Product Description

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.

Key Aspects

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)
050E00520046230518004625967200462625520046262553
0046262554004626255500462625560046262557
060E00540046230554004624292500462535290046258424
0046262558004626255900462625600046262561
070E00560046262562004626256300462625640046262565
0046262566004626256700462625680046262569

We comply with the Buy American Act requirements.

Advanced Technical Details

Durometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
TensileUltimate
Elongation
Temperature
Range
Estimated Weight
Per Linear Foot
(1/8″ x 36″)
SpecificationSpecification
Sheets
50
050E0052
1/8 – 1/236, 482550 psi440%-40°F to +220°F2.54 lbAASHTO Grade 3 NeopreneAvailable
Upon Request
60
060E0054
1/8 – 1/236, 482250 psi350%-40°F to +220°F2.56 lbAASHTO Grade 3 Neoprene
70
070E0056
1/8 – 1/236, 482250 psi300%-40°F to +220°F2.60 lbAASHTO 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
PropertyDurometer 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
151515
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. %353535
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 cracksno cracksno cracks
ASTM D 746
Low Temperature
Brittleness
Grade 3
at -40°F
no failureno failureno 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

Other AASHTO Bearing Pads Rubber Products

AASHTO Unsupported Molded Neoprene Bearing Pads

  • Polymer: Neoprene
  • Durometer: 50 to 70
  • Temperature Range: -40°F to +220°F
  • Specs: AASHTO Grade 3 & Grade 2