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NOVA Chemicals Dytherm® 340R Expandable Polystyrene


Subcategory: Polystyrene; Thermoplastic

Key Words: Expanded Polystyrene, EPS

Material Notes:
This is a special grade consisting of spherical beads of a blend of polystyrene-polyphenylene ether containing pentane as expansion agent, typically used for medium density foam with improved thermal resistance.

Applications: This grade is used for medium density foam with wall-thickness generally greater than or equal to 10 mm and with improved thermal resistance. Typical applications include hot-water insulation and automotive parts (interior and exterior).
Processing of DYTHERM beads on pressurized batch pre-expander is recommended. It can be process on a continuous pre-expander when higher densities are acceptable.

This grade should not be used for food contact applications.

Information provided by NOVA Chemicals.

Available Properties
  • Density
  • Bulk Density
  • Bead Size
  • Styrene Content
  • Blowing Agent Content
  • Maximum Service Temperature, Air
Property Data

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