GEHR Plastics PP Polypropylene, Natural

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GEHR Plastics PP Polypropylene, Natural
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Polypropylene shows a high mechanical strength and a tensile strength, but a low notched impact strength. PP resists stress cracking and it is easy to weld. The chemical and electrical properties are very good. The continuous operating temperatures range between 5°C and 100°C. Properties low density high heat resistance high tensile strength high surface strength high chemical resistance low oxidation resistance low abrasion resistance brittle in the coldness HF-welding not possible natural color is not weather resistant Applications pumps valves gaskets supporting stands spacer for the plating particles for toys
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Physical Properties	Metric	English	Comments

Specific Gravity	0.900 g/cc	0.900 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.010 %	0.010 %	ISO 62
Water Absorption at Saturation	0.20 %	0.20 %	ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	76	76	ISO 868
Tensile Strength, Yield	36.0 MPa	5220 psi	ISO 527
Elongation at Break	>= 70 %	>= 70 %	ISO 527
Elongation at Yield	9.0 %	9.0 %	ISO 527
Modulus of Elasticity	1.725 GPa	250.2 ksi	ISO 527
Charpy Impact Unnotched	NB	NB	ISO 179
Charpy Impact, Notched	0.900 J/cm²	4.28 ft-lb/in²	ISO 179

Electrical Properties	Metric	English	Comments
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm	IEC 60093
Dielectric Strength	40.0 kV/mm	1020 kV/in	IEC 60243-1

Thermal Properties	Metric	English	Comments
CTE, linear	150 µm/m-°C	83.3 µin/in-°F	ISO 11359
Melting Point	165 °C	329 °F	DIN EN ISO 3146
Maximum Service Temperature, Air	100 °C	212 °F	UL 746B
Deflection Temperature at 0.46 MPa (66 psi)	90.0 °C	194 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	54.0 °C	129 °F	ISO 75
Vicat Softening Point	90.0 °C	194 °F	VST/B/50; ISO 306
	150 °C	302 °F	VST/A/50; ISO 306
Minimum Service Temperature, Air	5.00 °C	41.0 °F	UL 746B
Glass Transition Temp, Tg	10.0 °C	50.0 °F	DIN EN ISO 3146
Flammability, UL94	HB	HB	UL 94
Oxygen Index	18 %	18 %	ASTM D2863

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	Physiological indifference

Descriptive Properties
Acid Resistance	yes
Aromatic Resistance	no
Bondability	yes
Color	Natural
Hydrocarbonate Resistance	yes
Hydroxide Resistance	yes
Ketone Resistance	yes
Physiological indifference	yes, EEC
Resistance Against Hot Water	yes

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PGEHR005a / 192465

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