LASTS WITH SUSTAINABLE DETERGENT RESISTANCE

摘要

P Transparent glass with exceptional resistance to attack by detergents, with a softening point exceeding 770 degrees C and a coefficient of expansion 20 - 300 degrees C between approximately 65 and 75 x 10 ** - 7 / degrees C. It is essentially formed, in percentages by weight relative to the oxides and calculated from the batch, of: /P