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PPS Polyphenylene Sulfide
GSF Plastics now produces PPS in compression molded stock shapes. GSF Plastics now molds PPS in virgin, 40% glass, and Bearing Grade compounds. Custom cross sections up to 42” OD. Lengths will be from 4 to 6” depending on the OD of your required billet. Below you will find our material properties charts, contact us today for pricing or additional information.
1307 Properties
Bearing grade PPS
Properties & Average Values of Injection Molded Specimens
| PERMANENCE | English SI | Metric | ASTM |
| TEST | |||
| Specific Gravity | 1.52 | 1.52 | D 792 |
| Molding Shrinkage | |||
| 1/8 in (3.2 mm) section | 0.0015 in/in | 0.15% | D 955 |
| MECHANICAL | |||
| Impact Strength, Izod | |||
| notched 1/8 in (3.2 mm) section | 0.6 ft-lbs/in | 32 J/m | D 256 |
| unnotched 1/8 in (3.2 mm) section | 5.0 ft-lbs/in | 267 J/m | D 4812 |
| Tensile Strength | 17000 psi | 117 MPa | D 638 |
| Tensile Elongation | 1.40% | 1.40% | D 638 |
| Tensile Modulus | 1.80 x 10^6 psi | 12411 MPa | D 638 |
| Flexural Strength | 23000 psi | 159 MPa | D 790 |
| Flexural Modulus | 1.70 x 10^6 psi | 11722 MPa | D 790 |
| ELECTRICAL | |||
| Volume Resistivity | < 1E6 ohm.cm | < 1E6 ohm.cm | D 257 |
1301 Properties
40% glass filled PPS
Properties & Average Values of Injection Molded Specimens
| PERMANENCE | English SI | Metric | ASTM |
| TEST | |||
| Specific Gravity | 1.67 | 1.67 | D 792 |
| Molding Shrinkage | |||
| 1/8 in (3.2 mm) section | 0.0035-0.0075 in/in | .35 - .75% | D 955 |
| MECHANICAL | |||
| Impact Strength, Izod | |||
| notched 1/8 in (3.2 mm) section | 0.2 ft-lbs/in | 13 J/m | D 256 |
| unnotched 1/8 in (3.2 mm) section | 1.4 ft-lbs/in | 75 J/m | D 4812 |
| Tensile Strength | 7500 psi | 52 MPa | D 638 |
| Tensile Elongation | 0.60% | 0.60% | D 638 |
| Tensile Modulus | 1.65 x 10^6 psi | 11377 MPa | D 638 |
| Flexural Strength | 13000 psi | 90MPa | D 790 |
| Flexural Modulus | 1.40 x 10^6 psi | 9653 MPa | D 790 |
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