Pressure Seal 203-50 Santoprene Rubber

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Pressure Seal 203-50 Santoprene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	0.940 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore D	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	50	ASTM D2240
	51	ASTM D2240
	52	ASTM D2240
	53	ASTM D2240
	54	ASTM D2240
	55	ASTM D2240
	60	ASTM D2240
	50 @Time 5.00 sec	ASTM D2240
Tensile Strength	3899 psi	Unaged Control; ASTM D638
	4000 psi	Die C; ASTM D412
	1627 psi @Temperature 150 °C, Time 2.59e+6 sec	ASTM D638
	2561 psi @Temperature 150 °C, Time 1.30e+6 sec	ASTM D638
	3290 psi @Temperature 150 °C, Time 605000 sec	ASTM D638
	3520 psi @Temperature 150 °C, Time 86400 sec	ASTM D638
	3569 psi @Temperature 125 °C, Time 2.59e+6 sec	ASTM D638
	3756 psi @Temperature 100 °C, Time 86400 sec	ASTM D638
	3758 psi @Temperature 125 °C, Time 86400 sec	ASTM D638
	3759 psi @Temperature 125 °C, Time 3.60e+6 sec	ASTM D638
	3801 psi @Temperature 125 °C, Time 605000 sec	ASTM D638
	3886 psi @Temperature 125 °C, Time 1.30e+6 sec	ASTM D638
	3886 psi @Temperature 100 °C, Time 1.30e+6 sec	ASTM D638
	3903 psi @Temperature 100 °C, Time 605000 sec	ASTM D638
	3913 psi @Temperature 100 °C, Time 2.59e+6 sec	ASTM D638
	3921 psi @Temperature 100 °C, Time 3.60e+6 sec	ASTM D638
Elongation at Break	616 %	Unaged Control; ASTM D638
	61 % @Temperature 150 °C, Time 2.59e+6 sec	ASTM D638
	289 % @Temperature 150 °C, Time 1.30e+6 sec	ASTM D638
	427 % @Temperature 150 °C, Time 605000 sec	ASTM D638
	470 % @Temperature 150 °C, Time 86400 sec	ASTM D638
	519 % @Temperature 125 °C, Time 2.59e+6 sec	ASTM D638
	546 % @Temperature 125 °C, Time 3.60e+6 sec	ASTM D638
	557 % @Temperature 125 °C, Time 86400 sec	ASTM D638
	557 % @Temperature 125 °C, Time 605000 sec	ASTM D638
	572 % @Temperature 125 °C, Time 1.30e+6 sec	ASTM D638
	597 % @Temperature 100 °C, Time 86400 sec	ASTM D638
	609 % @Temperature 100 °C, Time 3.60e+6 sec	ASTM D638
	610 % @Temperature 100 °C, Time 2.59e+6 sec	ASTM D638
	613 % @Temperature 100 °C, Time 605000 sec	ASTM D638
	622 % @Temperature 100 °C, Time 1.30e+6 sec	ASTM D638
Elongation, Ultimate	600 %	ASTM D412
Tensile Modulus	32.7 MPa @Temperature 125 °C	Young's modulus; ASTM D797.89
	50.2 MPa @Temperature 100 °C	Young's modulus; ASTM D797.89
	235 MPa @Temperature 23.0 °C	Young's modulus; ASTM D797.89
100% Modulus	1450 psi	ASTM D412
	1562 psi	Unaged Control; ASTM D638
	1664 psi @Temperature 100 °C, Time 86400 sec	ASTM D638
	1669 psi @Temperature 100 °C, Time 605000 sec	ASTM D638
	1752 psi @Temperature 100 °C, Time 1.30e+6 sec	ASTM D638
	1763 psi @Temperature 100 °C, Time 2.59e+6 sec	ASTM D638
	1769 psi @Temperature 125 °C, Time 86400 sec	ASTM D638
	1771 psi @Temperature 100 °C, Time 3.60e+6 sec	ASTM D638
	1834 psi @Temperature 125 °C, Time 605000 sec	ASTM D638
	1871 psi @Temperature 125 °C, Time 1.30e+6 sec	ASTM D638
	1881 psi @Temperature 125 °C, Time 2.59e+6 sec	ASTM D638
	1891 psi @Temperature 150 °C, Time 86400 sec	ASTM D638
	1925 psi @Temperature 125 °C, Time 3.60e+6 sec	ASTM D638
	1968 psi @Temperature 150 °C, Time 605000 sec	ASTM D638
	1983 psi @Temperature 150 °C, Time 1.30e+6 sec	ASTM D638
Flexural Modulus	347 MPa	0.5 in/min. Secant modulus, 1%; ASTM D 790
Tear Strength	364 pli @Temperature 100 °C	ASTM D624
	514 pli @Temperature 25.0 °C	ASTM D624

Thermal Properties	Original Value	Comments
Brittleness Temperature	-29.0 °F	ASTM D746
Shrinkage	24 %	100
	24 %	125
	24 %	150
	168 %	150
	168 %	125
	168 %	100
	360 %	100
	360 %	125
	360 %	150
	720 %	150
	720 %	125
	720 %	100
	1000 %	100
	1000 %	125
	1000 %	150

Descriptive Properties
Tension Set	0.61	ASTM D412

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PPRESL265 / 318475

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