Dow Nordel® IP 4640 General Purpose Compound

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Dow Nordel® IP 4640 General Purpose Compound
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Nordel® IP 4640 is an amorphous EPDM grade designed for molded and extruded applications. It is ideally suited for general-purpose gaskets and moldings, extruded profiles and hoses. The combination of medium viscosity and low crystallinity allows for good balance of processability, low temperature properties and product performance. Information provided by manufacturer.
Key Words:	0822A34-02
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Physical Properties	Original Value	Comments

Density	1.083 g/cc
Mooney Viscosity	46 @Temperature 100 °C	ML 1 + 4

Mechanical Properties	Original Value	Comments
Hardness, Shore A	63	Vulcanizate, Press cured, TC95 +3min at 160°C
Tensile Strength, Ultimate	10.1 MPa	Vulcanizate, Press cured, TC95 +3min at 160°C
Elongation at Break	340 %	Vulcanizate, Press cured, TC95 +3min at 160°C
100% Modulus	0.00330 GPa @Strain 100 %	Vulcanizate, Press cured, TC95 +3min at 160°C
300% Modulus	0.00900 GPa @Strain 300 %	Vulcanizate, Press cured, TC95 +3min at 160°C
Tear Strength	28.1 kN/m	Die C, Vulcanizate, Press cured, TC95 +3min at 160°C
Compression Set	72 % @Temperature 125 °C	Pellets cured MDR TC95 + 15 min at 160°C, 70 hr at 125°C; Method B

Thermal Properties	Original Value	Comments
Brittleness Temperature	-43.0 °C	Temperature Retraction, TR-10

Descriptive Properties
Formulation as Tested	0.5	TMTD
	1	MBT
	1	Stearic Acid
	1.5	Sulfur
	100	Nordel® IP 4640
	2	ZnDBC
	5	Zinc Oxide
	50	Paraffinic Oil
	80	N-550 Black

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PDVG23 / 34143

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