Society of Glass Technology · [Sheffield] · leaf 136
ais displaced, whilst at the highest temperatures attained the reverseis true, just as was the case with the soda-lime glasses. Thesetemperature intervals are given below in Table XI. VISCOSITY OF GLASS NEAR ITS ANNEALING TEMPERATURE. 39 Table XI.Temperature Intervals to Double the Mobility. 1.… … 480 520 560 600 640 Temperature.Fig. 10. 680 720 760 These figures show remarkably close agreement with the figuresfor similar soda-lime glasses, and throughout this range of tem-perature the curves for the mobility of similar soda-lime andsoda-magnesia glasses run practically parallel with each…
Glass
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