When the racetrack use rubber granule of our brand,it'll not break-off, crack and foam and have good fricition resistance, acid

This black rubber granule does not harm the surrounding. It helps the plastic racetracks to avoid granule breaking-off, cracking and foaming, when the granules are mixed into the plastic racetracks at the ratio of 50%. This product makes racetracks of good frication resistance, acid and alkali resistance, and anti-aging, so that the using life can be expanded. Furthermore, the racetrack elasticity can be balanced for effectively protecting ligament, muscle and skin of athletes from harm or abrading.

Sell Black Rubber Granule