chapter  3
Glasses Physical Properties
Pages 42

SiO2-Na2O glass 15% mol Na2O 64.4 Room temp. 20% mol Na2O 62.0 Room temp. 25% mol Na2O 56.9 −196°C 25% mol Na2O 61.4 Room temp. 25% mol Na2O 53.9 200-250°C 30% mol Na2O 60.5 Room temp. 33% mol Na2O 54.9 −196°C 33% mol Na2O 60.3 Room temp. 33% mol Na2O 51.0 200-250°C 35% mol Na2O 60.2 Room temp. 40% mol Na2O 51.9 −196°C 40% mol Na2O 46.1 200-250°C

SiO2-PbO glass 24.6% mol PbO 47.1 30.0% mol PbO 50.1 35.7% mol PbO 46.3 38.4% mol PbO 52.8 45.0% mol PbO 51.7 50.0% mol PbO 44.1 55.0% mol PbO 49.3 60.0% mol PbO 43.6 65.0% mol PbO 41.2

SiO2-B2O3 glass 60% mol B2O3 23.3 65% mol B2O3 22.5 70% mol B2O3 23.5 75% mol B2O3 24.1 80% mol B2O3 22.8 85% mol B2O3 21.2 90% mol B2O3 20.9 95% mol B2O3 21.2

B2O3 glass B2O3 glass 17.2-17.7 Room temp. B2O3-Na2O glass

10% mol Na2O 31.4 15°C 20% mol Na2O 43.2 15°C 25% mol Na2O 53.7 15°C 33.3% mol Na2O 59.4 15°C 37% mol Na2O 57.1 15°C

Source: Data compiled by J. S. Park from Handbook of Glass Data, Part A and Part B, O. V. Mazurin, M. V. Streltsina, and T. P. Shvaiko-Shvaikovskaya, Copyright 1983, Elsevier.