Sludge Block Home / Linings / Sludge Block Niles Sludge Block Niles Sludge Block has been specially formulated for use in wastewater treatment pipe and fittings. Nile Sludge Block offers a high level of protection against the buildup of crystalline metal salt deposits. And, prevents the buildup of grease and scum on the pipe wall.Niles Sludge Block is a 2 coat system where each layer is roughly 10 to 12 mils thick (20 to 24 mils total coverage) applied to properly prepared substrates. Ductile iron pipe requires a base coat of glass formulated to be compatible with the out gassing from the various elements in ductile iron and bond with the carbon content of the substrate. For ductile iron pipe and fittings Hardness: >5 on the Mohs Scale Density: >2.5 grams per c.c. 8% Sulfuric acid @ 148 degrees F for 10 minutes: No loss of gloss ASTM C-283: Weight loss <3 mg per square inch Thermal Shock: No integrity loss, no breakdown at 350 degrees F differential. Get a Quote Defender Epoxy™ Sludge Block Ultonium Ultonium II Products Chilled Water Buffer Tanks Electric Power Heater Series General Process Tanks Hot Water Generators Hydraulic Separators Indirect Water Heaters Insulation and Topcoat Linings Pipes and Fittings Solar Tanks Water Storage Tanks About NST Who We Are Facilities Capabilities Engineering Testing Get a Quote Careers Contact NST National, State, and Local Policies, Disclaimers, and Disclosures Get a Quote At Niles Steel Tank, we have experienced engineers who will calculate your request and promptly return the quotation. Get a Quote Niles Steel Tank is an American company with its manufacturing facilities located in the United States of America. Products made by Niles are manufactured in the United States using the finest raw materials and components from around the world to deliver the highest quality and value to our customers. Contact NST Niles Steel Tank Company PO Box 728 1701-A Terminal Road Niles, MI 49120 Email: info@nilesst.com Phone: 269.683.1910 Fax: 269.683.1953 Bradford White Corporation 725 Talamore Drive Ambler, PA 19002 www.bradfordwhitecorporation.com Subsidiary of ©Bradford White Corporation, ©2014 Niles Steel Tank. All Rights Reserved.