Usage: packing, constration, shape: eggcrate, pyramid color: customer requirement fire retardant keep safe Certificate: Our foam ... , CA117, ROHS, REACH etc international certificate.Density: 20-80kg/m3Shape: pyramid, eggcrate, flat sheetFire retardant standard: UL, CA117, BS5852Hardness: 30-95Package ... our old and new customers to contact us! construction acoustic pyramid foam