Evoprene™ Super G 948

About
Evoprene™ Super G compounds are high performance SEBS-based TPE materials. They are formulated with a special resin modifier which increases the size of the end blocks. They are also compounded in a special way to ensure maximum dispersion of the various ingredients. The larger end blocks increase the glass transition temperature (Tg) providing two major practical advantages over regular SEBS-based compounds: improved heat resistance and improved recovery properties. The improved heat resistance raises the service temperature over regular SEBS-based grades by 10-15 deg C (18-25 deg F) and improves injection moulding cycle times by allowing the parts to be demoulded at a higher temperature without distortion. The improved recovery properties, as measured by compression set, provide much better sealing characteristics as explained overleaf. These compounds do need higher processing temperatures for best results.&&

About

Evoprene™ Super G compounds are high performance SEBS-based TPE materials. They are formulated with a special resin modifier which increases the size of the end blocks. They are also compounded in a special way to ensure maximum dispersion of the various ingredients. The larger end blocks increase the glass transition temperature (Tg) providing two major practical advantages over regular SEBS-based compounds: improved heat resistance and improved recovery properties. The improved heat resistance raises the service temperature over regular SEBS-based grades by 10-15 deg C (18-25 deg F) and improves injection moulding cycle times by allowing the parts to be demoulded at a higher temperature without distortion. The improved recovery properties, as measured by compression set, provide much better sealing characteristics as explained overleaf. These compounds do need higher processing temperatures for best results.&&

Product Description
Generic	SEBS
Material Status	Commercial: Active
Features	Good heat aging resistance,Good Dimensional Stability,Steam sterilized,Quick molding cycle,Food contact compliance,Block Copolymer,Radiation disinfection,Ethylene oxide disinfection,Agglomerability
Availabilitys	North America,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.08	g/cm³	ISO 2781
Shrinkage rate	1.2 to 3.5	%

elastic body	Nominal value	Unit	Test method
tensile strength
yield	7.40	MPa	ISO 37
100% strain	1.40	MPa	ISO 37
Tensile strain
fracture	510	%	ISO 37
tear strength	20	kN/m	ISO 34-1
Compression deformation			ISO 815
22℃，72 hr	12	%	ISO 815
70℃，22 hr	18	%	ISO 815
100℃，22 hr	31	%	ISO 815

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	44		ISO 868

Supplementary information	Nominal value	Unit	Test method
M-S Flow	1.47	MPa	Internal Method

Process Conditions
injection	Nominal value	Unit	Test method
Proposed maximum recycled material ratio	20	%
Barrel rear temperature	200 to 220	°C
Barrel middle temperature	200 to 220	°C
Barrel front temperature	200 to 220	°C
Nozzle temperature	200 to 220	°C
Processing (melt) temperature	280	°C
Mold temperature	40 to 60	°C
Injection speed	Moderate
Vent depth	0.020 to 0.050	mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Method Ba, Angle (Unnicked)
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