Crawford's Natural Blend Painter's Putty is a ready-to-use, multipurpose painter s putty for use on old and new wood only inside or out. Choice quality raw materials include blended, all refined natural linseed oils, water and dry ground calcium carbonates plus paint grade Titanium, In a step taken long ago toward environmental awareness, Crawford s Natural Blend Painter s Putty contains no white lead, asbestos, asbestos-like fibers, added silica or harsh chemical preservatives. Ready-to-use, multi-purpose, refined linseed oil-based material. Will not milk, fade or darken after application. Resistant to shrinking and cracking. Use on old and new wood surfaces. Clean up with soap and water. Allow to dry overnight before painting.