Conveyor Roller Cover For Use With Roller Dia 1.9 in to 2 In. Installation Method Heat Shrink I.D. Before Shrinking 2.1 In. I.D. After Shrinking 1 In. Material Elastomer Color Black Length 600 In. Shrink Ratio 2 1 Wall Thickness After Shrinking 0.07 In. Temp Range -94 Degrees to 250 Degrees F Dielectric Strength 300 V/mil Resists Many Chemicals Oils Grease Acids Chlorinated Cleansers Salt Salt Water Moisture and Fungus Standards RoHS