Here you will find some technical data.
For other technical information, please contact us.
TECHNICAL INFORMATION HOLLANDFELT
Sound absorption is the conversion of sound energy into heat. The sound then disappears into the material. The amount of absorption is a property of a material and is expressed by the absorption coefficient (α). The absorption coefficient has a value between zero (no absorption, all sound is reflected) and 1 (complete absorption, no sound is reflected - open window). Below you will find the technical reports on the absorption per thickness.
Some colours can be affected by UV from sunlight.
In the table below you can see per color how colorfast they are. 1 is the least colourfast and 8 is the most colourfast.
Our wool felt can be punched and cut in all kinds of shapes. Would you like us to punch your wool felt in circles? We have these circular dies in house:
STOCKLIST CIRCULAR CUTTING DIES
