Dow Building Materials, a business unit of The Dow Chemical Co., has announced the Trymer 2000 polyisocyanurate pipe insulation, a closed-cell, high-performance insulation for pipe, vessel, equipment and duct applications. With a low K-factor and excellent dimensional stability over a broad temperature range, it can be used in a variety of applications, including commercial pipe systems with temperatures in the range of 35 degrees to 300 degrees F. Dow Building Materials.