Detrex Corporation and its subsidiaries manufacture and sell products used in the industrial manufacturing and commercial construction industries in the United States and internationally. The companys principal products include specialty chemicals, including lubricant additives and high purity hydrochloric acid; and PVC and CPVC plastic pipe, duct, and shapes. It manufactures lubricant additives, which are used for enhancing the properties of hydraulic oils, metalworking fluids, gear oils, and greases; high purity hydrochloric acid for semiconductor specifications and pharmaceutical manufacturing applications; and specialty chemicals, including pyrroles.The company also produces corrosion resistant PVC and CPVC thermoplastic extrusions, including industrial piping, duct systems, machining profiles, and other custom extrusions; PVC and CPVC industrial pressure pipe in sizes ranging from 1/8 through 24 diameters; and fire sprinkler pipe, CPVC plumbing piping, ultra pure water piping, low flame and smoke containment piping, and PVC piping products for use in various applications in chemical and industrial processing, high purity, food and beverage, fire protection, micro-electronics, water and waste water, commercial hot and cold water distribution systems, power generation, and aquaculture markets. Its customers include manufacturers of automobiles, lubricants, farm implements, appliances, and ordinance materials; and computers, telecommunications, aerospace, and optical products, as well as commercial and industrial construction industries. Detrex Corporation was founded in 1920 and is headquartered in Southfield, Michigan.