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Elmet Technologies

Pressure Seal 4705 Chloroprene
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Compound 4705 is a 70 durometer black colored general purpose Neoprene elastomer. It exhibits good resistance to heat and compression set and it will remain non brittle at low temperatures.

This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 3 BC 715 A14 B14 C12 EO14 EO34 F17; 5 BC 715 A14 B14 C12 EO14 EO34 F19; 6 BC 715 A14 B14 C12 EO14 EO34 F17; 2 BE 715 A14 B14 EO14 EO34 F17; 3 BE 715 A14 B14 EO14 EO34 F19
AMS 3209
MIL-R-6855 Class 2a & 2b Grade 70

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 PropertiesMetricEnglishComments
Specific Gravity 1.42 g/cc1.42 g/cc
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 6969
 53
@Treatment Temp. 100 °C,
Time 252000 sec
53
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #3
 68
@Treatment Temp. 100 °C,
Time 252000 sec
68
@Treatment Temp. 212 °F,
Time 70.0 hour
Distilled water aged
 70
@Treatment Temp. 100 °C,
Time 252000 sec
70
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #1
 75
@Treatment Temp. 100 °C,
Time 252000 sec
75
@Treatment Temp. 212 °F,
Time 70.0 hour
Heat Aged
Tensile Strength 12.83 MPa1861 psi
 9.3279 MPa
@Treatment Temp. 100 °C,
Time 252000 sec
1352.9 psi
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #3
 13.38 MPa
@Treatment Temp. 100 °C,
Time 252000 sec
1941 psi
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #1
 13.601 MPa
@Treatment Temp. 100 °C,
Time 252000 sec
1972.7 psi
@Treatment Temp. 212 °F,
Time 70.0 hour
Heat Aged
Elongation, Ultimate 250 %250 %
 188 %
@Treatment Temp. 100 °C,
Time 252000 sec
188 %
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #3
 225 %
@Treatment Temp. 100 °C,
Time 252000 sec
225 %
@Treatment Temp. 212 °F,
Time 70.0 hour
Heat Aged
 225 %
@Treatment Temp. 100 °C,
Time 252000 sec
225 %
@Treatment Temp. 212 °F,
Time 70.0 hour
ASTM Oil #1
100% Modulus 3.64 MPa528 psi
Tear Strength 19.6 kN/m112 pliDie B
Compression Set  9.6 %
@Treatment Temp. 100 °C,
Time 79200 sec
9.6 %
@Treatment Temp. 212 °F,
Time 22.0 hour
Solid
 17.4 %
@Treatment Temp. 100 °C,
Time 252000 sec
17.4 %
@Treatment Temp. 212 °F,
Time 70.0 hour
Solid
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature -55.0 °C-67.0 °F
Shrinkage  -4.70 %
@Treatment Temp. 100 °C,
Time 252000 sec
-4.70 %
@Treatment Temp. 212 °F,
Time 70.0 hour
Volume, ASTM Oil #1
 8.1 %
@Treatment Temp. 100 °C,
Time 252000 sec
8.1 %
@Treatment Temp. 212 °F,
Time 70.0 hour
Volume, Distilled water aged
 43.1 %
@Treatment Temp. 100 °C,
Time 252000 sec
43.1 %
@Treatment Temp. 212 °F,
Time 70.0 hour
Volume, ASTM Oil #3
 
Descriptive Properties
ColorBlack

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PPRESL073 / 318283

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