R-9340 High Performance Insulation Foam Block

With the LAST-A-FOAM® R-9340 HP, General Plastics expands its offering of insulation foam blocks. The LAST-A-FOAM® R-9340 HP has a compressive strength of 2,100 psi and is engineered to address complex industrial thermal construction applications. It is energy efficient, ready-to-use, and self-extinguishing.


The key applications of the R-9340 HP are as follows:

  • Perimeter fall protection
  • Column-bearing isolation
  • Thermal floor reinforcement
  • Roof equipment support
  • Canopy/mansard isolation
  • Tank vessel isolation
  • Pipe support standard
  • Tilt-Up/precast panel
Property English Metric Test Method / Comments
Density (pcf) (kg/m3) 40 641 Nominal Value
Compressive Strength (psi) (kPa)     ASTM D1621
Strength @ 2% Deflection      
   @ 75 °F 1,800 12,411 *Certified* Minimum Value
Compressive Modulus (psi) (kPa)     ASTM D1621
Parallel to Rise      
   @ 75 °F 83,000 572,285 Nominal Values
   @ 200 °F 62,000 427,490 Nominal Values
Perpendicular to Rise      
   @ 75 °F 95,000 655,025 Nominal Values
   @ 200 °F 69,000 475,755 Nominal Values
Compressive Strength (psi) (kPa)     ASTM D1621
Strength @ 10% Deflection  
   @ 75 °F 4,220 29,097 *Certified* Minimum Value
Tensile Strength (psi) (kPa)     ASTM D1623 Type A Specimens
Parallel to Rise 1,800 12,411 Minimum Value
Perpendicular to Rise 2,000 13,790 Minimum Value
Shear Strength (psi) (kPa)     ASTM D5379
Weakest direction 1,200 8,274 Minimum Value
Shear Modulus (psi) (kPa)     ASTM D5379
Weakest direction 27,000 186,165 Nominal Value
Thermal Conductivity:     ASTM C518 at 75 °F (24 °C) mean temp.
(BTU*in/ft2*°F*h) [(W/m*K)] 0.63 0.09  
R-Value (ft2•°F•h/Btu) [(K•m2/W)] 1.57 0.28  
Poisson's Ratio: ~ 0.3 ~ 0.3 Literature (Gibson & Ashby)
Hardness, Shore-D (cut foam surface) 76 76 ASTM D-2240
Water Absorption (lbs/ft2) (kg/m2): 0.004 0.018 ASTM D-2842
Fire Safety *S/E *S/E *Self-extinguishing via test method shown below


Values shown are average values determined from laboratory tests, unless otherwise stated.

* FAR 25.853 (A) App. F (a)(1)(i) & (ii) tested vertically on 1/2" thick specimen using 12- and 60- second ignition with a Bunsen burner

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