BEWiSynbra Circulum® B-780p Expandable Polystyrene

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BEWiSynbra Circulum® B-780p Expandable Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	Description: B-780p is an expandable polystyrene grade containing pentane as a blowing agent. The product is delivered in the form of spherical beads with a bulk density of about 0.6 g/cm3 and is available in 1100 kg octabins. Applications: The properties of B-780p make it especially suitable for the production of shape-moulded products. Information provided by BEWi Synbra
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Physical Properties	Original Value	Comments

Bulk Density	0.600 g/cc
Storage Temperature	20.0 °C

Mechanical Properties	Original Value	Comments
Flexural Strength	0.170 MPa	15 kg/m3; EN 12089
	0.240 MPa	20 kg/m3; EN 12089
	0.380 MPa	30 kg/m3; EN 12089
	0.560 MPa	40 kg/m3; EN 12089
Compressive Strength	0.0800 MPa @Strain 10 %	15 kg/m3; EN 826
	0.120 MPa @Strain 10 %	20 kg/m3; EN 826
	0.200 MPa @Strain 10 %	30 kg/m3; EN 826
	0.280 MPa @Strain 10 %	40 kg/m3; EN 826

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.0320 W/m-K	30 kg/m3; EN 12667
	0.0320 W/m-K	40 kg/m3; EN 12667
	0.0340 W/m-K	20 kg/m3; EN 12667
	0.0380 W/m-K	15 kg/m3; EN 12667

Descriptive Properties
Raw material	<0.1%	Monomer level
	0.6-1.0 mm	Main bead size distribution
	5.5-6.5%	Pentane content

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