Closed-cell foam is a robust and flexible plastic rubber material with internal pores or cells. Closely spaced but unconnected, these closed-cell foam’s internal cells are located next to one another; the structure is comparable to a net packed with balloons.. The cells of this foam resemble tiny gas-filled bubbles, setting it apart from other foams. Closed-cell foam comes in various forms and sizes, is extremely resilient, and is waterproof. In addition, closed-cell foam comes in a huge range of densities and materials. Read More…
Leading Manufacturers
American Excelsior Company
Arlington, TX | 800-777-7645The 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.
American Foam Products
Painesville, OH | 440-352-3434For 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.
Heubach Corporation
Garland, TX | 800-530-0091Our 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.
Flextech
St. Louis Park, MN | 952-345-0012As 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.
Luxaire Cushion Company
Newton Falls, OH | 330-872-0995At 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.
Wisconsin Foam Products, Inc.
Madison, WI | 800-989-3626Wisconsin 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.
Thrust Industries
Evansville, IN | 800-467-6730Here 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.
Packaging Strategies, Inc.
Baltimore, MD | 410-547-7877Packaging Strategies is a leading foam fabricator with over 30 years experience in the design and manufacturing of flexible foam packaging solutions and products. With state of the art in house engineering and computer controlled fabrication machinery PSI has become one of the leading suppliers in the industry. Foams products include flexible polyethylene’s, polyurethanes, cross linked. Specializing in case and container inserts and cushion and vibration analysis PSI is an excellent choice for your next project.
Design Converting, Inc.
Grand Rapids, MI | 616-942-7780Our 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.
Manufacturing Process Of Closed-Cell Foam
Closed cell foam is made by introducing a gas, often nitrogen, under high pressure to rubber and plastic compounds. High pressure pumps the gas into the material's liquid mixture, forming a compact, bubble-wrap-like structure with tightly packed cells.
There are two approaches to the procedure:
- By immediately exposing the substance to the gas
- By incorporating gas-forming agents into the substance
To meet a variety of purposes and requests, closed cell foams are offered in a broad and varied spectrum. Industries like automotive, medicine, sports, and even construction, to mention a few, benefit from closed-cell foams due to the variety of uses for which it is available.
Types Of Closed Cell Foams
Closed cell foams, as previously indicated, are available in different shapes and sizes and frequently go by several names that overlap. In addition, each foam's manufacturing variations and advantages might occasionally be difficult to distinguish since they are so minor. A handful of the possibilities on the market are listed below.
Polyethylene Foam
This closed cell foam, also known as ethafoam, is intended to be strong, durable, impervious to water and other liquids, and stain-resistant.
Additionally, it has good shock absorption, the capacity to suppress sound, and the ability to stay afloat. Due to these qualities, closed-cell foam is perfect for delicate packaging and arts & crafts applications.
Polyethylene Rolls
Although closed-cell foam is still useful for some purposes when used in rolls, the strength and durability of thicker versions make them more effective. Closed-cell foam can also be molded into polyethylene rolls. For piping and plumbing needs, medical and other healthcare products, sporting goods, and the automobile industry, closed cell foam roll is frequently utilized.
Cross-Linked Polyethylene
Cross-connected foam, or cross-linked polyethylene, is another kind of closed-cell foam that comes in a robust variety and is useful for many applications. In addition to being water, air, and stain-resistant, this form is resistant to mold and mildew. Another benefit of cross-linked polyethylene is that it looks better than conventional foams, which makes it a great choice for packaging needs for branded goods. This type is frequently utilized in building, packing, and floating devices.
Polystyrene foam
Depending on the quantity and use, polystyrene can be purchased as single units or even in multi-packs. It comes in various shapes, including blocks, spheres, and sheets. This form of closed-cell foam also offers the choice of several densities to meet different purposes.
Advantages Of Closed Cell Foam
- Closed-cell foams have a wide range of uses and come with several advantages, some of which are as follows:
- Closed-cell foams are waterproof. This is because this type of foam's cells are so tightly packed together that there is little room for water to sneak in. This reasoning holds for all substances with a highly water-resistant cellular structure closely woven together.
- Foam pores with closed cells can clean themselves, aiding in preventing glazing.
- Since the material is both lightweight and tear-resistant, closed-cell foams are long-lasting and durable.
- Foam with closed cells is stiffer and more durable. Closed-cell foam tends to be more durable than open-cell foam because of its increased rigidity, and it typically keeps its shape for longer.
- Due to their tightly packed cellular structure, closed-cell foams operate as an air barrier, are waterproof, and have outstanding insulating qualities.
Disadvantages Of Closed Cell Foam
- Despite their many advantages, closed-cell foams have a few drawbacks that should be considered before buying or using them in goods.
- It has decreased shock absorption. Due to its compact cell structure, closed-cell foam may have poorer shock absorption capacity than open-cell foam.
- Compared to open-cell foams, closed-cell foams are less "breathable."
- Closed-cell foam won't plug smaller gaps. Due to its rigidity, it performs worse when filling small cavities. It fills gaps more rigidly than fillers do.
- The higher density of the closed-cell foam is another drawback, indicating that the foam is stiff and inflexible compared to the other conventionally available alternatives. It is larger and more likely to shatter.
