May contain trace impurities of Si, Fe, Mg and Na.
Many laboratories use these tabs for SEM in a large diversity of applications. Refrigeration will increase shelf life but a warm up period of one hour is then required before use.
Tabs consist of a carbon fiber mat impregnated with carbon filled acrylic adhesive. There is no internal carrier film.
The tabs are highly electrically conductive and suitable for SEM or EDX applications.