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Styrolution Styroflex® 2G 66 SBC

Category Polymer , Thermoplastic , Styrene-Butadiene , Styrene-Butadiene Copolymer, SBC
Manufacturer Styrolution
Trade Name Styroflex®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Styrolution Styroflex® 2G 66 SBC.pdf
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Material Notes:
Description: Styroflex® 2G 66 is a styrene-butadiene block copolymer (SBC) with the properties of a thermoplastic elastomer (S-TPE). Styroflex® 2G 66 is the only S-TPE with a styrene content of at least 60 % styrene and a rubber fraction of at least 70 %. Characteristic properties of Styroflex® 2G 66 are therefore: high transparency, excellent thermostability, very high elongation at break and high resilience. Styroflex® 2G 66 is more polar than comparable SBS or SEBS grades and offers a good printability.Applications: Styroflex® 2G 66 is a very versatile material, suitable for a variety of applications: In multilayer (coextruded with PE-EVA), thin-gauge film for the supporting layer, Styroflex® 2G 66 is used e.g. for packaging fresh meat. Styroflex® 2G 66 is also used for the modification of styrenic polymers; e.g. blended with high impact polystyrene it improves the toughness and the stress cracking resistance (ESCR) significantly. Styroflex® 2G 66 is also suited for two-component injection molding, especially with polystyrene, to which it has excellent adhesion. Styroflex® 2G 66 and compounds based on Styroflex® may be used for conventional injection molding (eg. of toys) and the extrusion of profiles, flexible tubing and soft foams.Information provided by STYROLUTION, which is a joint venture between BASF and INEOS
Physical Properties Metric English Comments
Density 1.002 g/cc
0.03620 lb/in³
ISO 1183
Water Absorption <= 0.070 %
<= 0.070 %
ISO 62
Moisture Absorption at Equilibrium <= 0.070 %
<= 0.070 %
23°C/50% RH; ISO 62
Melt Flow 3.006 g/10 min

@Load 2.16 kg,
Temperature 190 °C
3.006 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ISO 1133
13.026 g/10 min

@Load 5.00 kg,
Temperature 200 °C
13.026 g/10 min

@Load 11.0 lb,
Temperature 392 °F
ISO 1133
14.028 g/10 min

@Load 2.16 kg,
Temperature 230 °C
14.028 g/10 min

@Load 4.76 lb,
Temperature 446 °F
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
50 mm/min; ISO 527-1/-2
Elongation at Break >= 300 %
>= 300 %
Nominal, 50mm/min; ISO 527-1/-2
Elongation at Yield 5.0 %
5.0 %
50 mm/min; ISO 527-1/-2
Tensile Modulus 0.120 GPa
17.4 ksi
ISO 527-1/-2
Flexural Strength 4.00 MPa
580 psi
ISO 178
Izod Impact, Notched NB
NB
ASTM D256
Izod Impact, Notched (ISO) 2.00 kJ/m²

@Temperature -30.0 °C
0.952 ft-lb/in²

@Temperature -22.0 °F
ISO 180/A
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 180/A
Charpy Impact Unnotched <= NB

@Temperature -30.0 °C
<= NB

@Temperature -22.0 °F
ISO 179/1eU
<= NB

@Temperature 23.0 °C
<= NB

@Temperature 73.4 °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
Dart Drop Test >= 1000 g
>= 2.20 lb
Method B; ASTM D1709
Thermal Properties Metric English Comments
Vicat Softening Point 35.0 °C
95.0 °F
VST/A/120; ISO 306
Flammability, UL94 HB

@Thickness 1.60 mm
HB

@Thickness 0.0630 in
IEC 60695-11-10
HB

@Thickness 3.20 mm
HB

@Thickness 0.126 in
IEC 60695-11-10
Optical Properties Metric English Comments
Haze 5.0 %
5.0 %
DIN 5036-3
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+13 ohm-cm
>= 1.00e+13 ohm-cm
IEC 60093
Surface Resistance 1.00e+15 ohm
1.00e+15 ohm
IEC 60093
Dielectric Constant 2.5

@Frequency 1.00e+6 Hz
2.5

@Frequency 1.00e+6 Hz
IEC 60250
2.5

@Frequency 100 Hz
2.5

@Frequency 100 Hz
IEC 60250
Dielectric Strength 120 kV/mm
3050 kV/in
K20/P50; IEC 60243-1
Processing Properties Metric English Comments
Melt Temperature 170 - 190 °C
338 - 374 °F
Film extrusion
170 - 240 °C
338 - 464 °F
Flat film extrusion
190 - 220 °C
374 - 428 °F
Injection molding
Mold Temperature 30.0 - 50.0 °C
86.0 - 122 °F
Injection Molding
Descriptive Properties Value Comments
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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