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Insulator sheets help reduce heat loss between the mold and the platen. Blank Full Sheets are available in 1/4" and 1/2" thicknesses. These insulator sheets are asbestos free, oil and moisture resistant and have a high hot compressive strength.


  • Reduces heat loss from mold to platen
  • Flame resistance: UL Subject 94, V-O
  • High hot compressive strength
  • Low thermal conductivity
  • Oil and moisture resistant
  • Heat resistant composite material
  • Conserves energy and prolongs machine life

Additional Notes

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Specifications *

* Applicable to all items below
FeatureSize / Details
Compressive Strength49,000 psi @ 75º F | 18,000 psi @ 392º F | 17,500 psi @ 425º
Includes Center HoleNo
Length Tolerance-.060/-.120
Material TypeCostherm
Operating Temperatureup to 550º F
Thickness Tolerance+/- .002 in
Unit of MeasureInch
Width Tolerance-.060/-.120

Available Blank Full Sheets

Item NumberLengthThicknessWidth Price Buy Now
IN-1836-236.0001/4"18.000 99.15 Add
IN-1836-436.0001/2"18.000 162.09 Add
IN-2436-236.0001/4"24.000 129.36 Add
IN-2436-436.0001/2"24.000 218.28 Add
IN-3636-236.0001/4"36.000 192.75 Add
IN-3636-436.0001/2"36.000 325.90 Add
IN-4896-296.0001/4"48.000 868.84 Add