1.Filling reinforcing agent to improve the hardness,aging resistance 2.Be suitable for high-hardness and low-density products High Styrene RubberHigh styrene rubber is suitable for the manufacture of high-hardness and low-density products1.Shoe-making:hard soles,heel,rigid foam sole,imitation leather shoes etc;2.As floor materials:rubber floor tile;industrial products,like rubber roll,washer,hard ...