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Master Bond adhesives

NOVA Chemicals Dytherm® 150R Expandable Polystyrene  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); 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, pipe-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.

Key Words: Expanded Polystyrene, EPS
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 0.620 g/cc0.0224 lb/in³
Density >= 0.0200 g/cc>= 0.000723 lb/in³Minimum achievable; Single stage pre-expansion in continuous expander at atmospheric pressure
 0.0200 - 0.100 g/cc0.000723 - 0.00361 lb/in³Normal molded density assuming cost optimized selection of processing conditions.
Bead Size 0.600 - 1.00 mm0.0236 - 0.0394 inBreda Laboratory Analytical Methods 90.30
 0.700 - 1.00 mm0.0276 - 0.0394 in
 
Chemical PropertiesMetricEnglishComments
Styrene Content <= 0.10 %<= 0.10 %Residual Styrene Monomer Content per Breda Laboratory Analytical Methods 90.16
Blowing Agent Content >= 5.8 %>= 5.8 %Breda Laboratory Analytical Methods 90.18
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 104 °C219 °FModified ISO 2796-1980; Typical maximum temperature to which parts can be exposed short term (1 hour) without significant deformation (<1%).

**
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PNOVA227 / 55128

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