ExxonMobil Santoprene® 243-50 Thermoplastic Elastomer (discontinued **)

Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union

Description

Material Notes:
A hard, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It complies with NSF 61 for plumbing applications in contact with potable water and NSF 51 for food processing equipment. 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.Complies with NSF Standard 51: Listed Plastic Materials and Components used in Food Equipment.Complies with NSF Standard 61: Piping System Components for Drinking Water.Recommended for applications requiring excellent flex fatigue 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 52

52

.12 in; ASTM D2240
Tensile Strength, Yield 13.4 MPa

1940 psi

ASTM D638
Elongation at Yield 30 %

30 %

ASTM D638

 

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

Processing
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
Change in Mass in IRM 903 Oil at 257°F for 70 hr 64

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