Resistenza chimica del vetro borosilicato SIMAX?/b>
 

valore max ammesso

valore misurato

classe

N?/font>

classe

N?/font>
Resistenza idrolitica a 98°C col metodo ISO 719 Alkali equivalenti
m g di Na2O/g di vetro

1

31

1

25
Resistenza idrolitica a 121 °C col metodo DIN 720 Alkali equivalenti
m g di Na2O /g di vetro

1

62

1

28
Resistenza agli acidi con il metodo ISO 1776 Media dei risultati
g di Na2O /100 cm2

1

0,7

1

0,3
Resistenza a soluzioni acquose bollenti con il metodo ISO 695 Perdita di massa dopo 3 ore sulla supeficie totale
mg/dm3

2

150

2

120

 

Composizione chimica del vetro SIMAX?/b>
SiO2 80,5% B2O3 12,5%
Al2O3 2,0% Na2O/K2O 4,5%
CaO/MgO 0,5%    
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