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Silicon wafers with 100nm of silver coating

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Glass coverslips

Our premium quality coverslips made from optically clear and specially formulated borosilicate glass. The main application is as microscopy cover glass with other applications, including use as a thin film substrates and coating test glass.

Available in thickness #1 (0.13-0.17) in four sizes: 18 x 18mm, 22 x 22mm, 24 x 40mm and 24 x 50mm. Supplied in single packs or boxes of ten packs (sealed in barrier foil).

Related products:

Glass slides

 

Product # Type Thickness Dimensions Slide material Precleaned Packaging
51-002218-1 Square #1 0.13-0.17mm 18 x 18mm Borosilicate glass Yes Pkt/100
51-002218-10 Square #1 0.13-0.17mm 18 x 18mm Borosilicate glass Yes Box/1000
51-002222-1 Square #1 0.13-0.17mm 22 x 22mm Borosilicate glass Yes Pkt/100
51-002222-10 Square #1 0.13-0.17mm 22 x 22mm Borosilicate glass Yes Box/1000
51-002224-1 Rectangle #1 0.13-0.17mm 24 x 40mm Borosilicate glass Yes Box/1 ounce (~86)
51-002224-10 Rectangle #1 0.13-0.17mm 24 x 40mm Borosilicate glass Yes Box/10 ounce (~860)
51-002225-1 Rectangle #1 0.13-0.17mm 24 x 50mm Borosilicate glass Yes Box/1 ounce (~67)
51-002225-10 Rectangle #1 0.13-0.17mm 24 x 50mm Borosilicate glass Yes Box/10 ounce (~670)

 

Parameter Value/unit
Light transmission, total solar 92.5%
Refractive index 1.5255 at 546.07nm
Density 2.51 g/cm3
Hardness 6 Mohs scale
Coefficient of expansion 3.3 x 10-6 /°C
Poisson’s ratio 0.208
Strain Point 529°C
Annealing temperature 557°C
Softening temperature 736°C
Liquidus temperature 820°C

Compound

Wt%

SiO2

64.1

B2O

8.4

Al2O3

4.2

Na2O

6.4

K2O

6.9

ZnO

5.9

TiO2

4.0

Sb2O3

0.1

Glass coverslip ordering information: