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Duro |
Duro |
Duro |
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Physical Properties |
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D 2240
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Hardness |
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D
412
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Tensile strength, psi |
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Ultimate elongation, minimum % |
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Heat Resistance |
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70 hour at 158°F |
Change in durometer hardness, maximum points |
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Change in tensile strength, maximum % |
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Change in ultimate elongation, maximum % |
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Compression Set |
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D 395 Method B |
22 hours @ 212°F maximum % |
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Ozone |
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D 1149 |
100 pphm ozone in air by volume, 20% strain 100°F ± 2°F 100 hours mounting procedure D 518, Procedure A |
Cracks |
Cracks |
Cracks |
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Adhesion |
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D 429 B |
Bond made during vulcanization, pounds per inch |
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Low Temperature Test |
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No Failure |
No Failure |
No Failure |
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NOTE: Certain states specify requirements other than standard AASHTO specifications. When ordering, identify all requirements or submit individual state specifications.
Above meet Standard Specifications for Highway Bridges, adopted by the American Association of State Highway & Transportation Officials, Sixteenth Edition, Section 251-92 Level 1 – Elastomeric Bearings.
©1998-2005, The Biltrite Corporation. All rights reserved