Society of Glass Technology · [Sheffield] · leaf 443
the heat which would escape from an uncovered pipe.Silicate cotton or slag wool is an efficient lagging material, butwhen subjected to vibration is reduced to half its original volume.Furnace settings are chiefly lagged with very light, porous silicabricks having a honeycomb structure and a density… … FUELS, REFRACTORIES, AND FURNACES. 65 bolic, so that complete insulation is impossible. For a tempera-ture of 400° F. (204-5° C), covering more than 1^ in. thick is oflittle additional value. Above 400° F. a thickness of 2 in. isnecessary. Where an acid-resisting lagging is required,…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
