The pressure ratings for PVC vs CPVC change dramatically with temperature. The production process includes the chlorination of PVC via free radical chlorination. Both PVC and CPVC have been deemed safe for potable water transport, i.e. In fact, the first pipeline systems used by the CPVC occurred in 1959, and they continue to work without any problems. Budget-friendly, temperatures under 140° Fahrenheit, most suitable for recreational applications, residential construction, DIY projects and cold water distribution. PVC is available in 10 ft and 20 ft lengths. One of the biggest and most … When properly installed, PVC pipes are capable of a lifespan of 50 years or longer. Both come in Schedule 40 and Schedule 80 thickness. 3. CPVC is available in 10 ft and 20 ft lengths. As seen in the image below, PVC’s chemical composition is made of two carbon atoms linked together with a perimeter of three hydrogen atoms and one chlorine atom, all attached by single bonds. Polymers are giant molecules composed of a large number of repeating units. In addition to meeting ASTM specifications, there are different solvent cements required based on the pipe’s size and intended application, so check the product containers to be sure you’re using the correct agent for the correct application. Both PVC and Polycarbonate are good examples of thermoplastics. For more on what PVC and PVC pipe is used for, read our resource article What is PVC Used For. If a single component made from defective material goes into production, the entire product may be compromised. This individual molecule unit (a monomer) is then further linked together with other molecules of the exact same structure to form chains (a polymer) that are extruded as PVC to form PVC products like pipe. It is safe to use CPVC in applications where PVC may be used. CPVC vs PVC Pipe Comparison and Differences, The primers, solvent cements, and bonding agents are different for PVC and CPVC due to the differences in the material's chemical composition. As a flexible plastic, PVC is used to produce a wide variety of piping. CPVC would be recommended in these situations since its peak temperature threshold is 200° Fahrenheit. Commonly used to create plumbing pipes and fittings, For more on what is PVC, the characteristics and properties of the plastic, read our resource article, The color of PVC pipe is traditionally white or dark gray, with a technical description of the pipe printed on the side. PVC is the common term for Polyvinyl Chloride. Because their chemical composition contains a halogen -- the element chlorine -- their structure is stable and innately fire retardant. When PVC discolors under heat, it is burning and all work should cease immediately and be modified to prevent excessive toxins from becoming airborne. From the outside, CPVC pipe resembles the PVC pipe that preceded it. Sounds funny, doesn't it? It is a versatile material that can be manufacturered in many colors or made t… For example, ¾” Sch40 PVC pipe is rated at an extremely high pressure of 480 psi at 73 degrees, but it has no high-temperature rating whatsoever. The primers, solvent cements, and bonding agents are different for PVC and CPVC due to the differences in the material's chemical composition. Copper has been used in North American plumbing applications for more than 70 years. Rights Reserved. CPVC pipe is non‐toxic. Before PEX came around, PVC (Polyvinyl Chloride) and CPVC (Chlorinated Polyvinyl Chloride) were the primary plastics used in plumbing. Why don't you sell PVC or CPVC?"
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