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Flex Properties |
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In solid flexible materials, resistance to cracking is inversely proportional to thickness due to the high stress at the point of strain. The toughness of polyurethane elastomers enables thin cross sections to be utilized, thus reducing any tendency to produce flex cracks. Flexible hoses and couplings made of polyurethane elastomers have undergone tests well beyond conditions met in practical applications before any signs of flex failure were encountered. |
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