AASHTO Unsupported Calendered Neoprene Bearing Pads
AASHTO Unsupported Calendered Neoprene Bearing Pads are also available in 36″ x 36″ and 48″ x 48″ molded slabs.
– Thickness Tolerance: 1.25″ thick or less = +0.125/-0
– Width Tolerance: 36″ width = +0.25″/-0 , 48″ width = +0.5″/-0
Made in the USA.
Samples available upon request.
| Temperature Range: | -40°F to +220°F |
| Durometer (Shore A ± 5): | 50 to 70 |
| Tensile: | 2250 psi |
| Elongation Range: | 300% to 440% |
| Finishes Available: | Smooth |
| Talc: | Talc Present |
| Specification: | AASHTO Grade 3 |
| Compound Number(s) | Part Number(s) | |||
|---|---|---|---|---|
| 050E0052 | 0046230518 | 0046259672 | 0046262552 | 0046262553 |
| 0046262554 | 0046262555 | 0046262556 | 0046262557 | |
| 060E0054 | 0046230554 | 0046242925 | 0046253529 | 0046258424 |
| 0046262558 | 0046262559 | 0046262560 | 0046262561 | |
| 070E0056 | 0046262562 | 0046262563 | 0046262564 | 0046262565 |
| 0046262566 | 0046262567 | 0046262568 | 0046262569 | |
We comply with the Buy American Act requirements.
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-0052 |
Durometer Hardness 60 (Shore A ± 5) 60-E-0054 |
Durometer Hardness 70 (Shore A ± 5) 70-E-0056 |
|---|---|---|---|---|
| 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 |
||
Compound Numbers: 050E0052(50E52), 060E0054(60E54), 070E0056(70E56)
Unsure on how to read our compound number? Read the page, “How to Read a Compound Number”.
Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary 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. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control. The specification listed here, AASHTO, stands for the American Association of State Highway and Transportation Officials which represents highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico through all five transportation modes: air, highways, public transportation, rail, and water. Their website can be found here: https://www.transportation.org/. The specification listed here, ASTM, stands for the American Society for Testing and Materials which is the developer and provider of voluntary consensus standards, related technical information, and services. Their website can be found here: https://www.astm.org/.
View complete Terms & Conditions of Sale for suitability of use and formulations
