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How To Classify Pharmaceutical Glass Containers USP Type I II III? Jun 04, 2018

USP Type-Pharmaceutical glass containers can be classified as USP Type I, II, III

Type I-Borosilicate glass represents the least reactive glass.
Type I glass has the least pH shift. (Lowest leaching characteristics)

Coefficient of Expansion = 33 or 50 or 70

Type II - is de-alkalized soda lime glass with higher levels of sodium hydroxide and calcium oxide.

Type III - soda lime glass - cannot be autoclaved.

Coefficient of Expansion = 90