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Elmet Technologies

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Pressure Seal 23811 Ethylene Propylene
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes: Compound 23811 is an 80 durometer black colored EPDM elastomer, it is formulated for use with acids and alkalis with the exception of concentrated Nitric and Sulfuric acid. It exhibits excellent resistance to heat, compression set and automotive brake fluid. It will remain non brittle at very low temperatures. It also demonstrates excellent weathering and steam properties. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 815 A13 C12 F17 EA14; 2 BA 815 C12 F17; 4 BA 815 A14 C12 F17; 7 BA 810 C12; 6 CA 810 A25 B35 C32 F17 EA14; 7 CA 815 A25 B35 C32 F17 F18 EA14; 8 CA 815 A25 B35 C32 F19 G11 G21; 2 DA 815 A26 B36 C32 F19 G11 G21 EA14; 3 DA 815 A26 B36 C32 F19 G11 G21 EA14

Information provided by Pressure Seals Inc.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.11 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 81
 70
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methanol
 71
@Treatment Temp. 23.0 °C,
Time 252000 sec		Hydrochloric Acid
 76
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methyl Ethyl Ketone
 79
@Treatment Temp. 120 °C,
Time 252000 sec		SAE Compatibility Fluid
 80
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #3 Brake Fluid
 80
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #5 Brake Fluid
 80
@Treatment Temp. 23.0 °C,
Time 252000 sec		Nitric Acid
 81
@Treatment Temp. 23.0 °C,
Time 252000 sec		Sodium Hydroxide
 81
@Treatment Temp. 100 °C,
Time 252000 sec		Distilled water aged
 83
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged, Test Tube Method
 83
@Treatment Temp. 70.0 °C,
Time 252000 sec		Heat Aged
 83
@Treatment Temp. 100 °C,
Time 252000 sec		Heat Aged
 83
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged
 84
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged
 84
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged, Test Tube Method
Tensile Strength 2019 psi
 1617.2 psi
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methyl Ethyl Ketone
 1835.2 psi
@Treatment Temp. 23.0 °C,
Time 252000 sec		Nitric Acid
 1839.3 psi
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #3 Brake Fluid
 1859.5 psi
@Treatment Temp. 23.0 °C,
Time 252000 sec		Sodium Hydroxide
 1879.7 psi
@Treatment Temp. 120 °C,
Time 252000 sec		SAE Compatibility Fluid
 1897.9 psi
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged, Test Tube Method
 1897.9 psi
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged
 1918 psi
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methanol
 1928.1 psi
@Treatment Temp. 100 °C,
Time 252000 sec		Distilled water aged
 1944.3 psi
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #5 Brake Fluid
 1978.6 psi
@Treatment Temp. 100 °C,
Time 252000 sec		Heat Aged
 2053.3 psi
@Treatment Temp. 70.0 °C,
Time 252000 sec		Heat Aged
 2073.5 psi
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged
 2073.5 psi
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged, Test Tube Method
 2140.1 psi
@Treatment Temp. 23.0 °C,
Time 252000 sec		Hydrochloric Acid
Elongation, Ultimate 221 %
 170.9 %
@Treatment Temp. 120 °C,
Time 252000 sec		SAE Compatibility Fluid
 194.1 %
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged
 194.1 %
@Treatment Temp. 125 °C,
Time 252000 sec		Heat Aged, Test Tube Method
 196.9 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Sodium Hydroxide
 204 %
@Treatment Temp. 100 °C,
Time 252000 sec		Heat Aged
 208 %
@Treatment Temp. 70.0 °C,
Time 252000 sec		Heat Aged
 208 %
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #3 Brake Fluid
 208 %
@Treatment Temp. 120 °C,
Time 252000 sec		DOT #5 Brake Fluid
 211.9 %
@Treatment Temp. 100 °C,
Time 252000 sec		Distilled water aged
 211.9 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methanol
 215 %
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged
 215 %
@Treatment Temp. 150 °C,
Time 252000 sec		Heat Aged, Test Tube Method
 225 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Hydrochloric Acid
 230.1 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Nitric Acid
 259.9 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Methyl Ethyl Ketone
100% Modulus 875 psi
Tear Strength 162 pliDie B
 181 pliDie C
Compression Set 5.5 %
@Treatment Temp. 125 °C,
Time 79200 sec		Solid
 6.4 %
@Treatment Temp. 70.0 °C,
Time 79200 sec		Solid
 7.0 %
@Treatment Temp. 100 °C,
Time 252000 sec		Solid
 8.1 %
@Treatment Temp. 70.0 °C,
Time 79200 sec		Plied
 8.4 %
@Treatment Temp. 100 °C,
Time 79200 sec		Solid
 9.9 %
@Treatment Temp. 100 °C,
Time 252000 sec		Plied
 10.2 %
@Treatment Temp. 100 °C,
Time 79200 sec		Plied
 11 %
@Treatment Temp. 125 °C,
Time 79200 sec		Plied
 14.3 %
@Treatment Temp. 150 °C,
Time 79200 sec		Plied
 
Thermal PropertiesOriginal ValueComments
Brittleness Temperature <= -76.0 °F
Shrinkage 0.10 %
@Treatment Temp. 100 °C,
Time 252000 sec		Volume, Distilled water aged
 0.30 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Volume, Sodium Hydroxide
 0.30 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Volume, Methanol
 1.6 %
@Treatment Temp. 120 °C,
Time 252000 sec		Volume, SAE Compatibility Fluid
 2.1 %
@Treatment Temp. 120 °C,
Time 252000 sec		Volume, DOT #3 Brake Fluid
 3.1 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Volume, Hydrochloric Acid
 3.6 %
@Treatment Temp. 120 °C,
Time 252000 sec		Volume, DOT #5 Brake Fluid
 7.3 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Volume, Nitric Acid
 11.3 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		Volume, Methyl Ethyl Ketone
 
Descriptive Properties
ColorBlack

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PPRESL233 / 318443




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