Skip to main content

Product Description

P600 is a rigid, closed cell, preformed, unfaced, polyisocyanurate foam material (polyiso). This CFC and HCFC free product provides outstanding physical properties in applications having a service temperature between –297 and +300°F (-183 and +149°C). P600 is grey in color and is available in blocks, sheets and fabricated shapes.

Physical Properties 1, 2ASTM Method Typical Values EnglishTypical Values Metric
DensityD16226.0 lb/ft95.8 kg/m3
Thermal Conductivity,k-factor4
Initial at 75°F (24°C)
Aged 10 days at 158°F (70°C)
C5185.5 (hr·ft2·°F)/BTU
5.2 (hr·ft2·°F)/BTU
0.97 (m2·°C)/W
0.92 (m2·°C)/W
ThermalConductivity, R-value per inch4
Initial at 75°F (24°C)
Aged 10 days at 158°F (70°C)
C5185.5 (hr·ft2·°F)/BTU
5.2 (hr·ft2·°F)/BTU
978 / 32,865 kPa
834 / 21,290 kPa
Compressive Strength / Modulus
Parallel to Rise
Perpendicular to Rise5
D1621142 / 4,770 lb/in2
121 / 3,090 lb/in2
978 / 32,865 kPa
834 / 21,290 kPa
Shear Strength / Modulus
Parallel to Rise
Perpendicular to Rise5
C27385 / 1,050 lb/in2
71 / 850 lb/in2
585 / 7,234 kPa
489 / 6,063 kPa
Tensile Strength / Modulus
Parallel to Rise
Perpendicular to Rise5
D1623135 / 3,940 lb/in2
115 / 2,280 lb/in2
930 / 27,146kPa
792 / 15,709 kPa
Flexural Strength / Modulus
Parallel to Rise
Perpendicular to Rise
C203241 / 5,991 lb/in2
170 / 3,896 lb/in2
1,661 / 41,298 kPa
1,171 / 26,843 kPa
Closed Cell Content (by volume)D622695%
Water Absorption (by volume)C272 0.5%
Water Vapor TransmissionE962.0 perms·in2.9 ng/Pa·s·m
Dimensional Stability6
(length / volume change)
+158°F(70°C), 97 ± 3% relativity humidity, 14 days
-40°F(-40°C), ambient relativity humidity, 14 days
+212°F(100°C), ambient relative humidity, 14 days
D2126+0.6 / +1.7%
+0.1 / -0.4%
-0.2 / +0.5%
Coefficient of Linear Thermal Expansion
0 to +250°F (-17 to +121°C)
E22835 x 10-6 in/in·°F63 x 10-6 mm/mm·°C
Hot Surface Performance at 300°F (149°C)C411Pass
Polyisocyanurate Insulation RequirementsC591Grade 2,Type VI compliant