Study on Mechanical Properties and Damping Properties of Nitrile Rubber Filled with Different Fillers

Mechanical and damping properties of NBR with various filler were studied. The results showed that there is a significant impact on the mechanical and damping properties of NBR with the filler type and content. As the amount of filler reached 30phr, the tensile strength and hardness showed an increasing trend, and at the meantime the elongation at break decreased. When the content of the filler was more than 30phr,the tensile strength and the elongation at break were on the decline,and the hardness first increased and later decreased. At different frequencies, the damping loss factor which varies with different kind of fillers resulted in the different damping properties.