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NRC - Noise Reduction Coefficient

The higher the rating, the more sound absorbed by the material.

  1" Contour Tiles 2" Contour Tiles 3" Contour Tiles 4" Contour Tiles
125 HZ 0.14 0.20 0.25 0.39
250 HZ 0.17 0.29 0.47 0.61
500 HZ 0.36 0.66 0.83 0.91
1000 HZ 0.47 0.80 0.82 0.79
2000 HZ 0.51 0.89 0.92 0.95
4000 HZ 0.61 1.02 1.04 1.03
Overall NRC 0.40 0.65 0.75 0.80

  1" Pyramid Tiles 2" Pyramid Tiles 3" Pyramid Tiles 4" Pyramid Tiles
125 HZ 0.14 0.19 0.24 0.28
250 HZ 0.13 0.22 0.29 0.39
500 HZ 0.31 0.45 0.55 0.74
1000 HZ 0.43 0.55 0.56 0.69
2000 HZ 0.46 0.60 0.61 0.75
4000 HZ 0.54 0.76 0.85 0.96
Overall NRC 0.35 0.45 0.50 0.65

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VADCON, Inc.
PO Box 92414
Rochester, NY 14692
Phone: 800-899-9855
Fax: 888-686-4686

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