Soda-lime borosilicate glasses

For the hard borosilicate glasses and the soda-lime-silica glasses this if around 0-0025 cal °C" cm sec. For vitreous silica (Vitreosil) in the transparent form it is 0-0025 up to 500°C, and 0-0035 from 500 to 1000°C for the translucent form it is 0-0033. 

Type I, a borosilicate glass Type II, a soda-lime treated glass Type III, a soda-lime glass... 

There are many different types of glasses made that can have an impact of the photodegradation of pharmaceuticals and their testing results. Among these types are fused quartz, soda-lime, borosilicate (e.g., Pyrex) and a variety of colored glasses. These glasses come in a variety of different shapes such as float, sheet, plate, and cylinder blown glass. They may be chemically treated, coated or laminated with plastic, clear or tinted. 

As mentioned earlier, the focus in this entry is on soda-lime silica glasses and borosilicate glasses. 

Fig. 2 Viscosity versus temperature characteristics for various glass compositions [7]. 1, Fused silica 2, 96% silica 3, soda lime (plate glass) 4, lead silicate (electrical) 5, high-lead 6, borosilicate (low expansion) 10. aluminosilicate...

Figure 11.1. Infrared spectra of vitreous silica, a commercial soda-lime-silica glass and a sodium borosilicate glass (curves are offset for clarity)...

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