Elephant brand Gypsum Boards-echoBloc o ffer superior sound absorption , with circle and square stencil s backed with a coustic al panels - Glass matt , qualified to 0.65-0.86 NRC .

Acoustic performance testing in ac c ordance with NF EN 20354 and ISO/DIS 11654

Suitable to ceiling boards and wall boards required good acoustic performance and newly luxury feeling , such as multimedia room s , chatting areas and large areas including hotels, shopping center s, airp orts and etc.