Check the listing for details. 1301 Microscope Slides 1/2 Gross (72 Each) Ground Edge 90° Corners 25x75x1mm. Color: Clear, Condition: New – Open box, Made in China. Listed at 15.98 USD. 1301 Microscope Slides 1/2 Gross (72 Each) Ground Edge 90° Corners 25x75x1mm PRODUCT DESCRIPTION 1301 Microscope Slides 1/2 Gross (72 Each) Ground Edge 90° Corners 25x75x1mm Be made of G3.3 borosilicate glass. This borosilicate glass with low linear coefficient of expansion is ideal choice for fabricating laboratory glassware. Annealing Point ------560C Linear Coefficient of Expansion ------ 32×10-7/C Softening Point ------820C Globe SCIENTIFIC INC. Highest quality soda lime glass All slides are pre-cleaned and ready to use 90º corners, ground edges Globe Scientific's classic microscope slides are produced from the highest quality soda lime glass and are ideal for use in all routine applications. These slides provide excellent quality while offering substantial savings. The slides are available in plain, frosted and color-coded varieties.