27. Sound Testing

GAINA suppresses sound

Hitting a frying pan with hammer.

Ordinary frying pan
GAINA coated frying pan
Hammer
Sound meter

Result of hitting hammer sound was:
    Ordinary frying pan - 94.7 dB
    GAINA frying pan - 74.9 dB

    Reduction - 19.8 dB
 
     20 dB - 1/100 the power
       6 dB - 1/4 the sound

94.7 dB

74.9 dB