Application of special tempered glass of good chemical resistance as well as exceptional purity and uniformity assures a high safety level.
| GLASS TYPE | MAX.WORKING TEMP. | THERMAL EXPANSION COEFFCIENT |
| FLOAT | 90º C | 9,0·10-6 /K |
| TEMPERED FLOAT | 280º C | 9,0·10-6 /K |
| BOROFLOAT | 450º C | 3,3·10-6 /K |
| TEMPERED BOROFLOAT SG |
340º C | 4,0·10-6 /K |
| CERAMIC GLASS | 700º C | -3,3-0,15·10-6 /K |
| QUARTZ GLASS | 1100º C | 5,3·10-6 /K |