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CPVC sprinkler pipe inside a firestop mock-up. Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling.
Chlorinated polyvinyl chloride, (CPVC), as it is called, is produced by chlorination of aqueous solution of suspension PVC particles followed by exposure to UV light which initiates the free-radical chlorination. [9]
The following is a list of the 67 counties of the U.S. state of Pennsylvania. The city of Philadelphia is coterminous with Philadelphia County, the municipalities having been consolidated in 1854, and all remaining county government functions having been merged into the city after a 1951 referendum.
There are six types of local governments listed in the Pennsylvania Constitution: county, township, borough, town, city, and school district. [1] [2] All of Pennsylvania is included in one of the state's 67 counties, which are in total subdivided into 2,560 municipalities.
This is a list of Superfund sites in Pennsylvania designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law.The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]
In Ohio's Ashtabula County, which borders Lake Erie 50 miles northeast of Cleveland, one town was hit with almost five feet of snow. Saybrook, population 10,000, recorded more than 56 inches of snow.
This increase in elemental chlorine content contributes to CPVC's increased expression of chlorine-based characteristics, such as chemical durability, resistance to acids, bases, and salts; susceptibility to ammonia-based compounds, aromatics, esters, ketones; [9] chemical stability; heat energy transfer resistance. CPVC is commonly used in ...
PITTSBURGH, Pennsylvania — Voters in a deep-red Pennsylvania county will get two extra hours to vote on Election Day after widespread problems with voting machines caused confusion and long lines.