INEOS Styrolution Styroflex® 2G 66 LE Styrene Butadiene Copolymer (SBC)

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INEOS Styrolution Styroflex® 2G 66 LE Styrene Butadiene Copolymer (SBC)
Categories:	Polymer; Thermoplastic; Styrene-Butadiene; Styrene-Butadiene Copolymer, SBC
Material Notes:	Styroflex® 2G66 is a styrene-butadiene block copolymer (SBC) with the properties of a thermoplastic elastomer (S-TPE) suitable for extrusion (blown and cast film) and for injection molding. Styroflex® 2G66 is also used for polymers modification and compatibilization. It is more polar than comparable SBS or SEBS grades and offers a combination of high resilience and toughness with good transparency and process stability. Features: Excellent thermostability, Very high elongation at break, High resilience, High transparency, Regulatory compliant, High flow. Applications: Food packaging and films, Stretch hood/ stretch film, Impact modification / ESCR improvement, Compounding, compatibilization, recycling, Medical devices, Adhesives, Soft touch injection molding; toys, 2-K inj. mold. Information provided by Styrolution.
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Physical Properties	Metric	English	Comments

Density	0.998 g/cc	0.0361 lb/in³	ISO 1183
Water Absorption at Saturation	0.070 %	0.070 %	ISO 62
Oxygen Transmission Rate	27.2 cc/m²/day @Temperature 23.0 °C	1.75 cc/100 in²/day @Temperature 73.4 °F	0% RH
Melt Flow	13 g/10 min @Load 5.00 kg, Temperature 200 °C	13 g/10 min @Load 11.0 lb, Temperature 392 °F	Volumetric; cm3/10 min; ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	84	84	ISO 868
Hardness, Shore D	34	34	ISO 868
Tensile Strength, Yield	4.00 MPa	580 psi	ISO 527
Elongation at Break	>= 500 %	>= 500 %	Nominal; ISO 527
	>= 500 %	>= 500 %	ISO 527
Elongation at Yield	5.0 %	5.0 %	ISO 527
Tensile Modulus	0.120 GPa	17.4 ksi	ISO 527
Flexural Strength	4.00 MPa	580 psi	ISO 178
Flexural Modulus	0.140 GPa	20.3 ksi	ISO 178
Charpy Impact Unnotched	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.200 J/cm² @Temperature -30.0 °C	0.952 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eA
Elmendorf Tear Strength MD	660 g	660 g
Elmendorf Tear Strength TD	816 g	816 g

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm	IEC 60093
Dielectric Constant	2.5 @Frequency 100 Hz	2.5 @Frequency 100 Hz	IEC 60250

Thermal Properties	Metric	English	Comments
Vicat Softening Point	35.0 °C @Load 1.02 kg	95.0 °F @Load 2.25 lb	B/2 120C/H; ASTM D 1525

Optical Properties	Metric	English	Comments
Refractive Index	1.565	1.565	Sodium D Line; ISO 489
Haze	5.0 %	5.0 %	ASTM D 1003
Transmission, Visible	80 % @Wavelength 550 nm	80 % @Wavelength 550 nm	ASTM D1003

Processing Properties	Metric	English	Comments
Melt Temperature	170 - 240 °C	338 - 464 °F	ISO 294
Mold Temperature	30.0 - 50.0 °C	86.0 - 122 °F	ISO 294

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PSTYR9881 / 216108

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