Microlite® B

Johns Manville Microlite® B is a lightweight, flexible blanket manufactured using flame-attenuated borosilicate glass fibers and bonded with a thermosetting phenolic resin. The flame-attenuated process used in the manufacture of Microlite B provides uniformly distributed glass fibers with low heat transfer characteristics, excellent acoustical performance and high tensile strength. The resilient glass fibers prevent vibrational settling. Microlite B blankets are designed for applications where temperatures do not exceed 450°F (232°C).

Product Attributes

Mold Resistant Thermal Acoustical Fire
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