Chapter 6. Approaches to the Development of Container Compositions
- John B. Wachtman Jr
Published Online: 26 MAR 2008
Copyright © 1989 The American Ceramic Society, Inc.
Proceedings of the 49th Conference on Glass Problems: Ceramic Engineering and Science Proceedings, Volume 10, Issue 3/4
How to Cite
Mills, H. N. (1989) Approaches to the Development of Container Compositions, in Proceedings of the 49th Conference on Glass Problems: Ceramic Engineering and Science Proceedings, Volume 10, Issue 3/4 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470310533.ch6
- Published Online: 26 MAR 2008
- Published Print: 1 JAN 1989
Print ISBN: 9780470374849
Online ISBN: 9780470310533
Glass compositions for container production must meet a variety of criteria for manufacturing and end use performance. Examples include formability, ease of melting, color and light transmission characteristics, chemical durability, and cost. In developing container compositions, the glass technologist must be aware of these factors and also the raw materials available to produce the glass. Glass containers are usually manufactured from a soda-lime-silica composition modified to give the properties required. Lime and soda adjustments are made to give desired melting and forming characteristics. Iron, sulfur, and chromium are elements that impart color and influence ultraviolet and infrared light transmission characteristics. Chemical durability can be affected by levels of alumina and alkali. Final glass cost is also very important in the development of container compositions. The packaging industry is highly competitive and low product costs are vital. The choice and quantity of the raw materials used to make the glass play an important part in this aspect. In the final analysis, the glass composition selected should incorporate all the properties required to meet manufacturing and end use performance standards.
As pointed out in this discussion, the glass technologist must consider formability, ease of melting, visible color, ultraviolet and infrared transmission, chemical durability, and cost when developing a glass container composition. In the final analysis, the glass composition selected should incorporate all the properties required to meet manufacturing and end use performance standards.