Benefits of Open-Cell Cellular Urethane Foam

Are you looking for the best materials for gaskets or sealing products? If so, you’ll come across a wide selection of foams, rubbers, and silicone rubbers, so which is best? Many companies are turning to high-quality open-cell urethane foam products like PORON, and here are several reasons why.

Why Urethane Cellular Foam?

Open cell foam comes from urethane, and the process forms many tiny bubbles. Each bubble or cell interconnects to form a strong and flexible material. The cellular structure is uniform, and this allows the material to compress to seal out moisture, dust, dirt, and other materials. PORON foam is easily compressed which helps to enhance its sealing properties.

Urethane foam is perfect for both sealing and cushioning parts. It’s often used in the electronics industry and has many other uses. Also, the foam has a memory which means it will return to its original thickness after compression. This is compression set resistance. Also, it’s possible to produce this foam material in many different thicknesses by changing formulas and casting methods.

Advantages of Open Cell Urethane Foam

Compression set – lower than many other types of sponge materials. In fact, compression is under two percent at room temperature.
Cell structure – open cell urethane offers a consistent cell structure. This makes it excellent for clean rooms.

Energy absorption – Absorbs a great deal of energy and shock. It’s often used to cushion batteries and many kinds of sensitive parts.
Self-adhesive – if you want to create self-sticking gaskets, urethane foam is an excellent material. The surface is easily bonded, and adhesive backing won’t affect the integrity or shelf-life or your material.

Options

You can buy PORON in many thicknesses. Also, because it has a natural flame resistance, it has many more uses. Your supplier can give you more info on PORON urethane foam materials.

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