Synthos PS GP 585A Polystyrene

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Synthos PS GP 585A Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS)
Material Notes:	Characteristics: SYNTHOS PS GP 585A is general purpose polystyrene (GPPS) with excellent optical properties, gloss, high heat resistance and mechanical strength. It is colorless, thermoplastic material designed for extrusion, injection moulding and thermoforming. Product has a form of cylindrical granules of diameter 2.5 to 6 mm. The product may contain small amounts of granulate finer than that mentioned above of irregular shapes. Presence of any mechanical impurities in the granulate is not allowed. Information provided by Synthos
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Physical Properties	Original Value	Comments

Density	0.620 g/cc	apparent
	1.04 g/cc	ISO 1183
Water Absorption	0.10 %	Ø 50x3 mm; ISO 62
Linear Mold Shrinkage	0.0020 - 0.0050 cm/cm	50x50 mm
Melt Flow	2.4 - 2.6 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Chemical Properties	Original Value	Comments
Styrene Content	0.020 %	Residual

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	115 MPa	H 358/30, Ø 50x4 mm; ISO 2039-1
Tensile Strength at Break	50.0 MPa	5 mm/min; ISO 527-2/1A/5
Elongation at Break	2.0 %	5 mm/min; ISO 527-2/1A/5
Modulus of Elasticity	3.10 GPa	1 mm/min; ISO 527-2/1A/1
Flexural Strength	85.0 MPa	2 mm/min; 80x10x4 mm; ISO 178
Flexural Strain at Break	3.5 %	2 mm/min; 80x10x4 mm; ISO 178
Charpy Impact Unnotched	11.0 kJ/m²	80x10x4 mm; ISO 179/1eU

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	84.0 °C	80x10x4 mm; ISO 75-2/Af
Vicat Softening Point	100 °C @Load 5.10 kg	50 °C/h, 10x10x4 mm; ISO 306/B50
	104 °C @Load 1.02 kg	50 °C/h, 10x10x4 mm; ISO 306/A50
Flammability, UL94	HB @Thickness 1.60 mm

Processing Properties	Original Value	Comments
Melt Temperature	200 - 250 °C	Extrusion
	180 - 280 °C	Injection moulding
Mold Temperature	10.0 - 60.0 °C	Injection moulding
Dry Time	1.00 hour @Temperature 80.0 °C	drier with a molecular sieve
	2.00 - 4.00 hour @Temperature 70.0 °C	hot-air drier

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PSYNTHOS151 / 320432

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