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AcoustiGuard – WILREP LTD. Barymat BTMM-14C

Barymat BTMM-14C is a versatile and durable noise barrier / absorption material. The composite consists of (from top down) a metallized 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.

Functions: Core Material

Core Type: Polyurethane Foam

Chemical Family: Polyurethanes (PU)

Technical Data Sheet

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Identification & Functionality

Chemical Family: Polyurethanes (PU)
Core Type: Polyurethane Foam
Composite Materials Functions: Core Material
Technologies: Composite Materials
Product Families: Composite Materials — Core Materials
Foam Cores
Thickness: BTMM-14C: Approx. 1.25 in. – overall composite thickness
Standard Dimensions: Sheet: 54” x 72”, untrimmed ( 27 sq.ft.)

Custom die cut can be provided

Features & Benefits

Materials Features: Contamination Protection,
Durable,
Excellent Flexibility,
High Reflectivity,
Highly Versatile,
Noise Damping

Applications & Uses

Markets: Automotive & Transportation
Applications: Automotive & Transportation — Transportation
Marine
Composites End Use: Engine Compartments,
Marine Applications
Uses: Noise Enclosure Liner

Engine & Generator Compartments

Marine Applications

BARYMAT BTMM-14C is easy to apply and can be cut with common utility knives.

Properties

Physical Form: Foam
Physical Properties
Flammability: MVSS 302-Passes

Technical Details & Test Data

Performance: 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