Ludwigshafen, Germany -- BASF’s flexible melamine foam Basotect is being used for overhead thermal and acoustic insulation in Bombardier’s new 468 Montreal subway cars.
Foam converter Artik/OEM Inc provides Bombardier with Basotect-based acoustic foam parts with a density of only 9 kg/m³.
Vice president of business development at Artik/OEM Jim Graham said: “The parts are supplied to the exact dimensions needed so that Bombardier can pressure fit them into the cavities of the car structure itself, increasing ease of installation and the overall speed of manufacturing.”
According to the BASF press release, using Basotect as an alternative to fibreglass resulted in a 35% weight reduction for the roof insulation. Its “unique” open-cell, fine foam structure creates “very good” sound absorption values in the medium and high frequency ranges, the press release added.
The base material makes it intrinsically flame-retardant, a property that aids the foam’s ability to meet the EN 45545-2 standards of train material componentry.