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Elmet Technologies

AlphaGary Evoprene™ G 940 SEBS Thermoplastic Elastomer  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE

Material Notes: Evoprene™ G compounds are styrene – ethylene butylene –styrene base thermoplastic elastomer with related hydrogenated block copolymers. These polymers are fully saturated so the resistance to oxidation, ozone and general outdoor weathering is excellent.
Processing: compatible with polypropylene for co-molding or co-extrusion
Can be used in food contact applications with the appropriate stabilizer package

Alphagary is part of Orbia.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 0.950 g/cc0.950 g/ccISO 2782
Viscosity Measurement 12
@Temperature 180 °C
12
@Temperature 356 °F
Kg/cm2; Macklow-Smith extrusion rheometer
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8787ISO 868
Hardness, Shore D 3030
Tensile Strength 14.5 MPa2100 psiISO 37
Elongation at Break 640 %640 %ISO 37
100% Modulus 7.80 MPa
@Strain 100 %
1130 psi
@Strain 100 %
ISO 37
Tear Strength 65.0 kN/m371 pliISO 34-B
Compression Set  21 %
@Temperature 22.0 °C,
Time 259000 sec
21 %
@Temperature 71.6 °F,
Time 72.0 hour
ISO 815
 79 %
@Temperature 100 °C,
Time 79200 sec
79 %
@Temperature 212 °F,
Time 22.0 hour
ISO 815
 81 %
@Temperature 70.0 °C,
Time 79200 sec
81 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cm
Dielectric Strength 24.0 - 28.0 kV/mm610 - 711 kV/in
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 110 - 120 °C230 - 248 °F
Minimum Service Temperature, Air -60.0 - -40.0 °C-76.0 - -40.0 °F
 
Descriptive Properties
Bonds withPolypropylene
Chemical ResistanceAcetoneModerate/Good
 Acids up to 80%Excellent
 AlcoholExcellent
 AlkalisExcellent
 Brake fluidGood
 Chlorinate solventsPoor
 DieselPoor
 Ethylene glycolExcellent
 GasolinePoor
 Salt solutionExcellent
 Soda lyeExcellent
 Water, 23°CExcellent
 Water, 95°CGood
TransparencyTranslucent

**
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