This air dry product offers great performance and may be used for car repainting, to correct small imperfections on the primer layer, such as porosity or sanding lines, etc. It is easy to apply, dries quickly and is soft when being sanded. Applied on AllChem primers it exhibits excellent adherence. 100-105 putty must not be applied on bare metal sheets or coatings (lacquer, enamel, etc.).

The best use of 100-104 Concealer paste is to conceal major imperfections such as dents or slopes on the substrate. 100-104 concealer paste is a product made of two components which may be used at the tinsmith or refurbishing shop on metallic, wood and other surfaces, and other hard plastics. Its microspheres provide a smooth layer for sanding and keep the finishing form bleeding.
100-104 Concealer paste must not be applied on a primer or coating (lacquer or enamel, etc.), non-ferrous metals, flexible plastics or baking surfaces, as this would bring about  defects on the adherence of the material.

This is a two-component paste which contains fiberglass filaments. This makes it ideal for repairs with fiberglass; nonetheless it also shows good adherece on metal, concrete, wood and some hard plastics.