TIANYU ENTERPRISE Micro-perforated Acoustic Panel 88 Acoustic Series (Patented) Product Structure Tianyu Micro-perforated Acoustic Panel, a superb material with high sound absorption performance developed by Tianyu with intellectual property rights, has value up to NRC 0.85. It effectively reduces indoor reverberation time, making sound clearer and creating a more comfortable and sophisticated interior environment. High sound absorption value, NRC 0.85，effectively enhance sound effect Super micro-perforated finish for greater aesthetic elegance A2 according to GB8624-2012 standard Thermal insulation, energy saving Use for ceiling, wall, and acoustic blade, and a variety of colours available