Microscope Slide Super PAP Pen, 4mm tip

This provides a thin film-like barrier when a circle is drawn around a specimen. The barrier creates the proper surface tension to hold antibody solution within the target area on a slide. The Super PAP pen is effective for immunology staining by PAP methods, ABC method, frozen section methods & fluorescent antibody methods. Two specimens, separated by two circles, can be applied to the same slide. The hydrophobic circle drawn by the Super PAP Pen is designed to withstand temperatures up to 120°C and can be applied directly to wet slides. The Super PAP Pen has a 4mm tapered tip and provides over 800 applications.