Firwin Corporation
1685 Flint Road
Toronto, ON M3J 2W8
Tel: 416.745.9389 • Fax: 416.745.0782
Email: firwin@firwin.com • Website: www.firwin.com
All Categories > Stocked Insulation and Safety Products > Sound Attenuation > Part # BTMM-14C  


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

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





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