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¦Egood used NBR sealing strip instead of PVC materials so it is more wear -resistant, anti-aging, unbreakable.
¦ 55kg/m3 high density glass wool to get higher soundproof performance.
¦ Basic MDF face - Standard 9mm -12mm thickness for superior acoustic performance
link:https://www.egmovablewall.com/movable-partition/school-classroom-writting-white-board-sliding.html
School Classroom Writting White Board Sliding Partition Wall