Square Glass coverglasses are manufactured from optical quality borosilicate to the highest standards and are optically clean and ready for use. Supplied in boxes of 100.
| Thickness guide: | |
| 1 | 0.13 - 0.16 mm |
Most microscope objectives are corrected for a coverglass thickness of 0.17mm, corresponding to no. 1½ coverglasses.
| Refractive index (as delivered) | ne 1.5255 ± 0.0015 |
| nD 1.5230 | |
| Abbe coefficient | Ve 55 |
| Mean coefficient of thermal expansion | α(20 - 300°) 7.2 x 10-6 K-1 |
| Softening temperature | 736°C |
| Density | 2.51 g/cm3 |
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