Marienfeld specimen slides are produced with soda-lime glass - Refractive index 1.52 - hydrolytic class 3, in accordance with ISO 8037/1 and are subject to strict quality control during and after the production cycle.
The slides are ready to use, carefully pre-washed and degreased through automated multi-processes; no surfactants are used, in this way a wettable surface free of any chemical residue is achieved.
Autoclavable.