“…The measured melt rates for the frit standard were consistent with previous studies. IS1 2,10,18 0.8,0.8,0.9 0.8 IS2 3,11,19 0.8,0.8,0.9 0.8 IS3 4,12,20 0.8,0.8,0.7 0.8 IS4 5,13,21 0.7,0.7,0.8 0.7 IS5 6,14,22 0.8,0.8,0.9 0.9 IS6 7,15,23 0.7,0.8,0.7 0.7 IS7 8,16,24 0.5,0.7,0.6 0.6 418 1,9,17 0.5,0.5,0.6 0.5 Frit Standard A,B,C,D 1.6,1.6,1.5,1.6 1.6 The results in Table 3 …”