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Table 1 Chemical composition of glass M1 and M3 expressed in wt% (mol% in brackets)

From: Potash-lime-silica glass: protection from weathering

 

SiO2

K2O

CaO

MgO

Na2O

Al2O3

P2O5

Glass M1

48.00 (53.16)

25.50 (18.01)

15.00 (17.80)

3.00 (4.95)

3.00 (3.22)

1.50 (0.98)

4.00 (1.88)

Glass M3

60.00 (62.27)

15.00 (9.93)

25.00 (27.80)