PVC (Polyvinyl Chloride) and uPVC (Unplasticized Polyvinyl Chloride) are both types of plastic materials commonly used in various applications, including construction and piping. While they share some similarities, there are significant differences between PVC and uPVC:

  1. Composition: PVC is a type of plastic that contains additives, including plasticizers, to increase its flexibility and workability. On the other hand, uPVC is a rigid form of PVC that does not contain plasticizers. The absence of plasticizers makes uPVC more rigid and durable.
  2. Rigidity and Strength: PVC is relatively flexible and can be easily bent or shaped, while uPVC is more rigid and has higher structural strength. uPVC is commonly used in applications that require higher levels of durability and resistance to impact.
  3. Thermal Stability: PVC has a lower melting point compared to uPVC, making it susceptible to deformation or sagging under high temperatures. uPVC, being more rigid, has higher thermal stability and can withstand higher temperatures without losing its shape or structural integrity.
  4. Chemical Resistance: Both PVC and uPVC have good resistance to many chemicals, including acids, alkalis, and salts. However, uPVC generally exhibits better chemical resistance than PVC. uPVC is commonly used in applications where exposure to chemicals is a concern, such as chemical storage tanks or pipes.
  5. Applications: PVC is commonly used in a wide range of applications, including electrical insulation, vinyl flooring, window frames, and plumbing pipes. uPVC, with its superior rigidity and durability, is often used for applications such as window and door frames, outdoor furniture, cladding, and drainage systems.
  6. Environmental Considerations: PVC is made using chlorine, a chemical derived from salt, which has raised environmental concerns due to the release of toxic dioxins during its production and incineration. uPVC, on the other hand, is considered more environmentally friendly as it does not contain plasticizers and is less toxic during its lifecycle.

It's important to note that terminology and regional preferences may vary. In some regions, uPVC is simply referred to as PVC, while flexible PVC is called "soft PVC." Therefore, it's always best to clarify the specific type of PVC being referred to in a given context.

Looking for uPVC fittings? Well, at 247Garden, we only carry the uPVC fittings so you can be assured that none of our stuff will be toxic for whatever project you will be working on.