Study of the Local and Imported Rubber Products Made from Fluoroelastomer

Abstract The paper provides the results of the studies of the domestic and imported fluoroelastomer O-rings for cylinders with antifreeze cooling. It revealed that the imported materials were more efficient as they featured better compressive strain properties since they provided the acceptable sealing ability when subjected to antifreezes at elevated temperatures, as compared to the domestic materials. The different properties are explained by significantly different filler components and fluoroelastomer chemistry. The comparative analysis showed that the domestic O-rings had a higher compression set both in the coolant medium and in air. The high compression set and subsequent loss of the sealing effect can be caused by low quality of the rubber and inadequate formulation of the rubber mixture.