Polyurethane foam is a combination of the following major petroleum based products:

POLYOL - which gives the product its resilience or bounce, and

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TDI (toluene dioscyanate) - which provides the compression.

Additives are also used in the production of polyurethane foam.   These additives supplement the primary blowing agents (water or CO2, depending on the density), and are used to adjust polyurethane foam softness and texture.

When mixed together with other specific ingredients, these byproducts and additives produce the reaction that causes flexible polyurethane foam to form.

The two main pouring methods for foam are: The Open Trough Conveyer and The Variable Pressure Foaming.  

Open Trough Conveyer Method

The Open Trough Conveyer method of pouring foam takes place in a trough type looking machine.   The additives and byproducts are sent down a conveyer belt into an open trough where atmospheric pressure, humidity, and temperature changes can affect bubble formation.   The additives cause the foam to expand (like yeast in bread) and the trough gradually fills out into a finished “bun” of foam.

Variable Pressure Foaming Method

The Variable pressure foaming (“VPF^SM”) method uses the same machinery and conveyer system that is used in the Open Trough Conveyer method above; however, the machinery is placed in a completely enclosed production environment which contains a series of sealed, pressure-controlled chambers.

The VPF method produces a high quality foam product that is better for the environment as the method does not use any solvents or any other potentially harmful blowing agents. As well, VPF uses fewer chemicals, opting instead to use mechanical and environmental controls to alter the foam characteristics during production. The machinery used in the VPF method provides a Zero emissions rating, earning this method of pouring foam the California EPA award.

VPF creates a new standard of high-performance foam production, which has been patented and coined as Chamber Technology^SM.

BY USING FOAMEX FOAM IN OUR PRODUCTS, WE ENSURE THAT WE ARE PROVIDING THE MOST ENVIRONMENTALLY FRIENDLY FOAM PRODUCTS ON THE MARKET TODAY!