The Science of Experience



Ever Wonder What SPF Is Made Of?

Posted by Emillie Lee

May 30, 2018 11:11:47 AM

When you're discussing spray foam (SPF) insulation with customers, the more ecologically-minded ones might ask an important question: what is in your spray foam? If the spray foam materials for your construction projects are from NCFI, the answer is nothing but the best raw materials including renewal agricultural resources.

Nortex 2

The Two Components of Spray Foam

Spray foam is generated when two compounds, the A-component and the B-component, are combined. A chemical reaction occurs between the two liquids, generating the foam through an exothermic reaction. 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 B-component, is composed of several different ingredients including polyols, catalysts, flame retardants, and blowing agents. The polyols can be derived from agriculture products, while 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 B-component. This chemical truth about polyols is why no SPF insulation can truthfully be called “bio or agriculturally-based,” since the word based means the majority of the ingredients.

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 in origin. Some of the polyols in the B-component are derived corn and or sugar beets. The agricultural products used to make the polyol component of spray foam are renewable and natural.

If you're looking for spray foam with a high degree of renewal ag resources for your construction projects, contact NCFI Polyurethanes, a leading supplier of high-quality materials, product and application education, and spray foam equipment.

Topics: NCFI