GEHR Plastics PPS-40GF Polyphenylene Sulfide, 40% Glass Fiber

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GEHR Plastics PPS-40GF Polyphenylene Sulfide, 40% Glass Fiber
Categories:	Polymer; Thermoplastic; Polyphenylene Sulfide (PPS); Polyphenylene Sulfide (PPS) with 40% Glass Fiber Filler
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. Properties very high strength and rigidity high hardness high thermostability high dimensional stability very high chemical resistance very good insulating properties high weather resistance high resistance to hydrolysis Applications include components in machine-making, pump parts, fan parts, impellers, parts in the fuel and automotive sector.
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Physical Properties	Original Value	Comments

Specific Gravity	1.65 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.010 %	ISO 62
Water Absorption at Saturation	0.020 %	ISO 62

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	100	ISO 2039
Hardness, Shore D	90	ISO 868
Ball Indentation Hardness	343 MPa	ISO 2039
Tensile Strength at Break	185 MPa	ISO 527
Tensile Strength, Yield	83.0 MPa	ISO 527
Elongation at Break	4.0 %	ISO 527
Modulus of Elasticity	7.63 GPa	ISO 527
Flexural Strength	145 MPa	ISO 178
Charpy Impact Unnotched	26.0 kJ/m²	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	3.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+13 ohm	IEC 60093
Dielectric Constant	4.0 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	28.0 kV/mm	IEC 60243-1
Dielectric Loss Index	0.0040 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	30.0 µm/m-°C	ISO 11359
Thermal Conductivity	0.250 W/m-K @Temperature 20.0 °C	ISO 22007-4
Melting Point	280 °C	DIN EN ISO 3146
Maximum Service Temperature, Air	230 °C	UL 746B
Deflection Temperature at 1.8 MPa (264 psi)	260 °C	ISO 75
Glass Transition Temp, Tg	90.0 °C	DIN EN ISO 3146
Flammability, UL94	V-0	UL 94

Compliance Properties	Original Value	Comments
FDA	Yes	Physiological indifference

Descriptive Properties
Acid Resistance	yes
Aromatic Resistance	limited
Bondability	yes
CKW Resistance	yes
Color	black
Hydrocarbonate Resistance	yes
Hydroxide Resistance	limited
Ketone Resistance	limited
Physiological indifference	yes, EEC
Resistance Against Hot Water	limited
UV Stabilization	limited

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PGEHR036 / 79873

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