Size: - (2-1) mm. - (4-1) mm This rubber is certified by FIFA. - Water resistant, UV resistant and Heat tolerance is 70. - Lightweight and durable. - This rubber is recommended for use in Roofing or Road Flooring. - sport Flooring, - Automotive industry, construction and Geotechnical/Asphalt Applications Material: automotive and truck scrap tire Relative density @ 15 : 02. 0 �± 1.14 gm/cm�³ Color: Black