INEOS Styrolution Styroflex® 2G66 SBC

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INEOS Styrolution Styroflex® 2G66 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. 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, which is a joint venture between BASF and INEOS
Key Words:	2G 66
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Physical Properties	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	84	ISO 868
Hardness, Shore D	34	ISO 868
Tensile Strength, Yield	4.00 MPa	ISO 527
Elongation at Break	>= 500 %	Nominal; ISO 527
	>= 500 %	ISO 527
Elongation at Yield	5.0 %	ISO 527
Tensile Modulus	120 MPa	ISO 527
Flexural Strength	4.00 MPa	ISO 178
Flexural Modulus	140 MPa	ISO 178
Izod Impact, Notched	NB	ASTM D256
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	2.00 kJ/m² @Temperature -30.0 °C	ISO 179/1eA
	NB @Temperature 23.0 °C	ISO 179/1eA
Elmendorf Tear Strength MD	660 g
Elmendorf Tear Strength TD	816 g

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	IEC 60093
Dielectric Constant	2.5	IEC 60250
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
Vicat Softening Point	35.0 °C @Load 1.02 kg	B/1 120C/H; ASTM D1525

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

Processing Properties	Original Value	Comments
Melt Temperature	170 - 240 °C	ISO 294
Mold Temperature	30.0 - 50.0 °C	ISO 294

Descriptive Properties
Color	Crystal Clear
Commercial Status	Europe
Gas Permeability	27.2 ml/m²XdXbar	0% RH, d=50 µm, DIN 53380
Primary Processing Technique	Injection Molding and Extrusion
Tear Propagation Resistance	650 cN	d=50 µm, longitudinal
	800 cN	d=50 µm, transversal
Transparency	0.8	d=2mm, DIN 5036-3

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PBASG0634 / 132267

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