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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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InSphere® 300S/CZ

Technical Datasheet | Supplied by Synthos Group
InSphere® 300S/CZ by Synthos Group is a white colored, spherical, expandable polystyrene (EPS) grade. It contains pentane as a hydrocarbon blowing agent and do not contain any flame retardant agent. Is suitable for processing by shape molding. InSphere® 300S/CZ is recommended for parts with wall thickness below 10 mm such as shipping packaging for glass and electrical goods, building bricks, floor and roof shaped parts.
Product Type
PS or GPPS (Polystyrene) > EPS
Physical Form

InSphere® 300S/CZ Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Particle Size fraction
0.40 - 0.63 mm
( )
Internal Method
Fraction of the Particle size
0.315 - 0.80 mm
(> 95%)
Internal Method
Blowing Agent Content
< 7.0 %
( )
Internal Method
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