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Filter Foam

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The open cell structure and porosity of reticulated foam allow liquids and gases to pass through while still catching larger particles and contaminants, making it ideal for use as a filter material. Read More…

Filter Foam Filter foam, also known as reticulated foam, is a type of foam product used to remove unwanted contaminants from liquids and gases. This type of foam is typically a low-density, open-celled polyurethane, polyether, polyester, or ceramic foam.
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Leading Manufacturers

Arlington, TX  |  800-777-7645

The applications for foam fabricating are only limited by one’s imagination; that is our slogan at American Excelsior. We are a foam supplier who offers many different foam cushions & foam padding for over a dozen industries.

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American Excelsior Company $$$

Painesville, OH  |  440-352-3434

For innovative and cost-effective fabricated foam packaging, American Foam Products should be your preferred vendor! We utilize a wide range of foams and other materials, including polyethylene, polyurethane, crosslink polyethylene, expanded polystyrene and plastic corrugated, as well as a broad range of manufacturing services and capabilities.

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American Foam Products $$$

Garland, TX  |  800-530-0091

Our highly advanced foam solution are ideal for a wide range of applications. We take your satisfaction very seriously which is why we offer custom services to accurately manufacture all of your products.

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Heubach Corporation $$$

St. Louis Park, MN  |  952-345-0012

As a leader in the foam fabricating industry, FLEXTECH uses a variety of methods to produce your product including compression and encapsulation molding, vacuum forming, laminating, skiving, and die cutting. To guarantee customer satisfaction, every step of production is closely monitored and examined to ensure it meets FLEXTECH’s exacting standards for quality and customer satisfaction. Your requirements are an essential element in the completion of every product and are meticulously followed.

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Flextech $$$

Newton Falls, OH  |  330-872-0995

At Luxaire, we realize the importance of customer care. No matter how challenging the project, we fabricate our foam with the utmost precision to get it right the first time. Available foams include rigid, semi-rigid, open-cell, and outdoor foam. We are capable of performing detailed fabrication with our cutting-edge CAD production equipment.

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Luxaire Cushion Company $$$

Madison, WI  |  800-989-3626

Wisconsin Foam is a foam supplier that serves a multitude of applications & industries with highly targeted, cost-effective precision flexible foam solutions— no matter the size or complexity.

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Wisconsin Foam Products, Inc. $$$

Evansville, IN  |  800-467-6730

Here at Thrust Industries we provide die cut foam that comes in a variety of shapes and configurations. We die cut foam from a number of materials including: urethane, PVC, polyester, neoprene, ether, cellular, volara, and much more.

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Thrust Industries $$$

Grand Rapids, MI  |  616-942-7780

Our long-term customers know they can trust us to find them the best deals on foam products. We believe that savings should be passed on. We are not in business simply to make profits, but to benefit our customers with high quality products and services.

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Design Converting, Inc. $$$
placeholder image American Excelsior Company American Foam Products Heubach Corporation Flextech Luxaire Cushion Company Wisconsin Foam Products, Inc. Thrust Industries Design Converting, Inc.

While many other types of filters operate by catching particles on their surface, filter foams are depth-loading filters. This means that contaminants are captured within the body of the foam instead of just the outer surface.

Depth-loading is an ideal feature for filters used in applications for fluids with a higher concentration of particles. As it catches the higher volume of contaminants, the filter foam has more room within its structure to hold the contaminants without becoming clogged.

Filter Foam Filter Foam - Williams Foam

This structure and filtering process also helps improve the quality of the filter. Particles larger than the pore size of the filter get caught on the exterior of the foam, and they start to build up, forming what is called the cake layer. The cake layer serves as a secondary filter, catching even smaller particles.

Only the smallest particles are able to breach this outer layer, but once they enter into the foam structure, they are captured within the pockets, or cells, of the foam. Thus, filter foams are an incredibly useful filtration option.

Fabricators create many different kinds of filter foam. Filters can be converted from polyurethane, polyester, polyether, ceramic, and even metal. Polyether foams are often used in liquid filtration applications, polyester foams are used in gas filtration, and polyurethane foams can be used in many filtration applications, including vehicle air filters.

In addition to the material composition of the foam, other foam properties can also be manipulated to enhance and specialize filters. The size, shape, and distribution of the cells within the foam can be tailored to meet the porosity needs of different applications.

Filter Foam Informational Video