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Sound Attenuation
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Item # BV-14C
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Item # BV-14C, Barymat BV-14C
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Barymat BV-14C is a composite noise barrier / absorption material protected with a perforated vinyl film facing. The composite consists of (from top down) perforated vinyl for scuff, wear and contamination resistance, 1.0 inch of acoustic polyurethane foam for sound absorption, a filled, flexible 1.6 lb. per sq. ft. barrier for transmission loss and a .25 inch poly urethane foam decoupler layer. It is suitable for moderately dirty environments where it is not exposed to contaminants such as direct oil or water spray.
Applications and Product Data
·
Performance Data
·
Typical Physical Properties
·
Transmission Loss
Applications and Product Data
Uses
Noise Enclosure Liner
Engine Compartment Liner
Wall Barrier-Absorber
BARYMAT BV-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 DIE CUTTING CAN BE PROVIDED
Performance Data
Performance data is an extract from NRC - Ottawa report on tests according to ASTME 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.
Typical Physical Properties
Flammability
MVSS 302 - Passes
Foam Density
ASTM D 3574-86 — 1.8 - 2.2 lb. / cu. ft.
Composite Weight
1.9 lb. / sq. ft.
Thermal Conductivity of Foam at 76°F (21°C)
ASTM C 518 — 0.27 Btu. in. / hr. ft.² °F
Transmission Loss
Frequency (Hz)
Transmission Loss (dB) BV - 14C
80
22
100
23
125
22
160
22
200
22
250
22
315
22
400
27
500
32
630
35
800
40
1000
44
1250
47
1600
51
2000
50
2500
48
3150
53
4000
56
5000
59
6300
59
STC
34
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