Size: 3", 4"
Grit size: 60~3,000#, Buff(white), Buff(Black)
Tech specs:
- Nanomaterials wet diamond pads guarantee the extremely long life and high efficiency polishing cause of super fine powder.
- No scratch be left on the stone cause of new production control procedure.
- No color be left on the stone cause of new bond.
- RPM: 5,000~11,000r/min
- Glossy: 100~110 deg
- Approved by European client which is of top quality diamond tool manufacturer in Europe.
Tech table:

	Normal material	Nanomaterial
speed	10~11g/min	14~15g/min
life	1:600	1:1100
wet	OK	OK
dry	NO	OK
buff	NO	OK

* The comparision test for the polishing pads between RobtoL and one company form Germany.

company	test report
	pad's weight before polishing (g)	stone weight before polishing (g)	pad's weight after polishing (g)	stone weight after polishing (g)	polishing ratio
Company from Germany	37	4281	35	4270	5.50
RobtoL	26	2426	23	2013	137.66

Update: Mar. 26, 2010