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Plastics & Elastomers
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GeoCell® NF-534 P

Technical Datasheet | Supplied by Bewi Styrochem
GeoCell® NF-534 P by Bewi Styrochem is a recyclable, shock absorbing, flame retardant, expandable polystyrene (EPS) grade. Contains pentane as a blowing agent and brominated polymeric additive. 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 does not contain any chlorofluorocarbon (CFC's) or hydro-chloro-fluoro carbon (HCFC's). Is suitable for processing by foaming by continuous machine or block molding. Recommended for light and heavy insulation board, low and high density applications. Also used in applications where low water uptake is required like frost insulation of building perimeter. GeoCell® NF-534 P complies with DIN 4102-1 part 1, class B1 and ISO EN 11925-2 class E.
Product Type
PS or GPPS (Polystyrene) > EPS
Physical Form
Product Status

GeoCell® NF-534 P 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
0.9 - 1.4 mm
( )
Image Analyser

GeoCell® NF-534 P Processing Guidelines

Foaming Properties

Value & Unit
Test Condition
Test Method
Pre-Foaming Temperature
100 - 110 °C
Conditioning Time
12 - 24 hr
Steam Pressure
< 2 bar
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