General purpose crayon stick marker is made for a variety of industrial applications. made from a wax material and opaque pigments, it writes on most wet or dry, rough or smooth surfaces (except on wet glass). Properties: Waterproof, opaque and highly fade-resistant on most non-porous surfaces and easy to apply on both smooth and rough surfaces. Suitable for various surfaces, including PVC, tin, iron, wood, concrete, aluminium and glass. Removable from most non-porous surfaces through friction created by hard rubbing.
