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Rubbers used in conveyor belt transport undergo an aging caused by the aggressive character of external environment during their operation. The main changes of conveyor belts due to the aging process appear firs tly on their surface being in an immediate contact with the cargo transported and/or with an ambient air. Chemical changes caused by the aging are reflected in changes of physical properties of belt components such as network density, glass transition temperature Tg and other. Determination of physical pro...