Delasco DPSA/S Slides with Pressure Sensitive Adhesive, Box of 40Pressure sensitive adhesive is applied to slides making ready to use pre coated slides with peel off backing. To use, peel off the backing, and press to area to be examined. A thin layer of cells with any hyphae will adhere to the slide which can then be stained with any of our fungal stains. Box of 40 slides. Delasco Slides with Pressure Sensitive Adhesive do not require a MSDS due to it either being inherently non toxic or is non toxic in the form,