Danser, Inc., Parkersburg, West Virginia, has released the VacuductR brochure and technical data sheet detailing lightweight vacuum-formed ceramic fiber ductwork and insulation for flues, chimneys, ducts and exhausts of industrial kilns, furnaces, and combustion chambers. The insulation provides instant-on/instant-off thermal protection and withstands temperatures up to 2800¯F (1538¯C).