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GEHR Plastics PPS Polyphenylene Sulfide

Category Polymer , Thermoplastic , Polyphenylene Sulfide (PPS)
Manufacturer GEHR Plastics Inc
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
The linear polyphenylensulfide belongs to the semi-crystalline materials and offers a very high mechanical capacity, thermal and chemical resistance distinguished at the same time, high dimensional stability, and creep strength. The LOI belongs to the highest of polymers. By the reinforcement with glass polymers strength is achieved, which is comparable with light metal. PPS closes the gap between the technical synthetics and PEEK with its strength and economy.Propertiesvery high strength and rigidityhigh hardnesshigh thermostabilityhigh dimensional stabilityvery high chemical resistancevery good insulating propertieshigh weather resistancehigh resistance to hydrolysisApplications include components in machine-making, pump parts, fan parts, impellers, parts in the fuel and automotive sector.
Physical Properties Metric English Comments
Specific Gravity 1.35 g/cc
1.35 g/cc
ISO 1183
Water Absorption 0.020 %
0.020 %
ISO 62
Mechanical Properties Metric English Comments
Hardness, Rockwell M 95
95
Tensile Strength at Break 72.0 MPa
10400 psi
ISO 527
Tensile Strength, Yield 88.0 MPa
12800 psi
ISO 527
Elongation at Break 21 %
21 %
ISO 527
Elongation at Yield 3.4 %
3.4 %
ISO 527
Modulus of Elasticity 4.15 GPa
602 ksi
ISO 527
Flexural Strength 141 MPa
20500 psi
3.5%; ISO 178
Charpy Impact Unnotched >= 25.0 J/cm²
>= 119 ft-lb/in²
ISO 179
Coefficient of Friction 0.40
0.40
DIN 53375
Thermal Properties Metric English Comments
CTE, linear 53.0 µm/m-°C

@Temperature 20.0 °C
29.4 µin/in-°F

@Temperature 68.0 °F
DIN 53752
Thermal Conductivity 0.250 W/m-K
1.74 BTU-in/hr-ft²-°F
DIN 52612
Maximum Service Temperature, Air 150 °C
302 °F
Deflection Temperature at 1.8 MPa (264 psi) 115 °C
239 °F
ISO 75
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+11 ohm-cm
>= 1.00e+11 ohm-cm
VDE 0303
Surface Resistivity per Square >= 1.00e+15 ohm
>= 1.00e+15 ohm
VDE 0303
Dielectric Constant 3.2

@Frequency 1.00e+6 Hz
3.2

@Frequency 1.00e+6 Hz
DIN 53483
Dielectric Strength 18.0 kV/mm
457 kV/in
VDE 0303
Comparative Tracking Index 125 V
125 V
CTI; IEC 60112
Descriptive Properties Value Comments
Acid Resistance yes
Aromatic Resistance limited
Bondability yes
CKW Resistance yes
Color Natural
Hydrocarbonate Resistance yes
Hydroxide Resistance limited
Ketone Resistance yes
Physiological indifference according yes
Resistance Against Hot Water yes
UV Stabilization yes
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