Material Properties_E458 (EPDM)x - Simrit

Material Properties:
E458 (EPDM)
Specification: NAS 1613 Revision 2
Original Properties Specification E458 Slabs
Hardness, Shore A, ASTM D2240 80 ± 5 82
Tensile Strength, psi, ASTM D412 Die C 1700 min. 3344
Ultimate Elongation, %, ASTM D412 Die C 125 min. 151
Modulus at 100% Elongation, psi, ASTM D412 Die C Report 2153
Specific Gravity, ASTM D297 As determined 1.20
Air Oven Age, ASTM D573, 70 hrs. at 300°F
Hardness change, Shore A, ASTM D2240 +7.5 max. +3
% Tensile Strength change, ASTM D412 Die C -25 max. -5
% Elongation change, ASTM D412 Die C -10 max. -7
Skydrol 500B-4 Immersion, ASTM D471, 22 hrs. at 250°F
Hardness change, Shore A, ASTM D2240 -10 min. -5
Tensile Strength, psi, ASTM D412 Die C 1700 min. 3012
Ultimate Elongation, %, ASTM D412 Die C 125 min. 148
% Volume change, ASTM D471 0 to +15 +8.0
Skydrol 500B-4 Immersion, ASTM D471, 70 hrs. at 160°F
Hardness change, Shore A, ASTM D2240 -5 max. -4
Ultimate Elongation, %, ASTM D412 Die C Report 147
% Volume change, ASTM D471 0 to +8 +7.8
Modulus at 100% Elongation, psi, ASTM D412 Die C 800 min. 2046
Modulus at 75% Elongation, psi, ASTM D412 Die C Report 1345
Modulus at 50% Elongation, psi, ASTM D412 Die C Report 691
Modulus at 25% Elongation, psi, ASTM D412 Die C Report 292
Skydrol 500B-4 Immersion, ASTM D471, 70 hrs. at 250°F
Hardness change, Shore A, ASTM D2240 -12 max. -5
Tensile Strength, psi, ASTM D412 Die C 1700 min. 3044
Ultimate Elongation, %, ASTM D412 Die C 125 min. 150
% Volume change, ASTM D471 0 to +17 +9.9
Skydrol 500B-4, ASTM D471, 334 hrs. at 225°F
Tensile Strength, psi, ASTM D412 Die C 1500 min. 3084
Ultimate Elongation, %, ASTM D412 Die C 125 min. 147
% Volume change, ASTM D471 0 to +17 +7.7
Skydrol 500B-4 Immersion, ASTM D471 670 hrs. at 225°F
Hardness change, Shore A, ASTM D2240 -15 max. -8
% Volume change, ASTM D471 0 to +17 +7.8
© Copyright 2013
The information contained herein is believed to be reliable, but no representation, guarantees or warranties of any kind
are made to its accuracy or suitability for any purpose. The information presented herein is based on laboratory testing
and does not necessarily indicate end product performance. Full scale testing and end product performance are the
responsibility of the user.
www.simrit.com
866-274-6748

Tested on AS568-214 Size O-rings, unless otherwise noted
Original Properties
E458, AS568-214 O-Rings
Hardness, Shore A, ASTM D2240 80 ± 5 84
Tensile strength, psi, ASTM D1414 1400 min. 2775
Ultimate Elongation, %, ASTM D1414 125 min. 151
Modulus at 100% Elongation, psi, ASTM D1414 800 min. 1378
Specific Gravity, ASTM D297 Report 1.19
Low Temperature Retraction, ASTM D1329, 75% Strain
As Received, TR-10 -50°F or colder -67°F
TR-70 -18°F or colder -22°F
Fluid Soaked in Skydrol 500 B-4 for 70 hrs. at 160°F, TR-10, °F -52°F or colder -58°F
Fluid Soaked in Skydrol 500 B-4 for 70 hrs. at 160°F, TR-70, °F -3°F or colder -15°F
Compression Set, ASTM D395 Method B and ASTM D1414
% Permanent Set, AS568-330 size O-rings, 22 hrs. at 250°F 30 max. 4.4
% Permanent Set, AS568-330 size O-rings immersed in Skydrol 500B-4, 22 hrs. at 250°F 20 max. 0.8
% Permanent Set, AS568-330 size O-rings immersed inSkydrol 500B-4, 70 hrs. at 160°F 20 max. 0.8
Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 22 hrs. at 250°F
Hardness change, Shore A, ASTM D2240 -10 max. -1
Tensile strength, psi, ASTM D1414 1350 min. 2532
Ultimate Elongation, %, ASTM D1414 125 min. 159
% Volume change, ASTM D471 0 to +14 +5.2
Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 70 hrs. at 160°F
Hardness change, Shore A, ASTM D2240 -5 max. -1
% Volume change, ASTM D471 0 to +8 +2.5
Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 70 hrs. at 250°F
Hardness change, Shore A, ASTM D2240 -12 max. -3
Tensile strength, psi, ASTM D1414 1300 min. 2635
Ultimate Elongation, %, ASTM D1414 125 min. 148
% Volume change, ASTM D471 0 to +15 +7.0
Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 334 hrs. at 225°F
Tensile strength, psi, ASTM D1414 1200 min. 2473
Ultimate Elongation, %, ASTM D1414 125 min. 148
% Volume change, ASTM D471 0 to +17 +6.5
Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 670 hrs. at 225°F
Hardness change, Shore A, ASTM D2240 -15 max. -3
% Volume change, ASTM D471 0 to +17 +7.8
© Copyright 2013
The information contained herein is believed to be reliable, but no representation, guarantees or warranties of any kind
are made to its accuracy or suitability for any purpose. The information presented herein is based on laboratory testing
and does not necessarily indicate end product performance. Full scale testing and end product performance are the
responsibility of the user.
www.simrit.com
866-274-6748

0.103" Nominal Cross section O-rings, Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 22 hrs. at 250°F
% Volume change, ASTM D471 0 to +15 +8.6
0.103" Nominal Cross section O-rings, Skydrol 500B-4 Immersion, ASTM D471 and ASTM D1414, 70 hrs. at 160°F
% Volume change, ASTM D471 0 to +10 +4.2
Corrosion and Adhesion 92% Relative Humidity, 96 hrs. at 68°F, per NAS-1613 Rev. 2
AS568-214 size O-rings, dry
Aluminum Alloy None Pass
Brass None Pass
Phosphor Bronze None Pass
Steel None Pass
Aluminum Bronze None Pass
AS568-214 size O-rings immersed in Skydrol 500 B-4
Aluminum Alloy None Pass
Brass None Pass
Phosphor Bronze None Pass
Steel None Pass
Aluminum Bronze None Pass
Total Ash Test, ASTM E1131
% Total ash Report 5.1
© Copyright 2013
The information contained herein is believed to be reliable, but no representation, guarantees or warranties of any kind
are made to its accuracy or suitability for any purpose. The information presented herein is based on laboratory testing
and does not necessarily indicate end product performance. Full scale testing and end product performance are the
responsibility of the user.
www.simrit.com
866-274-6748