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ExxonMobil Santoprene® 273-50 Thermoplastic Elastomer  (discontinued **)

Category Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Vulcanizate Elastomer (TPV)
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ExxonMobil Santoprene® 273-50 Thermoplastic Elastomer  (discontinued **).pdf
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Material Notes:
A hard, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It complies with FDA regulations for rubber articles intended for repeated use, as well as those in contact with non-fatty, non-oily foods as closures and sealing gaskets. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding, extrusion or blow molding. It is polyolefin based and completely recyclable.Recommended for applications requiring excellent flex fatigue resistance. Recommended for applications requiring excellent ozone resistance.Information provided by Advanced Elastomer Systems
Physical Properties Metric English Comments
Specific Gravity 0.940 g/cc
0.940 g/cc
23°C; ASTM D792
Mechanical Properties Metric English Comments
Hardness, Shore D 50
50
.12 in; ASTM D2240
Tensile Strength, Yield 8.1579 MPa
1183.2 psi
Air at 302°F, 168 hr; ASTM D573
9.2376 MPa
1339.8 psi
257°F, 70 hr, in IRM 903 Oil; ASTM D471
12.0 MPa
1740 psi
ASTM D638
Elongation at Yield 21.9 %
21.9 %
257°F, 70 hr, in IRM 903 Oil; ASTM D471
21.9 %
21.9 %
Air at 302°F, 168 hr; ASTM D573
30 %
30 %
ASTM D638
Tear Strength 87.1 kN/m
497 pli
73°F, Die C; ASTM D624
Compression Set 59 %
59 %
158°F, 22 hr; ASTM D395
74 %
74 %
257°F, 70 hr; ASTM D395
Thermal Properties Metric English Comments
Brittleness Temperature -27.8 °C
-18.0 °F
ASTM D746
Processing Properties Metric English Comments
Processing Temperature 175 - 230 °C
347 - 446 °F
Rear Barrel Temperature 193 °C
380 °F
Middle Barrel Temperature 199 °C
390 °F
Front Barrel Temperature 204 °C
400 °F
Nozzle Temperature 210 - 241 °C
410 - 465 °F
Die Temperature 216 °C
420 °F
Extrusion
Melt Temperature 210 °C
410 °F
Extrusion
216 - 232 °C
420 - 450 °F
Mold Temperature 10.0 - 51.7 °C
50.0 - 125 °F
Processing
Drying Temperature 82.2 °C
180 °F
Dry Time 3 hour
3 hour
Moisture Content 0.080 %
0.080 %
Back Pressure 0.345 - 0.689 MPa
50.0 - 100 psi
Processing
5.00 - 20.0 MPa
725 - 2900 psi
Extrusion
Clamp Pressure 41.4 - 68.9 MPa
6000 - 10000 psi
Vent Depth 0.00254 cm
0.00100 in
Cushion 0.317 - 0.635 cm
0.125 - 0.250 in
Screw Speed 100 - 200 rpm
100 - 200 rpm
Descriptive Properties Value Comments
Color Natural Color
Form Pellets
Injection Rate Fast
Maximum Regrind % 20
Screw Compression Ratio 2:1 - 2.5:1
Screw L/D Ratio 16:1 - 20:1
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