Pressure Seal 13766 Isobutylene-Isoprene

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Pressure Seal 13766 Isobutylene-Isoprene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Compound 13766 is a 70 durometer black colored general purpose Butyl elastomer. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 715 A13 EA14 F17; 3 AA 715 B13 B33 EA14 F17; 4 AA 715 A13 B13 B33 EA14 F17; 5 AA 715 A13 B13 B33 EA14 F17; 2 BA 715 F17; 3 BA 715 A14 B13 F17; 4 BA 715 A14 F17; 5 BA 715 F17; 6 BA 715 B13; 8 BA 712 B13 Information provided by Pressure Seals Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	71
	0.00 @Treatment Temp. 100 °C, Time 252000 sec	Distilled water aged
	52 @Treatment Temp. 70.0 °C, Time 605000 sec	Tri-Butyl Phosphate
	67 @Treatment Temp. 100 °C, Time 252000 sec	SAE Phosphate Ester Fluid
	72 @Treatment Temp. 70.0 °C, Time 252000 sec	Heat Aged
	73 @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
	75 @Treatment Temp. 70.0 °C, Time 605000 sec	Heat Aged
Tensile Strength	2090 psi
	1145.3 psi @Treatment Temp. 70.0 °C, Time 605000 sec	Tri-Butyl Phosphate
	1845.5 psi @Treatment Temp. 100 °C, Time 252000 sec	SAE Phosphate Ester Fluid
	2058.65 psi @Treatment Temp. 70.0 °C, Time 605000 sec	Heat Aged
	2090 psi @Treatment Temp. 70.0 °C, Time 252000 sec	Heat Aged
	2094.2 psi @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
Elongation, Ultimate	350 %
	220.1 % @Treatment Temp. 70.0 °C, Time 605000 sec	Tri-Butyl Phosphate
	280 % @Treatment Temp. 100 °C, Time 252000 sec	Heat Aged
	293.6 % @Treatment Temp. 70.0 °C, Time 605000 sec	Heat Aged
	324.1 % @Treatment Temp. 100 °C, Time 252000 sec	SAE Phosphate Ester Fluid
	339.8 % @Treatment Temp. 70.0 °C, Time 252000 sec	Heat Aged
100% Modulus	489 psi
Tear Strength	247 pli	Die B
Compression Set	12.1 % @Treatment Temp. 70.0 °C, Time 79200 sec	Solid
	19.8 % @Treatment Temp. 70.0 °C, Time 79200 sec	Plied
	42.9 % @Treatment Temp. 100 °C, Time 79200 sec	Solid
	71.1 % @Treatment Temp. 100 °C, Time 79200 sec	Plied

Thermal Properties	Original Value	Comments
Brittleness Temperature	-50.0 °F
Shrinkage	1.3 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, Distilled water aged
	4.4 % @Treatment Temp. 100 °C, Time 252000 sec	Volume, SAE Phosphate Ester Fluid
	19.8 % @Treatment Temp. 70.0 °C, Time 605000 sec	Volume, Tri-Butyl Phosphate

Descriptive Properties
Color	Black
TR-10 Temperature	-56.7°C

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