Barymat BTMM-14C – Sound Absorber & Barrier


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Barymat BTMM-14C – Sound Absorber & Barrier

Barymat BTMM-14C is a versatile and durable noise barrier/vinyl absorption material. The composite consists of (from top down) a metallized mylar facing that has high contamination resistance and light reflectivity, 1.0 inch of acoustic urethane foam for sound absorption, a loaded flexible 1.6 lb. per sq. ft. mass loaded vinyl barrier for transmission loss and a 0.25 inch urethane foam decoupler. It is suitable for very dirty, wet or oily environments and can be exposed to direct spray.

Standard Sheet Thickness: approx. 1.25″ – overall composite thickness

Standard Sheet Size: 54” x 72”, untrimmed (27 square feet)

Applications: Noise Enclosure, Liner Engine & Generator Compartments, Marine Applications, ect.

Typical Physical Properties:

Composite: 1.8 lb. / sq. ft.

Flammability: MVSS 302 – Passes

Foam Density: ASTM D 3574-86 – 1.8 – 2.2 lb. / cu. ft.

Thermal Conductivity of Foam at 75°F (24°C): ASTM C518 – 0.27 Btu. in. / hr. ft² °F