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Circulum® B-280

Circulum® B-280 by BEWI is a recyclable, shock absorbing, expandable polystyrene (EPS) grade containing pentane as a blowing agent. It is cost-effective, environment friendly and safe to use. Available in the form of spherical beads with a bulk density of about 0.6 g/cm3 in 1.1 ton octabins. It is chlorofluorocarbon (CFC's) or hydro-chloro-fluoro carbon (HCFC's)- free. It is suitable for processing by foaming by block molding process. Recommended for special packaging applications and production of light & heavy insulation boards. Circulum® B-280 meets the food contact regulations.

Circulum® B-280 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Pentane Content

5.5 - 6.5 %

Gas Chromatography

Monomer Level

< 0.1 %

Gas Chromatography

Main Bead Size Distribution

1.5 - 2.5 mm

Image Analyser

Foaming Properties

Value & Unit

Test Condition

Test Method

Pre-Foaming Temperature

100 - 110 °C

Conditioning Time

12 - 24 hr

Steam Pressure

< 2 bar

*The last time this product was checked, its availability could not be confirmed. If you have more information about its availability, please contact us.

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Circulum® B-280

Circulum® B-280 Properties

Physical Properties

Circulum® B-280 Processing Guidelines

Foaming Properties