What is 5mm PVC waterproof foam board?

It seems like you're looking for information about a specific material or product: PVC arch extruded foam board. However, it's important to note that as of my last knowledge update in September 2021, I don't have information on this specific product, and it may not be a widely recognized term or product name in the general market. Nonetheless, I can provide some general information on each of the components mentioned.

1.PVC (Polyvinyl Chloride):

2.PVC is a synthetic plastic polymer made from vinyl chloride monomers. It is a versatile material known for its durability, chemical resistance, and low cost.
3.PVC is used in a wide range of applications, including pipes, cables, clothing, inflatable structures, and more.
4.It can be rigid or flexible, depending on its formulation.

5.Arch:

6.In the context of materials, "arch" typically refers to a curved or arched shape. It is often used in architectural and design contexts to describe structures or designs with curved or arched elements.

7.Extruded Foam Board:

8.Extruded foam board is a type of insulation or construction material made by extruding a polymer foam through a die to create a rigid board with a uniform structure.
9.Extruded foam boards are commonly used in construction for insulation and as a substrate for various finishes, such as stucco or siding.
10.They can be made from various materials, including expanded polystyrene (EPS), extruded polystyrene (XPS), polyurethane, or others.

If "PVC arch extruded foam board" is a specific product or material that has emerged after my last knowledge update in September 2021, I recommend checking with manufacturers, suppliers, or industry resources for the most up-to-date and detailed information about this product, including its properties, applications, and specifications. Additionally, if you have specific questions or need information about a related topic, please feel free to ask, and I'll do my best to assist you.