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Robert Lazar
Reviewed in the United States on March 4, 2025
A joy to use. Will buy again.
Don B.
Reviewed in the United States on February 21, 2024
Great product, fast shipping.
Rascal Nick Of
Reviewed in the United States on October 30, 2024
I think I really like this product, but I was supposed to receive all 50% concentration syringes, as noted on all syringes on the listing’s landing page and only 5/15 I received had those labels. I felt ready to chalk it up to a new label but I had purchased a significantly less expensive set of diamond pastes at the same minimum concentration and the cutting efficacy was rather striking. This is likely not a manufacturer issue but a problem with a remote storage facility storing all items of techdiamond 50% concentration diamond pastes together regardless if vendor, leading to adulteration of the manufacturer’s product. Current practices by the sales intermediary dissuade me from reordering.
BEAUSEEFUSS
Reviewed in the United States on August 29, 2023
I ordered this product for one purpose. I used all 10 grits with a dremel tool polishing fittings. You can see the results in the pic provided. I'm sure a mirror shine will assist in perfect feeding operation. Thank you for the premium product.
Paul O
Reviewed in the United States on June 22, 2023
The product arrived quickly and is exactly as described. New to polishing, but these pastes seem to do the job extremely well. Working up through the different grit levels I have gone from a very dull, grey finish to a mirror-like finish with surprisingly little effort and time. Also excellent customer service, prompt and friendly. Will be my go-to for future polishing needs.
Jean F. Delisle
Reviewed in Canada on June 11, 2022
Excellent produit!
Customer
Reviewed in Canada on October 17, 2021
mirror finish on stainless steel watch, knife blades, leaves a waxy film from carrier just remove with rubbing alcohol for final finish or between applicationsHighly recommendedWear a mask when using for protection from minute particles
Bradley Dostal
Reviewed in Canada on June 25, 2020
Very expensive. .use sparingly.
Persnickety Geek
Reviewed in the United States on March 21, 2020
tldr; This compound is fine polishing perfection!No idea why the heck some of the nicer Swiss watches that have exceptionally hard to scratch mineral or sapphire crystals put an anti-reflective coating on the outside of the crystal. Your expensive dress watch suddenly winds up looking all beat up once the super easy to scratch coating touches anything.This 50,000 Grit 0/0.5 Micron paste is the perfect solution to this madness along with a variable speed rotary motor (Dremel) set at the lowest speed and some polishing pads (https://www.amazon.com/gp/product/B07M78YG3L). A magnifier is also helpful to examine fine details if necessary. Latex gloves may help keep your hands clean.To completely remove the anti-reflective coating on your mineral or sapphire watch crystal, I recommend the following:* Double check that you do indeed have a mineral or sapphire watch crystal. If it is a polycarbonate or acrylic watch crystal, you need Polywatch instead (https://www.amazon.com/gp/product/B01KLF1RD2) Uncle Google is your friend if you're unsure.* Remove the watch strap.* Find a location where you can make a bit of a mess as the polishing pads do disintegrate quite a bit. (see photo, I chose poorly).* Put a 1-2mm dab of this paste on the watch crystal then smear the paste all over the crystal and polishing pad.* Use the lowest speed on the rotary motor, ~3000RPM and slowly move the polishing pad all over the crystal. DO NOT press the pad down hard creating heat on the watch face. The polishing compound does all the hard work. Hold the watch securely while polishing it as the pad wants to flick it away.* After about a minute, stop, clean the crystal with a cloth, and examine the progress. Use magnification if needed. You should see areas where the AR coating has started to come off.* Repeat prior step, especially on areas needing additional AR coating removal. I repeated ~10 times until the AR coating was fully removed and had a brand new looking watch crystal.* Do a nice deep cleaning of your watch and then put the strap back on. Enjoy a new looking watch again.On a side note, while you have everything out for polishing, this compound works great for fine polishing of wedding bands too. It's been over a decade since my wedding band looked so shiny.One other final note, as I was shopping for a fine polishing paste, Amazon initially showed lots of compounds created in China. While I have lots of connections and knowledge of Chinese mfg, I gladly paid a bit more for this US made polishing compound to ensure I got proper consistent results on my expensive watches.I hope all this info helps out my fellow watch geeks!
AC
Reviewed in the United States on October 14, 2020
I use this to put a particularly high-quality shine on silver, copper, and steel. It is very effective at doing so - with a a clean, soft buffing rag and an amount equivalent to half a grain of rice I can polish about the equivalent of a full square-foot of metal to a mirror-like shine. I haven't really tried it on any stone, as I don't have the equipment for it.Typically, I start with 800, then 1000, 2000, 5000, then one of these pastes. Due to the kinds of things I polish, I rarely can use a buffing wheel to really bring out the luster, so this kind to paste is particularly useful.
Paul L.
Reviewed in the United States on April 23, 2018
Great stuff. Polishes metal like nobody's business. Used only this paste on a felt polishing pad on my rotary tool to get a scratch out of a knife blade and just with this one step it made the whole blade a beautiful mirror. I have pastes and emulsion up to .025 micron (something like 600,000+ grit) but I didn't even need to go further. I also use it on a couple strops as my coarsest one to get rid of burrs quick after sharpening and it does great. It really does have very high diamond particles and is a quality product. I think all their pastes will be as good or better and I recommend the high concentrate (H) but I am sure the lower ones will still be better than most other pastes on here.
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