FHR EPS 40-6340 Datasheet

Expanded Polystyrene

Supplied by Flint Hills Resources, LP

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Product Description
Low Pentane Grade 40 Expandable Polystyrene is a modified high performance expandable resin produced with a level of blowing agent. It is available in two bead sizes designed for the Insulated Concrete Form Industry and other Shape or Custom molding applications requiring fast processing. This product contains a flame retardant and the molded expanded polystyrene has been classified for flammability properties by Underwriters Laboratories, Inc., Underwriters Laboratories of Canada, and the Canadian Standards Association to show compliance with the building codes of North America. These products also meet applicable industrial, military, and federal specifications.
Material Status 
  • Commercial: Active
  • North America
  • Blowing Agent
  • Fast Molding Cycle
  • Flame Retardant
  • Good Processability
  • Low Density
Agency Ratings 
RoHS Compliance 
  • Pellets
Nominal Value
Test Method
Density / Specific Gravity
Additional Information
Bead Size: B/C
Typical Unexpanded Particle Size: 0.4 - 0.7 mm
Blowing Agent Level: Low
Recommended Density Range: 1.35 - 2 lbs/ft³
Method of Process: Block/Shape
Features may also be described by the following terms: Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, Good Processability, Easy Processing, Low Density, Low Specific Gravity.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): ASTM (2).
1Typical properties: these are not to be construed as specifications.
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