Chemtrol PP fittings are lightweight, easy to install and maintenance-free. The fittings join piping lengths together with thermo-seal fusion, threading or flanging. Please refer to Chemtrol technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Chemtrol industrial thermoplastic flow-control systems perform well in harsh environments because they are made with materials that are resistant to abrasion, corrosion, weather, chemical and biological attack. Chemtrol black polypropylene demonstrates excellent tensile strength, UV stability and versatile chemical resistance properties, making it the material of choice for harsh industrial, outdoor and underground applications. Chemtrol premium line of plastic fittings is backed by a 1-year limited warranty. Because Chemtrol is a NIBCO brand the flow-control fittings are unsurpassed in quality, performance and longevity.