Chinese Standard: GB/T 9858-2009

Method for determining the folding endurance of photographic film and film base

全国感光材料标准化技术委员会(SAC/TC 102)

本标准规定了片基与胶片耐折度测定（MIT耐折仪方法）的原理、仪器和试验步骤。
本标准主要适用于三醋酸纤维素酯片基或聚酯片基以及以这些片基为支持体的感光胶片（带背层或不带背层、加工过或未加工过）的耐折度测定。

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