PVC vs uPVC - Difference and Comparison
Regular PVC ( polyvinyl chloride ) is a common, strong but lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers . If no plasticizers are added, it is known as uPVC ( unplasticized polyvinyl chloride ), rigid PVC , or vinyl siding in the U.S.
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Uses of PVC vs. uPVC
Stacked blue PVC pipes
In Construction
As a flexible plastic, PVC is used to produce a wide variety of piping. Larger PVC pipes are often used in plumbing to distribute non-potable water. PVC piping can also be used to insulate electrical cables.
uPVC is used as a replacement for wood in construction, such as in double glazed window frames and window sills and in what is known as vinyl siding in the U.S. It is a versatile material that can be manufacturered in many colors or made to look like other materials (e.g., wood). uPVC is also used instead of cast iron for certain types of heavy-duty plumbing and draining.
uPVC vs. PVC Pipes
PVC is used as a replacement for copper and aluminum pipes and is used in waste lines, irrigation systems and pool circulation systems. It is easy to cut into smaller pieces and can be fastened with glue, making it a good alternative to metal.
uPVC is used for the majority of plastic pipes in the world, as it is incredibly resistant to chemical erosion and has smoother inner walls that help to encourage water flow. It also functions well in a wide range of temperatures and operating pressures. It is incredibly strong, stiff and cost-effective, and so is often used for sewage lines and exterior drainage pipes. Even so, uPVC piping is much less common in the U.S., where PVC piping is preferred.
Neither PVC nor uPVC is used to transmit drinking water. cPVC (chlorinated polyvinyl chloride) is used instead.
Windows
PVC is not used for window frames, although some manufacturers may use &#;PVC&#; to refer to their uPVC windows. Instead, uPVC is used for window frames, as it does not decompose and is weather-resistant.
uPVC will not change shape under normal weather conditions, but it can be reshaped at very high temperatures. uPVC windows are more energy-efficient than those with wooden or metal frames. Moreover, uPVC can also be used for door frames and conservatories.
This video shows how a typical uPVC window is installed:
Other Uses
Small and slender PVC pipes are sometimes found in medical equipment. PVC is also used in leather-like or waterproof clothing materials, vinyl flooring, shoes, toys, car interiors and car cables, shower curtains, and numerous other plastic products.
Because uPVC has fewer health concerns associated with it, it is found in medical and dental pieces. For example, uPVC is sometimes used for dental retainers.
Durability
Because it is designed to be softer and more flexible than many other plastics, PVC is less durable than uPVC. However, both plastics are resistant to sunlight, oxidation, and a variety of chemicals. PVC piping's ability to withstand sunlight sometimes makes it more useful than ABS pipes.
Cost
It is very cheap to manufacture many PVC and uPVC products, which is why they are so ubiquitous in a wide variety of affordable products.
PVC pipe can be bought by length or weight. The thicker the piping, the most expensive the pipe will be. Still, PVC pipe is very affordable, with many 10-foot lengths costing less than $10.00 a piece.
Safety and Risks
PVC-coated wires can form HCl fumes in a fire, which can be a health hazard. Plasticizers may leach out of PVC into the environment.
For more information, please visit Water Well UPVC Filter Pipe.
Phthalates are what allow PVC to be flexible. Some of the phthalates used in PVC have been restricted or banned over the years, and many others are being replaced with safer phthalates. Dibutyl, benzyl butyl, and DEHP are some of the more commonly banned or restricted phthalates.
To date, there are no mainstream concerns regarding the use of uPVC, which does not use phthalates or BPA.
Disposal
Neither PVC nor uPVC are biodegradable. However, uPVC is recyclable and can be reshaped into new products or pipes at very high temperatures.
References
What is UPVC and its Different Applications?
In the last couple of decades, plastic pipes have taken over the plumbing industry replacing metal and concrete pipes. Earlier, the major problems plumbers use to face were corrosion, heavyweight pipes leading to tedious installation process. This is where plastic pipes came in as a revolutionary solution to all leading plumbing problems. Among plastic pipes, the PVC category has stood out over the years. UPVC stands for Unplasticized Polyvinyl Chloride and is also known as rigid PVC. The term Unplasticized means no additional plasticizing polymers are used in UPVC manufacturing process and hence is the most durable form of PVC. Although UPVC pipes are extensively used for agriculture, and drainage, however normally in India UPVC pipes refer to the plumbing pipes commonly used for transportation of cold water for residential, commercial and industrial applications. These pipes are normally white in colour.
What is a UPVC pipe?
UPVC pipes are derived from PVC resin, which is combined with varied chemicals & additives to create a strong and durable material. Due to its durable nature, resistant to corrosion, chemical damage & weathering, this piping system is extensively used in various plumbing & drainage applications.
The Advantages of UPVC Piping Systems
Few notable advantages of UPVC piping system are its higher tensile & impact strength that enhances its durability. Easy to transport & install due to its light weight. Resistant to corrosion & chemical damage again enhancing its durability. It can withstand the change in temperature, which makes it hassle-free to maintain. Furthermore, these pipes are not prone to scaling, this means they do not require frequent cleaning making them easier to maintain.The smooth texture of inner walls of these pipes allows a better flow rate compared to metallic systems.
The Different Applications of UPVC Pipes
This wonder polymer, due to its versatile properties has varied application areas.
- Domestic & Commercial Plumbing - UPVC piping system are a popular choice in today's potable water plumbing system, especially for cold water lines.
- Sewage & Drainage System - In India, it&#;s the most preferred material in drainage & sewage systemsdue to their non-corrosive nature, lightweight, and easy installation.
- Irrigation - UPVC plumbing pipes are also suitable for irrigation systems, where they can withstand harsh weather conditions and exposure to chemicals and fertilisers.
- Electrical Conduits - UPVC piping system are used as electrical passage to protect and route electrical wires and cables. In addition, they offer excellent insulation properties.
- Industrial - UPVC piping system are used in industrial piping applications due to its excellent resistance to chemicals & abrasion.
What are the different types of UPVC Pipes?
There are two main types of UPVC pipes: pressure pipes and gravity pipes. Pressure pipes are designed for use in high-pressure applications, such as irrigation systems or water supply lines. Gravity pipes are used in low-pressure applications, such as drainage systems.
UPVC Pipes Frequently Asked Questions Answered
What is the life of UPVC pipes?
UPVC pipes typically have a long service life, with many manufacturers claiming a lifespan of up to 50 years or more under normal conditions. This longevity is due to UPVC's resistance to corrosion, chemical degradation, and wear, making it a durable option for plumbing systems.
How easy it is to install UPVC Pipes & Fittings?
UPVC pipes & fittings especially for potable water system are very easy to install primarily due to its light weight and solvent cement wielding process. Even unskilled labour can install them easily.
Are UPVC pipes flammable?
UPVC pipes have low combustibility, making it difficult to catch fire. In the event these pipes do catch fire, they instantly stop burning once the source of the fire is removed.
Are UPVC pipes safe for health?
In India all leading brands available in market use lead free technology to extrude UPVC pipes, thus making it suitable & hygienic for potable water system, however there are smaller brands which still use lead as a processing aid which tends to be harmful for human health.
Is UPVC piping system suitable for hot water application.
CPVC pipes can withstand both hot and cold temperatures, UPVC pipes are designed only for cold & normal temperature water passing.
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