PRESI alumina suspensions N1 (48h), 0,04 µ, 1L
Use: super-finishing of soft materials such as copper, lead, aluminium…
PRESI alumina suspensions N2 (24h), 0,3 µ, 1L
Use: finishing of copper alloys, nickel, brass, bronze, aluminium…
PRESI alumina suspensions N3 (12h), 0,8 µ, 1L
Use: finishing of hard steels and materials (finish suitable for direct observation or medium magnification).
PRESI alumina suspensions N4 (6h), 1 µ, 1L
Use: specially recommended for fine pre-polishing of all metals.