SPFA SPF Installer Practice Questions - SPFA Spray Polyurethane Foam (SPF) Installer Certification Exam

In a two-component spray polyurethane foam (SPF) system, what chemical family makes up the A-side (ISO) component?

Polyol resin blend Isocyanates (typically polymeric MDI) Blowing agent only Silicone surfactant

Correct Answer:

Isocyanates (typically polymeric MDI)

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