Seals Eastern 4503 Natural Rubber

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Seals Eastern 4503 Natural Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	General purpose Natural Rubber Information provided by Seals Eastern, Inc.
Key Words:	Polyisoprene (NR)
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	>= 60	>= 60	ASTM D2240, Type A
	75	75	AVG; ASTM D2240, Type A
Tensile Strength at Break	>= 8.55 MPa	>= 1240 psi	ASTM D412 Method A
	13.78 MPa	1998 psi	AVG; ASTM D412 Method A
Tensile Stress at Strain	>= 1.13 MPa @Strain 50 %	>= 164 psi @Strain 50 %	Minimum; ASTM D412 Method A
	1.50 MPa @Strain 50 %	217 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 2.10 MPa @Strain 100 %	>= 305 psi @Strain 100 %	Minimum; ASTM D412 Method A
	3.29 MPa @Strain 100 %	477 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 284 %	>= 284 %	ASTM D412 Method A
	325 %	325 %	AVG; ASTM D412 Method A

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	-72.8 °C	-99.0 °F	ASTM D1329

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	15

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PSEAL54 / 80201

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