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

Which ingredients are typically found in the B-side (resin) of an SPF system?

Polymeric MDI and water only Polyols, catalysts, blowing agent, surfactant, and flame retardant Pure polyurea Silicone roof coating

Correct Answer:

Polyols, catalysts, blowing agent, surfactant, and flame retardant

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