Borosilicate glass Flashcards
1
Q
What are the characteristics of borosilicate glass?
A
~ B2O3 added in lieu of Na2O
~ glass melts at temps near those of soda lime, but lower alkali content = chemical durability (Na+ tied up as CHARGE COMPENSATORS)
~ composition is selected to be at the CTE MINIMUM fo the borate anomaly
~ good thermal shock resistance
2
Q
What is borosilicate glass known as?
A
~ pyrex
~ used in cooking/baking ware
~ used at Savannah River site