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Seals Eastern 7284 Butyl and Halobutyl Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Seals Eastern, Inc
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Seals Eastern 7284 Butyl and Halobutyl Rubber.pdf
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Material Notes:
Chlorobutyl; High damping; Non-conductiveInformation provided by Seals Eastern, Inc.
Physical Properties Metric English Comments
Specific Gravity 1.24 g/cc
1.24 g/cc
ASTM D297, 15
Mechanical Properties Metric English Comments
Hardness, Shore A >= 65
>= 65
ASTM D2240, Type A
75
75
AVG; ASTM D2240, Type A
82

@Temperature 100 °C,
Time 252000 sec
 82

@Temperature 212 °F,
Time 70.0 hour
 After Dry Heat Aging; ASTM D865
Tensile Strength at Break >= 5.87 MPa
>= 852 psi
ASTM D412 Method A
8.62 MPa
1250 psi
AVG; ASTM D412 Method A
8.867 MPa

@Temperature 100 °C,
Time 605000 sec
 1286 psi

@Temperature 212 °F,
Time 168 hour
 After Dry Heat Aging; ASTM D865
Tensile Strength, Yield >= 0.958 MPa
>= 139 psi
Stress at Elongation M50; ASTM D412 Method A
1.10 MPa
160 psi
AVG Stress at Elongation M25; ASTM D412 Method A
>= 1.28 MPa
>= 186 psi
Stress at Elongation M100; ASTM D412 Method A
1.80 MPa
261 psi
AVG Stress at Elongation M50; ASTM D412 Method A
2.70 MPa
391 psi
AVG Stress at Elongation M100; ASTM D412 Method A
Elongation at Break >= 289 %
>= 289 %
ASTM D412 Method A
490 %
490 %
AVG; ASTM D412 Method A
166.6 %

@Temperature 100 °C,
Time 605000 sec
 166.6 %

@Temperature 212 °F,
Time 168 hour
 After Dry Heat Aging; ASTM D865
Modulus of Elasticity 0.00889 GPa
1.29 ksi
ASTM D412 Method A
Shear Modulus 0.00296 GPa
0.430 ksi
ASTM D412 Method A
Secant Modulus 0.008363 GPa
1.213 ksi
ASTM D412 Method A
Tear Strength Test 186
186
(psi); ASTM D624, Die B
Compression Set 63 %

@Temperature 100 °C,
Time 252000 sec
 63 %

@Temperature 212 °F,
Time 70.0 hour
 ASTM D395, Test B
Thermal Properties Metric English Comments
Glass Transition Temp, Tg -72.8 °C
-99.0 °F
ASTM D1329
Descriptive Properties Value Comments
Strain Energy / Unit Volume at 20% Elongation (psi) 27
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