This putty is great for filling large area in a short amount of time. Simply shine a UV light at the filled area for at least 1 minutes until the material harden, then it can be sanded and cleanup accordingly.
[As for all type of sanding, DO NOT breathe in the sanding dust.]
UV light NOT INCLUDED. UV light requirement: 395nm, 3W ~ 5W
The putty is wrapped in plastic wrap inside the tin can. You can unwrap it by flip it over.
Store in the original tin can and seal bag, keep in a cool area, and avoid any direct sunlight (which has **UV**).