New York - Auralex Acoustics' Part Science Space Array and Space Coupler have recently passed the requirements of a Class B fire rating. Auralex's Space Array and Space Coupler have successfully passed testing in accordance with ASTM E84, a standard test for surface burning characteristics of building materials. The test calculates both smoke develop and flame spread. Additionally, the Space Array has recently passed acoustical testing in accordance with ISO 17497-1, a standard test method for sound scattering and coefficients. The Space Coupler is still undergoing final acoustical testing.