AASHTO Unsupported Molded Neoprene Bearing Pads
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Also available in 36" and 48" rolls.
Thickness Tolerance:
- 1.25" thick or less = +0.125/-0
Width Tolerance:
- 36" width = +0.25"/-0
- 48" width = +0.5"/-0
Finish: Smooth
| Durometer Hardness Shore A ± 5 |
Thickness (Inches) |
Size (Inches) |
Tensile PSI |
Ultimate Elongation Percent |
Temperature Range |
Estimated Weight Per Linear Foot (1/2" x 36") |
Specification | Store |
|---|---|---|---|---|---|---|---|---|
| 50 050E0979 |
1/4 - 1 | 36x36 48x48 |
2700 | 480 | -40°F to +220°F | 10.15 lb | AASHTO Grade 3 Neoprene | |
| 60 060E0986 |
1/4 - 1 | 36x36 48x48 |
2650 | 380 | -40°F to +220°F | 10.31 lb | AASHTO Grade 3 Neoprene | |
| 70 070E0869 |
1/4 - 1 | 36x36 48x48 |
2650 | 320 | -40°F to +220°F | 10.39 lb | AASHTO Grade 2 Neoprene |
Certain states specify requirements other than standard AASHTO specifications. When ordering, identify all requirements or submit individual state specifications. Above meets the Standard Specifications for Highway Bridges, adopted by the American Association of State Highway and Transportation Officials. AASHTO M251 Unsupported Neoprene Bearing Pads are also available.
| ASTM Test Method |
Property | Durometer Hardness 50 Shore A ± 5 50-E-0979 |
Durometer Hardness 60 Shore A ± 5 60-E-0986 |
Durometer Hardness 70 Shore A ± 5 70-E-0869 |
|---|---|---|---|---|
| ASTM D 573 Heat Resistance |
Change in durometer hardness, max. points |
15 | 15 | 15 |
| Change in tensile, max. % |
-15 | -15 | -15 | |
| Change in ultimate elongation, max. % |
-40 | -40 | -40 | |
| ASTM D 395 Compression Set |
22 hours at 212°F, max. % | 35 | 35 | 35 |
| ASTM D 1149 Ozone |
100 pphm ozone in air by volume, 20% strain, 100°F ± 2°F 100 hours mounting procedure D518, Procedure A |
no cracks | no cracks | no cracks |
| ASTM D 746 Low Temperature Brittleness |
Grade 3 at -40°F |
no failure | no failure | no failure |
| ASTM D 1043 Instantaneous Thermal Stiffening |
Grade 3 at -40°F |
Stiffness at test time shall not exceed 4 times the stiffness measured at 73°F |
||
| Low Temperature Crystallization Quad Shear Test |
Grade 3 14 days at -15°F |
Stiffness at test time and temperature shall not exceed 4 times the stiffness measured at 73°F with no time delay |
||
Other AASHTO Bearing Pads Rubber Products
AASHTO Unsupported Calendered Neoprene Bearing Pads
| Polymer: | Neoprene |
|---|---|
| Duro: | 50–70 |
| Thick: | 1/8–1/2 |
| Spec: |
|
AASHTO Unsupported Neoprene Bearing Pads Style 71
| Polymer: | Neoprene |
|---|---|
| Duro: | 50–70 |
| Thick: | 1/4–1 |
| Spec: |
|
AASHTO Unsupported Natural Rubber Bearing Pads Style 72
| Polymer: | Natural Rubber |
|---|---|
| Duro: | 50–70 |
| Thick: | 1/4–1 |
| Spec: |
|
Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named polymer is not necessarily the polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. View complete Terms & conditions of Sale for suitability of use and formulations >
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