Foam Fabricating/

Closed Cell Foam

Closed cell foam is a plastic that contains foam cells which are sealed, or “closed” and packed together. This foam is very dense and has high compressive strength. Because the cells are not broken in this foam and gas and liquid molecules do not freely travel from cell to cell, when exposed to heated gas the cells expand, filling the material and making closed cell foam an excellent heat insulator.

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New Dimension Industries
Carlstadt, NJ
800-251-7462
NDI offers a variety of flexible plastic foam products, including state-of-the-art closed cell foam. NDI produces one off samples alongside one million part orders in their modern factory. NDI specializes in the fabrication of reticulated foams and produce a wide variety of fabricated parts across a broad range of industries. Choose NDI for all your foam needs!
 
PAC Foam Products Corporation
Costa Mesa, CA
714-662-0277
For more than 30 years, PAC Foam Products Corporation has been a respected, innovative fabricator of closed cell foam and related products for a variety of industries and firms, across the nation and internationally. PAC Foam Products distinguishes itself in five vital ways: customer commitment, extensive product knowledge, integrity, product quality and reliability.
 
American Excelsior Company
Arlington, TX
Locations in OH, TX, IL, WI, WA - 800-777-7645
Time-honored solutions coupled with a nationwide presence has made American Excelsior thrive as a leader in the flexible foam, erosion control and excelsior wood fiber industries. With 9 locations and multiple manufacturing plants, American Excelsior offers complete lines of protective foaming products- such as their quality line of closed cell foams- and serves a wide range of industries.
 
TMP Technologies, Inc.
Buffalo, NY
866-728-1932
TMP Technologies, Inc. is a specialty contract designer and manufacturer of components and assemblies using foam, rubber, plastic and metal. They are your pivotal answer for turnkey solutions in: high precision foam conversion and assemblies, custom rubber molded OEM components, and specialty foam formulations and material. For quality closed cell foam, choose TMP Technologies.
 
American Foam Products
Painesville, OH
440-352-3434
American Foam Products supplies numerous closed cell foam products in various densities, shapes and sizes. American Foam Products is large enough and small enough to meet your requirements on a personalized basis. Their continuing success involves product quality in their matrix of products and services. Please Call AFP today or go to their website to read their full product descriptions.
 

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FoamPartner/ Swisstex, Inc
Piedmont, SC
864-845-7541
The FoamPartner Group utilizes state-of-the-art manufacturing and processing technologies to produce quality closed cell foam and other special foams and manufactured foam products. FoamPartner always combines the manufacture and supply of special products with customer-oriented service, ensuring their customers go home happy and satisfied after every single FoamPartner experience.
 
Wisconsin Foam Products, Inc.
Madison, WI
800-989-3626
Since 1985, Wisconsin Foam has maintained a singular focus on providing integrated closed cell foam solutions to companies that span a broad spectrum of market segments throughout the United States. By creatively utilizing our integrated in-house capabilities, Wisconsin Foam is able to maintain complete control over all quality, pricing and delivery specifications.
 
Thrust Industries
Evansville, IN
800-467-6730
Thrust Industries is committed to quality in everything they do, from their technical knowledge to their customer service. The entire team at Thrust Industries is devoted to developing high-quality closed cell foam products for your business and delivering them exactly when you need them. Thrust has served the needs of customers across the globe for over three decades- become one of them today.
 
Allied Aerofoam Products, LLC
Tampa, FL
800-338-9140
Allied Aerofoam is the largest independent closed cell foam manufacturer in the United States with numerous facilities featuring state of the art techniques and machinery. The most experienced personnel in the industry craft foam to demanding specifications utilizing computerized contour cutters, high speed band saws, die presses and water jet cutters.
 
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Industry Information

Closed Cell Foam

Closed cell foam does not have interconnected pores or cells like those that are found in open cell foam. Rather, in closed cell foam, the material's cells are separate sealed elements placed in a compact configuration which results in dense and pressure resistant foam. Closed cell foam has varying degrees of hardness, depending on the density of the cells it is composed of. It is commonly used in building applications for residential homes, industrial buildings, office buildings, schools, outdoor and marine environments. Foam mattresses, foam padding, foam cushions for couches and chairs, packaging materials, flotation devices and other nautical buoyancy applications are all examples of everyday uses for closed cell foam. It can be fabricated into numerous shapes, sizes and colors according to custom requirements and applications. Foam is an extremely malleable material and is fairly easy to manage in terms of cutting and fabricating. Foam is typically described as either closed cell foam or open cell foam. The fabrication of foam material is dependent on what type of foam is being used as the processes differ in terms of capabilities and suitability. Die cutting, contour cutting, hot wire cutting, foam felting and routing are all different methods of shaping a piece of foam into the required dimensions and shape. Heat, applied pressure or direct foam cutting are the most common methods of shaping foam.

Compared to open cell foam, closed cell foam has higher compressive strength and dimensional stability. The cells are not broken within the foam, but rather they exert pressure on each providing rigidity and making the material more resistant to air and water vapor leakages. These properties make closed cell foam a good material to use for heat insulation or outdoor insulation. Its low moisture absorption add to its suitability for outdoor use. Unlike open cell foam which soaks up water due to its porosity, closed cell foam is almost impermeable to moisture, another reason why closed cell foam is suitable for buoyancy and flotation devices.  Disadvantages to requiring closed cell foam instead of open cell foam include the higher material costs due to the increased denseness. The hardness of the foam is dependent on its density, and therefore for applications requiring sturdy foam, higher material costs may be required. Foam also tends to break down over time, especially if it is exposed to frequent wear and tear. Therefore it will need to be replaced at some stage in almost every application. When determining the specifics of foam type for a certain application, variables to be considered are density, tensile strength, tear strength, thermal conductivity and elongation of the material.

Closed Cell Foam
Dense Foam
Closed Cell Foam Images Provided by UFP Technologies, Inc.