​Negative Ion Gypsum Board – Key Features:​​ ​Air Purification:​​ The high-density core is infused with negative ions, which adsorb harmful pollutants and chemically break down formaldehyde into harmless CO₂ and water. ​Superior Acoustics:​​ Provides enhanced sound absorption and improved noise reduction for a quieter space. ​Wide Applicability:​​ Perfect for a variety of settings including homes, KTVs, conference rooms, and movie theaters.