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Ineos Nova W441A Expandable Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Expanded Polystyrene (EPS)
Manufacturer Ineos Nova
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Ineos Nova W441A Expandable Polystyrene.pdf
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Material Notes:
A regular molding grade consisting of spherical polystyrene beads containing pentane as expansion agent, typically used for high density foam applications.Applications: This grade is sued mainly for producing high density block and contour molding. It offer controllable pre-expansion, short maturing times, fast cycle time during molding and low shrinkage in the density range of 30-80 kg/m³.Information provided by NOVA Chemicals.
Physical Properties Metric English Comments
Bulk Density 0.620 g/cc
0.0224 lb/in³
Density >= 0.0300 g/cc
>= 0.00108 lb/in³
Minimum achievable; Single stage pre-expansion in continuous expander at atmospheric pressure
0.0300 - 0.0800 g/cc
0.00108 - 0.00289 lb/in³
Normal molded density assuming cost optimized selection of processing conditions.
Bead Size 0.800 - 1.30 mm
0.0315 - 0.0512 in
0.700 - 1.40 mm
0.0276 - 0.0551 in
> 95% in this range per Berre Laboratory Analytical Methods 0492
Chemical Properties Metric English Comments
Styrene Content <= 0.10 %
<= 0.10 %
Residual Styrene Monomer Content per Berre Laboratory Analytical Methods 0075
Blowing Agent Content >= 4.5 %
>= 4.5 %
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