Cover slides, square and rectangular

Thickness 1 mm. borosilicate glass transp. In accordance with ISO 8255-1, borosilicate glass transparent of hydrolytic class 1. Thickness No. 1 (0.13-0.16 mm). In the visible spectrum area absorption-free, optically pure, free of undulations, vesicles and stripes. High chemical resistance. Even when used in the nearby UV range (e.g. 365 nm) without disturbing own fluorescence. Refractive index 1.5230. Square and rectangular