Water Soluble Paper, Overall Width 9 in, Overall Length 165 ft, Thickness 0.089 mm, Standards CE Approved, EPA Approved, Compatible Material Type Aluminum, Stainless Steel, Compatible Pipe Diameter (Maximum) 36 in, Compatible Pipe Diameter (Minimum) 2 in, Features 100 Percent Biodegradable, Dissolves Effortlessly and Rapidly During Water or Steam Hydro-Test, No Residue Remains in the Pipeline, Form Roll, Material Sodium Carboxy Methyl Cellulose, Wooden Pulp, Process TIG Welding