What Is the Black Stuff in Artificial Turf? | Hunker
Jan 05, 2022 · The artificial turf''s base material, or infill, is composed of granules of soft plastic pellets, sand, silica sand, crumb rubber or a combination of those materials. The crumb rubber is usually composed of recycled tires, and that is what makes up the black material in some artificial turf. Old tires present an environmental problem.