Model: SMC641925
Sound Controlling BlockProperties:
A light, rigid item composed of one or more kinds of granule and/or fiber with binder added, compressed to the desired density, and dried. It may be with or without surface coating and/or perforations or voids to be exposed to the noise area to entrap and dissipate sound energy, and is rated for this use. It is provided in lengths up to and including 36 inches (914.4 mm).
Part SMC641925 NSN 5640-00-252-2321
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 6806900050
- SITC: 66353
- End Use: Shingles, molding, wallboard
- NAICS: 327993
- USDA: 1
Freight Class: Mixtures and articles of heat-insulating sound-absorbing mineral materials, nesoi
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