Description:
Model PC composites, when attached to an enclosure or barrier, both increase its sound transmission loss rating, and increase its capability to absorb reverberant sound.
PC Composites are available as single composites and double composites. Single composites (PC 410 GOD and PC 410 GBD) are used to add damping to an enclosure and to increase absorption. Double composites (PC 410/410 GOD and PC 410/410 GBD) are used to add decoupled mass to an enclosure, increasing both absorption and transmission loss.
Kinetics single composites (PC 410 GOD and PC 410 GBD) contain mass barrier/damping sheets which can be attached to an enclosure or barrier to reduce vibration, thus increasing its transmission loss capability. The fiberglass absorption layer, either unfaced or with a black high-temperature facing, provides additional sound absorption on the noisy side of the enclosure or barrier.
Kinetics double composites (PC 410/410 GOD and PC 410/410 GBD) contain a 0.50 PSF (2.5 kg/m2) mass layer which is separated from the enclosure or barrier by a fiberglass decoupling material, which yields far greater sound transmission loss than could be achieved by adding mass directly to the barrier. The fiberglass absorption layer, with a black, high-temperature facing, provides additional sound absorption on the noisy side of the enclosure or barrier wall. To achieve the best structural strength, it is recommended that double composites be mechanically fastened to the barrier especially on vertical or overhead applications.
Kinetics double composites are most often used in the lining of enclosures around industrial process machines or as part of OEM components to reduce sound transmission. Kinetics fiberglass composites are available in 32" x 48" (813 mm x 1219 mm) sheets, and can be die cut or saw cut to customer-specified dimensions.
Application:
Model PC Fiberglass Composites are recommended for direct attachment to noisy equipment enclosures or cabinets. They are particularly effective when adhered to the inside of cabinets or enclosures surrounding a noise source. They are recommended for applications where high ambient temperatures may be encountered.
Because Model PC Composites contain a mass barrier, or damping sheet, they increase sound transmission class (STC) ratings of cabinets or enclosures.
Typical Applications:
- Interior lining of engine compartments
- Sheet metal equipment guards
- Light-gauge aluminum or metal ducts
- Electric motor-driven equipment enclosures
- Portable engine-generator cabinets
- Air compressor enclosures
- In-plant personnel booths