| 摘要 |
A belt extends a plurality of rollers, and bears thereon an image formed by an image forming device or a transfer material onto which the image is transferred. The belt satisfies the following relationship: 1.5<=epsilon<SUB>break</SUB>/epsilon<SUB>max</SUB><=10, wherein epsilon<SUB>max </SUB>represents the strain at the time of applying to the belt a maximum stress value obtained from a stress-strain curve measured in accordance with JIS K7161, and epsilon<SUB>break </SUB>represents the strain at a breaking point of the belt.
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