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: | |
1½ | 0.16 - 0.19 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 |