Dow Nordel® IP 4725P Dense Extrusion

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Dow Nordel® IP 4725P Dense Extrusion
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Nordel® IP 4725P is a low viscosity semicrystalline grade which offers ease of processing, fast cure rates and high states of cure with standard sulfur cure systems. It is designed for molded and extruded applications requiring low viscosity, high green strength and high finished hardness. It is ideally suited for high hardness extruded profiles and molded goods. It can also be peroxide cured. Information provided by manufacturer.
Key Words:	0640-03-09
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Physical Properties	Original Value	Comments

Density	1.194 g/cc
Mooney Viscosity	24 @Temperature 100 °C	ML 1 + 4

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70	Vulcanizate, Press cured, TC95 +3min at 160°C
Tensile Strength, Ultimate	8.00 MPa	Vulcanizate, Press cured, TC95 +3min at 160°C
Elongation at Break	434 %	Vulcanizate, Press cured, TC95 +3min at 160°C
100% Modulus	0.00310 GPa @Strain 100 %	Vulcanizate, Press cured, TC95 +3min at 160°C
300% Modulus	0.00720 GPa @Strain 300 %	Vulcanizate, Press cured, TC95 +3min at 160°C
Tear Strength	35.9 kN/m	Die C, Vulcanizate, Press cured, TC95 +3min at 160°C
Compression Set	95 % @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	-21.0 °C	Temperature Retraction, TR-10

Descriptive Properties
Formulation as Tested	0.5	TeTDC
	0.8	TMTD
	1	MBT
	1	MBTS
	1	Stearic Acid
	1.5	Sulfur
	100	Nordel® IP 4725P
	100	N-650 Black
	100	N-762 Black
	115	Paraffinic Oil
	2	ZnDBC
	5	Zinc Oxide
	8	Calcium Oxide

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PDVG27 / 34147

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