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Ensinger PEI

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NOVA Chemicals Styrocell® D933A Expandable Polystyrene  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)

Material Notes: This grade is a special molding grade consisting of spherical polystyrene beads containing pentane as expansion agent, typically used for dry molding of drinking cups and thin wall containers.

Applications: This grade is used for dry molding of drinking cups and containers with very thin walls such as vending cups.

This grade complies with major European and US food contact regulatory regimes, including: European Community Directive 90/128/ECC, including 92/39EEC and 95/EC, relating to plastics materials and articles, intended to come into contact with foodstuffs. Dutch Food Packaging Regulations. Recommendations of German Federal Office of Health (BGA), now regulated by the new Institute of Consumer Health (BGVV), Empfehlung V. US Food and Drug Administration Code of Federal Regulations title 21, sections 177.1640 (Polystyrene) and 178.3010 (Blowing Agents).

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 PropertiesOriginal ValueComments
Bulk Density 0.620 g/cc
Density >= 0.0300 g/ccMinimum achievable; Single stage pre-expansion in continuous expander at atmospheric pressure
 0.0700 - 0.100 g/ccNormal molded density
Bead Size 0.200 - 0.350 mm
 0.200 - 0.400 mmBreda Laboratory Analytical Methods 90.30
 
Chemical PropertiesOriginal ValueComments
Styrene Content <= 0.10 %Residual Styrene Monomer Content per Breda Laboratory Analytical Methods 90.16
Blowing Agent Content >= 5.7 %Breda Laboratory Analytical Methods 90.18

**
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