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Charts

SCC-8

Random Incidence Sound Absorption

Frequency ( Hertz )

Model Number 125 250 500 1000 2000 4000 NRC
SCC-8 .12 .47 .85 .84 .64 .62 .70

SCC-9

SOUND ABSORPTION (HZ) PER ASTM C423

Model Number 125 250 500 1000 2000 4000 NRC
SCC-9 .19 .99 .96 .80 .57 .33 .85

SOUND TRANSMISSION LOSS (HZ) PER ASTM E90-75

Model Number 125 250 500 1000 2000 4000 STC
SCC-9 6 11 15 20 25 32 19*

SCC-10 SCC-11

SOUND ABSORPTION (HZ) PER ASTM C423

Model Number 125 250 500 1000 2000 4000 NRC
SCC-10 & SCC-11 .18 .62 .89 .84 .60 .45 .75

SOUND TRANSMISSION LOSS (HZ) PER ASTM E90 & E413

Model Number Barrier 125 250 500 1000 2000 4000 STC
SCC-10 1 lb. 12 16 27 40 44 43 29
SSC-11 2 lb. 19 22 28 40 56 61 33

SCC-15

SOUND ABSORPTION (HZ) PER ASTM C423

Model Number 125 250 500 1000 2000 4000 NRC
SCC-15 .46 .94 .85 .64 .47 .33 .75

SOUND TRANSMISSION LOSS (HZ) PER ASTM E90 & E 413

Model Number 125 250 500 1000 2000 4000 STC
SCC-15 9 14 19 21 27 34 21

SCC-12 SCC-13

SOUND ABSORPTION (HZ) PER ASTM C423

Model Number Thickness 125 250 500 1000 2000 4000 NRC
SCC-12 1″ 0.12 0.47 0.85 0.84 0.64 0.62 0.70
SCC-13 2″ 0.07 0.27 0.96 1.13 1.08 .99 .85

SOUND BLOCKING PERFORMANCE (HZ)

Model Number Thickness 125 250 500 1000 2000 4000 STC
SCC-12 1″ 11 16 24 30 35 35 27
SSC-13 2″ 13 20 29 40 50 55 32

scc-16 scc-17 scc-18

SOUND ABSORPTION (HZ) PER ASTM C423

Model Number Thickness 125 250 500 1000 2000 4000 NRC
SCC-16 1″ 0.18 0.68 0.74 0.72 0.42 0.29 0.65
SCC-17 2″ 0.45 0.96 0.87 0.66 0.47 0.28 0.75
SCC-18 4″ 0.67 1.05 0.97 0.84 0.86 0.52 0.95

SOUND TRANSMISSION LOSS (HZ) PER ASTM E90 & E413

Model Number Thickness 125 250 500 1000 2000 4000 STC
SCC-12 1″ 15 17 28 40 45 52 29
SSC-17 2″ 14 20 32 41 42 41 33
SSC-18 4″ 16 21 30 41 52 56 34

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