Coverslip The material used for SPL Coverslips is FLux film, exhibiting superior cell attachment with optimal thickness for high resolution microscopy. Surface muaterials for Coverslip FLux: surface modified plastic film (188 um thick), optimal for confocal microscopy * Resistant to breakage and various solvents * Suitable for specimen preparation under optical microscopy * Non-autoclavable * Non ? pyrogenic * Non ? cytotoxic * DNase / RNase ? free * Human DNA ? free