Product Description

AASHTO Unsupported Molded Neoprene Bearing Pads

AASHTO Unsupported Molded Neoprene Bearing Pads is 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

Made in the USA.

Samples available upon request.

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Key Aspects

Temperature Range: -40°F to +220°F
Durometer Range (Shore A ± 5): 50 to 70
Tensile Range (psi.): 2650 to 2700
Elongation (%): 320 to 480
Finish: Smooth
Talc: Talc Present
Specification: AASHTO Grade 3

We comply with the Buy American Act requirements.

Advanced Technical Details

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
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

Compound Number: 050E0979, 060E0986, 070E0869

Customize This Product To Meet Your Application

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.

View complete Terms & Conditions of Sale for suitability of use and formulations

Other AASHTO Bearing Pads Rubber Products

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

AASHTO Unsupported Neoprene Bearing Pads Style 71

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

AASTHO Unsupported Natural Rubber Bearing Pads Style 72

  • Polymers: SBR, Neoprene, Nitrile
  • Durometer: 50 to 70
  • Temperature Range: -40°F to +160°F
  • Specs: AASHTO Grade 2
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