Glass material performance

Glass bottle material performance: The thermal expansion coefficient α specified in the new standard, 3.3 borosilicate glass and 5.0 borosilicate glass, are completely consistent with international standards. Low borosilicate glass is unique to China, and there is no such material in international standards. Soda lime glass ISO stipulates α= (8~10) ×10 (- 6) K(- 1),…