Quartz coverslips, square

There are many applications that require slides and coverslips that have absolute UV transparency, and high temperature properties.  These are the highest quality, clear fused quartz  coverslips to meet  these requirements.

  • The window of highest transparency to UV is between 0.15µ to 5µ
  • Typical flatness measured 2 to 4" bands per inch
  • Soften point is about 1250°C
  • Thickness No.1 = (0.15-0.18mm); No. 2 (0.2mm)

Technical Data

Updated: 04-06-2026
Code Thickness Size Pack Size Availability Price Updated: 04-06-2026
EMS72256-02 No.1 25 x 25mm, +/-0.1mm Each Leadtime:3 weeks $87.00 AUD
EMS72256-07 No.2 25 x 25mm, +/-0.2mm Each Leadtime:3 weeks $142.00 AUD
EMS72256-08 No.1 25 x 25mm, +/-0.15mm Each Leadtime:3 weeks $182.00 AUD

* Availability Explanation

X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.

In Stock – Plenty of stock on the shelf, ready to ship.

No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.