HydraPak Seals: Materials > O-Rings

Welcome, Guest
Home > Materials > O-rings

O-rings

Sulfur-Cured EPDM Compound
E-70
Property ASTM Designation ASTM D200 Specification Lab Property
Hardness, Durometer, Shore A   70 +/- 5 71
Tensile, psi (MPa), minimum   2031 (14) 2140 (14.8)
Elongation % maximum   200 310
Specific gravity   - 1.17
Heat Age, 70 hours @ 125° C A25    
Durometer change, points   +10 +4
Tensile strength change, % maxium   -20 -3
Elongation change, % maximum   -40 -16
Compression Set, 22 hours @ 125° C B35    
Original deflection, % maximum   50 42
Resistance to Ozone C32    
ASTM D1171, Method B   Pass Pass
Water resistance, 70 hours @ 100° C EA14    
Volume change %   +/-5 +1.6
Low temperature brittleness F17    
ASTM D2137, Method A, 9.3.2, 3 minutes @ -40° C   Non-brittle Pass
Tear resistance G21    
Method D 624, Die C, minimum kN/m   26 38

Nitrile (BUNA-N) Compound
N-70
Property ASTM Designation ASTM D200 Specification Lab Property
Hardness, Durometer, Shore A   70 +/- 5 70
Tensile, psi (MPa), minimum   2031 (14) 2476 (71)
Elongation % maximum   250 385
Specific gravity   - 1.24
Heat Age, 70 hours @ 100° C      
Durometer change, points   +/- 15 ++1
Tensile strength change, % maxium   +/- 30 +4
Elongation change, % maximum   -50 -16
Compression Set, 22 hours @ 100° C B14    
Original deflection, % maximum   25 (button) 16.7
Water resistance, 70 hours @ 100° C EA14    
Durometer change, points   +/- 10 +2
Volume change, %   +/- 15 +6.2
Fluid A resistance, 70 hours @ 23° C EF11    
Durometer change, points   +/- 10 +1
Tensile strength change, % maxium   -25 -6.3
Elongation change, % maximum   -25 -2.3
Volume change, % maximum   -5/+10 +1.5
Fluid B resistance, 70 hours @ 23° C EF21    
Durometer change, points   0/-30 -7
Tensile strength change, % maxium   -60 -37.8
Elongation change, % maximum   -60 26.2
Volume change, % maximum   0/+40 +21.1
ASTM #1 Oil, 70 hours @ 100° C EO14    
Durometer change, points   -5/+10 +2
Tensile strength change, % maxium   -25 +3.2
Elongation change, % maximum   -45 -12.8
Volume change, % maximum   -10/+5 -3.7
ASTM #3 Oil, 70 hours @ 100° C EO34    
Durometer change, points   -10/+5 -5
Tensile strength change, % maxium   -45 -10
Elongation change, % maximum   -45 -11.4
Volume change, % maximum   0/+25 +7.8
Low temperature brittleness F15    
ASTM D2137, Method A, 9.3.2, 3 minutes @ -40° C   Non-brittle Pass

Nitrile (BUNA-N) Compound
N-90
Property ASTM Designation ASTM D200 Specification Lab Property
Hardness, Durometer, Shore A   90 +/- 5 91
Tensile, psi (MPa), minimum   1450 (10) 2270 (15.7)
Elongation % maximum   100 125
Specific gravity   - 1.38
Heat Age, 70 hours @ 100° C      
Durometer change, points   +/- 15 +4
Tensile strength change, % maxium   +/- 30 -6
Elongation change, % maximum   -50 -22
Compression Set, 22 hours @ 100° C B14    
Original deflection, % maximum   25 (button) 19.8
Water resistance, 70 hours @ 100° C EA14    
Durometer change, points   +/-10 +1
Volume Change, %   +/- 15 +4.4
ASTM 1171   No cracks Pass
Fuel A resistance, 70 hours @ 23° C EF11    
Durometer change, points   +/- 10 0
Tensile change, % maxium   -25 -2.4
Elongation change, % maximum   -25 -3.1
Volume change, %   -5/+10 +0.5
Fluid B resistance, 70 hours @ 23° C EF21    
Durometer change, points   0/-30 -15
Tensile strength change, % maxium   -50 -19.9
Elongation change, % maximum   -60 -37.3
Volume change, % maximum   -5/+10 +0.5
ASTM #1 Oil, 70 hours @ 100° C EO14    
Durometer change, points   -5/+15 +1
Tensile strength change, % maxium   -25 +3.1
Elongation change, % maximum   -45 -16.7
Volume change, % maximum   -10/+5 -1.5
ASTM #3 Oil, 70 hours @ 100° C EO34    
Durometer change, points   -10/+5 -4
Tensile strength change, % maxium   -45 -2
Elongation change, % maximum   -45 -13.2
Volume change, % maximum   0/+25 +11.7
Low temperature brittleness F16    
ASTM D2137, Method A, 9.3.2, 3 minutes @ -35° C   Non-brittle Pass

Silicone Compound
S-70
Property ASTM Designation ASTM D200 Specification Lab Property
Hardness, Durometer, Shore A   70 +/- 5 71
Tensile, psi (MPa), minimum   870 (6) 995 (6.9)
Elongation % maximum   150 175
Specific gravity   - 1.43
Heat Age, 70 hours @ 225° C A19    
Durometer change, points   +10 +4
Tensile strength change, % maxium   -25 -14.3
Elongation change, % maximum   -30 -18.4
Compression Set, 22 hours @ 175° C B37    
Original deflection, % maximum   25 12.4
Compression Set, 70 hours @ 150° C B37    
Original deflection, % maximum     19.4
ASTM #1 Oil, 70 hours @ 150° C EO16    
Durometer change, points   0/-15 -7
Tensile change, % maxium   -20 -2.9
Elongation change, % maximum   -20 0
Volume change, %   0/+10 +6.4
ASTM #3 Oil, 70 hours @ 150° C EO36    
Durometer change, points   -30 -20
Volume change, %   +60 +35
Water resistance, 70 hours @ 100° C EA14    
Durometer change, points   +/-5 -1
Volume change, %   +/-5 +2.5
Low temperature brittleness F19    
ASTM D2137, Method A,
3 minutes @ -55° C		   Non-brittle Pass
3 minutes @ -65° C     Pass
Tear resistance, Die B, ppi (kN/m) G11 51(9) 107(18.8)

Viton® Compound
V-75BR Brown
Property ASTM Designation ASTM D200 Specification Lab Property
Hardness, Durometer, Shore A   75 +/- 5 76
Tensile, psi (MPa), minimum   1450 (10) 1690 (11)
Elongation % maximum   150 185
Specific gravity   - 2.02
Heat Age, 70 hours @ 250° C A1-10    
Durometer change, points   +10 +2
Tensile strength change, % maxium   -25 +5
Elongation change, % maximum   -25 -8
Compression Set, 22 hours @ 200° C B38    
Original deflection, % maximum   15 14.2
Resistance to Ozone C12    
ASTM D1171, Method B   No cracks Pass
Resistance to outdoor aging C20    
ASTM 1171   No cracks Pass
Fuel Age, 70 hours @ 23° C in reference fuel C EF31    
Durometer change, points   +/-5 -1
Tensile change, % maxium   -25 -14
Elongation change, % maximum   -20 -12
Volume change, %   0/+10 +3
Fluid resistance, 70 hours @ 200° C in Stauffer 7700/SAE Fluid No. 2 EO88    
Durometer change, points   -15/+5 -6
Tensile strength change, % maxium   -40 -21
Elongation change, % maximum   -20 -14
Volume change, % maximum   +25 +8
Low temperature brittleness F15    
ASTM D2137, Method A, 9.3.2, 3 minutes @ -25° C   Non-brittle Pass

SIGN IN

Line Item Add