With fused edges. Manufactured from Duran borosilicate glass type 3.3 for maximum chemical and thermal shock resistance. Duran is a registered trademark of Schott AG.
| Sigma-Aldrich | |
|---|---|
| Product Category | Watch Glasses |
| Product Number | Z231576 |
| Product Name | Duran®Watch Glass |
| Diameter | 40 mm (1.57 inch) |
