Compression Packing Seal, Thickness 1/2 in, Overall Length 100 ft, Material Fiberglass, Color White, Edge Shape Square, Minimum Temperature Not Applicable, Maximum Temperature 1, 380 Degrees F, Standards Not Applicable, Compatible Pump Not Applicable, Density 75 lb/cu ft, Tensile Strength 3, 200 N/mm, Features Seals are Flexible and Conform to Uneven Surfaces, Square 1/2 in