Stadea PPW182E Diamond Polishing Pads 4 Inch Wet Dry Set for Granite Quartz Concrete Marble Stone Countertop Polishing
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It belongs to the K series.
The roughest grit is grit 30, but diamond pads may not be suitable for mastic.
It is determined by the roughness of the surface, the hardness of the surface, and a variety of other factors. 50 to 150 SFT is a good rule of thumb. If the surface is too rough, use the lower grit 50, 100 pad, even if it only covers 50 SFT.
This is for wet polishing quartz and granite slabs, and it does a fantastic job. For chips on tile, I would use a tile stone, which I have used for over 25 years.
Selected User Reviews For Stadea PPW182E Diamond Polishing Pads 4 Inch Wet Dry Set for Granite Quartz Concrete Marble Stone Countertop Polishing
I just received these a little over an hour ago and must say they were well worth the money. I cut a used granite top and needed to polish one side, so I sanded it a couple of times with my belt sander, then used my cordless angle grinder and started with the lowest number pad and worked my way up, my grinder doesn't have variable speed, so I just went back and forth 3 to 4 times making sure I didn't overheat the pads, and in 15 minutes or less I went from a circular saw cut to a factory looking polished surface.
The image is self-explanatory. The center whiteout outlined in this test was polished with this Stadea kit to 1500 grit diamond @ 3500rpm with water with a standard commercial variable speed angle polisher, using a factory prepared piece of black galaxy granite ground to 3000 grit diamond on a commercial machine. This kit polishes the right outlined area to 6000 grit - and for more than 5 minutes in this small watery area. Starting with 400, 800, and 1500 for both tests, polishing progressed. 3000, then 6000 were added to the right-hand area. So it's clear that the Stadea diamond couldn't replicate a factory shine that was only done to 3000 grit, even with a lot of time. br>Either there is very little diamond in these pads, or it isn't diamond at all, but some other type of stone grit. I have no way of proving it either way. All I know is that they made me work extremely hard for very little in a very small space. I can't imagine using these to cover an entire counter top. It'd take a very long time - THAT IS, IF THE PAD LASTS THAT LONG. br>I'm going to return them to you.
The surface is scratched, stained, and acid etched from years of use. Starting with 200, I worked my way up to 8000. It was a lot of work, and the white slurry that flew off the disks was quite messy. I made an aluminum ring from 2" and 18" dia. thin sheet stock. to keep the mess under control With the last two disks, I switched from a slow speed drill to finishing by hand. For the very last step, I switched back to a drill and used Dupont 7 fine polishing compound. We've got a mirror finish now.
As a result, I was able to make a vanity counter top and backsplash out of scrap granite from our kitchen. I was able to easily flatten and polish the rough edges of the granite using a 50 grit sandpaper and a cheap harbor freight variable speed polisher, and if I had realized how well this worked, I would have attempted an undermount sink installation. At the end of the day, I saved more than half of what it would have cost me if I had bought it commercially, and I now have the tools I need for future projects.
michaelBuilds, thank you for your help. The angle grinder is too fast; instead, I purchased a Harbor Freight variable speed waxer/polisher, which worked perfectly. br>br>I started with an ultra aggressive grinding plate and then switched to the lowest grit in this set with the angle grinder.
I didn't want to wait two weeks for him to come back, so I used these pads to level the seam and make the backsplash level. It performs admirably.
They were used on concrete counters. The diamond grit is effective, but the Velcro fibers on a few of the discs lost adhesion before they were used up, allowing them to fly across the room. The 50 grit removes the majority of ruff spots, while the 100 and higher grits polish the surface further.
It was simple to work with. It would be helpful if there was a step-by-step guide on what grit to use or start with when polishing granite, marble, or other hard surfaces.
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