What standard must pipe insulation be tested in accordance with?

The correct standard for testing pipe insulation is ASTM E 84. This standard is crucial because it evaluates the surface burning characteristics of building materials, which includes insulation. It provides a measure of the flame spread and smoke development ratings of materials when exposed to a controlled flame for a specified period of time. These ratings are essential for ensuring that insulation materials meet safety requirements and are suitable for use in building construction.

Insulation products, particularly those used in mechanical applications, must adhere to the ASTM E 84 standard to guarantee that they do not contribute significantly to fire hazards. By demonstrating compliance with this test, manufacturers can ensure that their insulation products are safe for use in various environments. Thus, referencing ASTM E 84 is key in the design and construction practices to promote fire safety in mechanical systems.