McMaster-Carr logo
    Thickness
    Thickness
    default
    1"
    1 1/2"
    Color
    Color
    Gray
    Black
    Sound Absorbed
    Sound Absorbed
    65%
    85%
    Specifications Met
    Specifications Met
    ASTM C423
    ASTM E84 Class A
    ASTM E90
    Noise-Reduction Coefficient (NRC)
    Noise-Reduction
    Coefficient (NRC)
    0.65
    0.85
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
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    14 Products