Environmental Noise Control’s Quiet World STC-27 Industrial Acoustical Barrier Blankets are manufactured using state-of-the-art acoustical composite materials with an engineered design.
ENC’s Quiet World STC-27 Industrial Acoustical Barrier Blankets are designed to provide optimum sound control for blocking & absorbing unwanted noise. They have been tested by an independent acoustical laboratory per ASTM E-90 and ASTM E-413 requirements and have a verified sound transmission loss.
Quiet World STC-27 Industrial Acoustical Barrier Blankets are fabricated with a proprietary polyvinyl-chloride (PVC) coated outer shell, layers of noise-absorbing and blocking material, and an engineered inner core with multiple X-5 septum barrier layers.
About the Quiet World STC-27 Acoustic Blanket
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Specs
- Sound Transmission Class rated in accordance with ASTM E-413
- Working Temperature: -40°F to +200°F
- Flame Resistant, Oil Resistant, UV Resistant, Fiber-Free, Anti-Fungal, Self-Drying Poly-Vinyl Chloride Outer Shell with specifically developed inner core septum barrier
- Available in five sizes 8 feet wide by 8, 10, 12, 15, and 20 feet tall
- Grommet and/or hook-and-loop fastening options are available
- Indoor and Outdoor use
- Long outdoor life
STC-27 Sound Transmission Loss (dB)
| % Octave Band Center Frequency | STC-27 Transmission Loss | % Octave Band Center Frequency | STC-27 Transmission Loss |
|---|---|---|---|
| 63 Hz | 11 dB | 630 Hz | 30 dB |
| 80 Hz | 14 dB | 800 Hz | 31 dB |
| 100 Hz | 16 dB | 1000 Hz | 32 dB |
| 125 Hz | 12 dB | 1250 Hz | 34 dB |
| 160 Hz | 12 dB | 1600 Hz | 37 dB |
| 200 Hz | 11 dB | 2000 Hz | 41 dB |
| 250 Hz | 12 dB | 2500 Hz | 45 dB |
| 315 Hz | 16 dB | 3150 Hz | 48 dB |
| 400 Hz | 22 dB | 4000 Hz | 52 dB |
| 500 Hz | 26 dB | 5000 Hz | 56 dB |