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How Agricultural-Based Spray Foams Work

Posted by Becky Eades

Aug 4, 2015 11:30:00 AM

When you're discussing spray foam insulation with customers, the more ecologically minded ones may ask you an important question: "Is your spray foam an agriculturally based product?" If the spray foam materials for your construction projects are from NCFI, the answer is "yes." In fact, most commercial spray foam is made partially from agricultural materials and partially from synthetic chemicals.

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The Two Components of Spray Foam

Spray foam is generated when two compounds, the A-component and the R-component, are combined. A chemical reaction occurs between the two liquids, generating the foam. The A-component is a chemical called polymeric isocynate, which is always made from petroleum-based products and never agricultural ones. The other component, the R-component, is composed of several different ingredients including polyols, catalysts, flame retardants and blowing agents. Only polyols can possible be derived from agriculture products. The other components are all mineral and petroleum-based.

What Percentage is Derived from Agricultural Products?

This varies between products, with 20% being the maximum percent of a spray foam product that can possibly be composed of agricultural-based products. Most spray foams from NCFI are between 10 and 20% agricultural-based products. This represents the amount of polyol that is contained in the R-component.

What crops are used to make the spray foam?

This is another question that you may get from concerned homeowners after you explain that part of the spray foam is agricultural-based. Some of the polyols in the R-component are derived from soybeans. Sometimes sucrose from corn or sugar cane is used. In any case, the agricultural products used to make the polyol component of spray foam are renewable and natural.

If you're looking for agricultural-based spray foam and other materials for your construction projects, contact NCFI Polyurethanes, a leading supplier of education, materials and spray foam rigs.