Micro-Fiber® Felt is manufactured using borosilicate glass fibers using a water deposition process that results in a lightweight, flexible, binderless felt with excellent handling qualities and superior thermal and acoustical performance.

Johns Manville Micro-Fiber® Felt is manufactured using Type 475 borosilicate glass fibers using a water deposition process that results in a lightweight, flexible, binderless felt with excellent handling qualities and superior thermal and acoustical performance. Micro-Fiber Felt is designed for the insulation of aircraft components and jet engine ducting and can be used as air and gas filtration media. It is available in a variety of densities and can withstand continuous exposure to hot face temperatures of up to 900°F (482°C).

Availability: Americas, United States, Asia, Canada, Europe
Type: Binderless Felt
Temperature Limit: 900°F
Density: 3.0 - 6.0 pcf
Thickness: .375" - 1.0"

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