The black rubber granules in our company are made of tires, inner tubes, seal strips or new shoe sole materials, they are in good quality, in high purity with metal or floss free. The size generally is 0.5mm-2mm, 1-3mm, 2-4mm, 3-5mm, or other specification is available according to clients' requirement. They can be used in safety playground construction, asphalt road or as artificial turf infilling.