What is Expanded PVC (Polyvinyl Chloride)

May 27, 2023

PVC foam sheets are also known as polyvinylchloride foam board, Komatex, expanded PVC and Komatex. This plastic-based material, contrary to its name is made of foam polyvinyl chloride. Eugen Baumann was a German chemist who invented this plastic panel in 1872. FDA-compliant, it is ideal for commercial and residential applications. Clear PVC Strip Doors & Curtains is easy to use and cost-effective.
Expanded PVC: Physical and Scientific Properties
PVC expanded is a lightweight, rigid plastic. The density of PVC foam boards ranges from 3 to 25 pounds per square foot. PVC softens at 149degF due to its thermoplastic properties. It is also highly resistant to chemicals and moisture, making it easy to manipulate.

Polyvinyl Chloride: Different Types
The two types of PVC are rigid PVC, and flexible PVC. Flexible PVC can be used to make toys, flooring, roofs, curtain rails and window frames, as well as for other items. Rigid PVC, on the other hand, is used for more durable applications.

How is PVC Foam Board Made
The expanded PVC is made by polymerizing vinyl-chloride monomer. The suspension process is used to achieve this. PVC sheets were originally made by exposing vinyl chloride, which was contained in a tube, to sunlight. The solid white plastic that is now called expanded PVC was produced by exposing vinyl chloride in a tube to sunlight.

Is expanded PVC foam toxic?
Foam sheets made of expanded PVC are non-toxic. Expanded PVC foam sheets are made from non-toxic, eco-friendly thermoplastics and can be recycled.

What type of resistance does PVC foam board have?
The PVC is resistant to many substances, including water, fire and mold.

Water & Flame-Resistant
PVC expanded is a fire-resistant material that is also self-extinguishing. PVC is flammable, but it has an intrinsic flame retardant property. PVC foam board is UL-94 flame rated, making it perfect for use in trade shows and exhibit halls. Expanded PVC, with its closed-cell structure and low absorption values is also a great plastic for outdoor applications requiring weather resistance.

Mold and Mildew resistant
It is easy to clean and maintain.

Weather Resistant
PVC foam is resistant to a wide range of weather conditions, including wind, rain, and prolonged sun. PVC foam is ideal for outdoor commercial applications.

What is the best way to shape expanded PVC?
The expanded PVC can also be machined, nailed and glued just like metal and aluminum. The material can be painted, digitally or screen-printed, saw-cut, routed, and die-cut, and mounted using cold mounting techniques. It is a great fastener with excellent screw and staple retention. The lightweight, rigid expanded PVC composition provides superior scratch and dent resistance.

How strong is expanded PVC?
Expanded PVC is superior to other plastics in terms of strength-to-weight ratio. The sheets are rigid, durable, and easy to handle. The sheets are free of lead, cadmium and zinc and meet all UL 1975 standards, making them safe to use and fabricate.

What are the uses of PVC foam board?
The PVC foam board is a versatile material. It is a versatile type of plastic that has extraordinary properties. This makes it perfect for signs, displays in stores, POPs, screen printing, stage design props, cabinetry and wood replacement projects. PVC foam board is used for packaging, wires and cables, toys, clothes, medical, automotive, home improvement, construction, and building.

Indoor & Outdoor Applications
Expanded PVC is a versatile material that can be used for many indoor and outdoor uses, including the ceilings of automobiles, buses, trains and refrigerator panels. Expanded PVC is also a great alternative to aluminum, wood and other composites.

What are the benefits of PVC foam boards?
We offer a variety of sizes, colors and thicknesses for our PVC foam board. It can be painted or laminated due to its matte finish. It is easy to transport PVC foam boards because they are lightweight and portable. PVC foam board benefits include:

High durability and strength

Resistant to mold and mildew

Resistant to many chemicals and solvents


Self-extinguishing, flame retardant

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