Part # BTMM-14C, Barymat BTMM-14C On Firwin Corp.

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	Part # BTMM-14C, Barymat BTMM-14C

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Barymat BTMM-14C is a versatile and durable noise barrier / absorption material. The composite consists of (from top down) a metalized mylar facing that has high contamination resistance and light reflectivity, 1.0 in. of acoustic urethane foam for sound absorption, a loaded, flexible 1.6 lb. per sq. ft. barrier for transmission loss and a .25 In. urethane foam decoupler. It is suitable for very dirty, wet or oily environments and can be exposed to direct spray.

Typical Physical Properties · Applications and Product Data · Performance Data · Transmission Loss

Typical Physical Properties

Thermal Conductivity of Foam at 75°F (24°C)		ASTM C 518 — 0.27 Btu. in. / hr. ft.² ºF

Flammability		MVSS 302 - Passes

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

Composite Weight		1.8 lb. / sq. ft.

Applications and Product Data

Uses		Noise Enclosure Liner Engine & Generator Compartments Marine Applications BARYMAT BTMM-14C is easy to apply and can be cut with common utility knives. For secure and permanent installations use specified adhesive - available from Flrwin Corp.

Thickness		Approx. 1.25 in. - overall composite thickness.

Standard Dimensions		Sheets: 54" wide X 72", untrimmed (27 sq. ft.) CUSTOM TRIMMING AND DIE CUTTING CAN BE PROVIDED

Performance Data

Performance data is an extract from NRC - Ottawa report on tests according to ASTM E 90-90 with material adhered to 16 ga. steel.

NOTICE: Stated performance data is based on recognized testing methods. Product performance can be affected by field conditions and installation methods. Users of these products are responsible for determining suitability for their application and compliance with any legal provisions including those relating to health and safety.

Transmission Loss

Frequency (Hz)	Transmission Loss (dB) BTMM - 14C
80	23
100	23
125	23
160	22
200	22
250	22
315	22
400	25
500	29
630	34
800	40
1000	45
1250	48
1600	51
2000	49
2500	48
3150	53
4000	56
5000	59
6300	59
STC	34

Part # BTMM-14C, Barymat BTMM-14C

Thermal Conductivity of Foam at 75°F (24°C)

Flammability

Foam Density

Composite Weight

Uses

Thickness

Standard Dimensions