NOISE ATTENUATING TRIM PART FOR A VEHICLE
DRIVE
December 8, 2022
Noise attenuating trim part for a vehicle comprising a pile layer, a bonding mass layer and a backing layer whereby the bonding mass layer is bonded to the adjacent layers whereby the bonding mass layer is comprising at least thermoplastic elastomeric polyolefin based compound material (TPO) with a filler content of at least 55%, and whereby the bonding mass layer has a density of between 1.4 and 1.75 kg/dm, a viscosity of less than 50.000 mPa.s and a MFI above 250 and whereby the bonding mass layer is adjacent the pile layer and partly penetrated into the lower area of the pile thereby binding the fibers and/or filaments and/or the tufts within the pile.
Discussion in the ATmosphere