F frequency_ New member Jan 8, 2006 #1 i have this material on my ceiling, and i m trying to find its absorption coeficients, im not sure what its made of but it seems like compresed parer. its 12mm thick (0.5") Is anyone familiar with this material and its absorbtion coeficients? thanks Attachments 1.webp 20.5 KB · Views: 36 2.webp 8.4 KB · Views: 34 3.webp 6.5 KB · Views: 32
i have this material on my ceiling, and i m trying to find its absorption coeficients, im not sure what its made of but it seems like compresed parer. its 12mm thick (0.5") Is anyone familiar with this material and its absorbtion coeficients? thanks
