The bending lengths of 25 fabrics, coated with several types of rubber, were found to follow Arrhenius-type relationships from —40°C. to + 140°C. Each fabric had its own activation energy of bending which, for single-ply fabrics, was related to the thickness of the fabric and the thickness of the coating. Differences in behaviour associated with the nature of the coating were more readily distinguishable at low temperatures.
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