 sec

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