Seals Eastern 5241 Neoprene / Chloroprene

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Seals Eastern 5241 Neoprene / Chloroprene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	General purpose neoprene Information provided by Seals Eastern, Inc.
Key Words:	Polychloroprene Rubber (CR)
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	>= 42	>= 42	ASTM D2240, Type A
	52	52	AVG; ASTM D2240, Type A
Tensile Strength at Break	>= 10.75 MPa	>= 1559 psi	ASTM D412 Method A
	14.47 MPa	2099 psi	AVG; ASTM D412 Method A
Tensile Stress at Strain	>= 0.572 MPa @Strain 50 %	>= 83.0 psi @Strain 50 %	Minimum; ASTM D412 Method A
	0.586 MPa @Strain 25 %	85.0 psi @Strain 25 %	Average; ASTM D412 Method A
	0.814 MPa @Strain 50 %	118 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 0.917 MPa @Strain 100 %	>= 133 psi @Strain 100 %	Minimum; ASTM D412 Method A
	1.28 MPa @Strain 100 %	186 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 255 %	>= 255 %	ASTM D412 Method A
	485 %	485 %	AVG; ASTM D412 Method A
Modulus of Elasticity	0.00345 GPa	0.501 ksi	ASTM D412 Method A
Poissons Ratio	0.50	0.50	Calculated
Shear Modulus	0.00115 GPa	0.167 ksi	ASTM D412 Method A
Secant Modulus	0.00325 GPa	0.471 ksi	ASTM D412 Method A

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	-40.0 °C	-40.0 °F	ASTM D1329

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	9

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PSEAL46 / 80193

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