Synthos HI 552M HIPS

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Synthos HI 552M HIPS
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	High-impact type for a wide range of applications; Processed mainly by injection. Manufacture of consumer goods and technical components which are exposed to higher mechanical stress. Good results are also achieved in the extrusion of profiles. SYNTHOS PS HI 552M is high-impact polystyrene (HIPS) with a balanced combination of rheological, mechanical and thermal properties, suitable for general application use. It is a thermoplastic material designed for injection moulding and extrusion. SYNTHOS PS HI 552M is a opaque plastic. Product has a form of lens granules of diameter 2,5 to 4 mms. 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	0.650 g/cc	apparent
	1.04 g/cc	ISO 1183
Water Absorption	0.10 %	Ø 50x3 mm; ISO 62
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	50x50 mm
Melt Flow	9.0 - 10 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Chemical Properties	Original Value	Comments
Styrene Content	0.025 %	Residual

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	70.0 MPa	H 358/30, Ø 50x4 mm; ISO 2039-1
Tensile Strength at Break	22.0 MPa	5 mm/min; ISO 527-2/1A/5
Tensile Strength, Yield	28.0 MPa	50 mm/min; ISO 527-2/1A/50
Elongation at Break	38 %	5 mm/min; ISO 527-2/1A/5
Modulus of Elasticity	2.05 GPa	1 mm/min; ISO 527-2/1A/1
Flexural Strength	40.0 MPa	2 mm/min; 80x10x4 mm; ISO 178
Izod Impact, Notched (ISO)	9.00 kJ/m²	80x10x4 mm, r=0,25; V-karb, V-vrub; ISO 180/1A
Izod Impact, Unnotched (ISO)	100 kJ/m²	80x10x4 mm; ISO 180/1U
Charpy Impact Unnotched	120 kJ/m²	80x10x4 mm; ISO 179/1eU
	NB	80x10x4 mm; ISO 179/1fU
Charpy Impact, Notched	8.00 kJ/m²	80x10x4 mm, r=0,25; V-karb, V-vrub; ISO 179/1eA

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	75.0 °C	80x10x4 mm; ISO 75-2/Af
Vicat Softening Point	88.0 °C @Load 5.10 kg	50 °C/h, 10x10x4 mm; ISO 306/B50
	96.0 °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	180 - 260 °C	Injection moulding
	200 - 240 °C	Extrusion
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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PSYNTHOS155 / 320436

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