Society of Glass Technology · [Sheffield] · leaf 345
on. Glass No. SiO,. A1203. CaO. MgO. Na20. Fe203. Density 458 73-98 7-10 7-10 trace 11-66 0-10 2-4421 459 74-25 5-23 7-91 006 12-72 0-07 2-4498 460 7413 2-67 9-74 0-09 13-54 0-09 2-4655 10 74-59 0-45 10-38 0-30 14-22 0-21 2-4840 Glass No. 10 may be considered as the parent glass, from whichNos.… … 0 12 3 10 11 12 13 14 Molecules per cent, of CaO, MgO, or A120 The data for the sodium-aluminium trisilicate glasses are illus-trated further in the following diagrams, in which the relationshipbetween molecular composition and density (Fig. 1) and percentagecomposition and density (Fig. 2) are set…
Glass
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