When drying SFRM for density testing, what is the maximum allowable drying temperature?

The maximum allowable drying temperature for Spray-Applied Fire-Resistive Material (SFRM) during density testing is critical for ensuring the material's integrity and performance. When drying SFRM, the goal is to remove moisture without causing any detrimental effects such as alterations in the material's properties.

Choosing a temperature of 119 degrees Fahrenheit optimally balances the need for effective drying with the preservation of the SFRM's structural and thermal characteristics. At this temperature, the material can achieve the necessary conditions for accurate density measurement while minimizing the risk of damaging the fire-resistant properties.

Exceeding this temperature can lead to unintended changes in the composition and functionality of the SFRM, potentially leading to unreliable test results. Therefore, maintaining a maximum drying temperature of 119 degrees Fahrenheit ensures that density tests reflect the true performance of the fireproofing material, which is essential for compliance with safety and quality standards.