SPC SIR™ Sorbent Industrial Rugs Make high traffic areas and workstations safe with SIR™ Sorbent Industrial Rugs. Extremely durable, needle punched polypropylene fibers will not rip or tear under traffic. Gray industrial material absorbs 10 to 12 times its wieght i water, oil and chemicals, even standing up to the most aggressive chemicals. Industrial rugs eliminate tracking of oil and dirt between plant and office. Static resistant.