(This is the suggested replacement for 2865-18 and 2885-18)
These 18×18 square No.1 Corning® cover glasses are made from Borosilicate glass and are 0.13 to 0.16mm thick.
Product Family Description:
Corning’s special, optically clear, water-white, borosilicate cover glass is resistant to surface attach or weathering and will remain clear for extended periods of time. Packed one ounce per pack and 10 packs per case.
The thickness of No. 1 squares is 0.12 mm to 0.16 mm.