Extremely thin and tear resistant. It's coated on both sides to facilitate accurate marking of all occlusal contacts. Bausch 40micron Micro-Thin Articulating Papers are extremely thin and tear resistant and are coated with liquid colors on both sides. These papers mark precisely because of the thin material false or smear contacts can thus be avoided. The special coating with liquid colors facilitates accurate marking of all occlusal contacts or occlusal interferences. Moist occlusal surfaces such as gold ceramic polished metal or acrylic which are difficult to examine do not pose any problem. The special color coating with liquid colors consists of many color-filled microcapsules. Even the slightest masticatory pressure can cause the capsules to burst and thus release the distinctly visible color.