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.
Packing:
25kg/woven bag
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