Knife Polish

EnviroDaren

Active Member
My company produces abrasive powders for industrial polishing applications and one of my goals is to determine the best format for this material as a product for polishing knives. Here's a link to one of the powders we make, called Mg-35. Our latest focus is on synthetic spinel powder/diamond, which is similar to Mg-35, but much harder and more abrasive.

Would a dry powder be ok or do knife makers prefer the abrasive in a liquid suspension or a cream? The powder is very dusty and becomes airborne easily, so using it dry requires a dust mask.

The material is a ceramic powder with diamond fused into the particles. As it is being used, the larger particles break down, which enables polishing from a coarse surface finish to a mirror-like appearance in one step.

I can send a few samples out to anyone interested in evaluating it. Thanks!!
 

oldknife

Well-Known Member
I would give some a try, I take knives swords and gun's to 2000 and 5000 grit and have a dry compound that I mix with with water and use on a piece of damp levi to give it a final polish, I do all this by hand, always looking for something better. E-mail me and I will send you some pictures of a RR spike I just finished, forgot how to shrink my pictures so can't post here. Deane oldcat35o@sbcglobal.net
 

EnviroDaren

Active Member
I would give some a try, I take knives swords and gun's to 2000 and 5000 grit and have a dry compound that I mix with with water and use on a piece of damp levi to give it a final polish, I do all this by hand, always looking for something better. E-mail me and I will send you some pictures of a RR spike I just finished, forgot how to shrink my pictures so can't post here. Deane oldcat35o@sbcglobal.net
That's cool, Dean - I'll email you and check it out. And I can send you a few samples too if you email back your mailing address.
 

EnviroDaren

Active Member
I would like to try it, especially if you make a paste of it. I like a mirror finish on my blades and currently hand sand to 12000 grit.
My industrial clients ask for similar particle sizes but they always buy dry powder. I think a paste is a good idea and I am going to be developing a few prototypes to have guys like you check them out. I can either sent you some powder now or we can wait until I've produced some pastes - just let me know. You can email me directly with your mailing address: Daren@EnviroDiamond.com
 

EnviroDaren

Active Member
Thanks, Deane, for providing those really cool pics of the knives you polished with the samples I sent you. Much appreciated!! I tagged your Instagram account and I recommend that you post more pictures of your work there so that anyone looking at EnviroDiamond from a knife polishing product perspective may find your stuff. Your work looks great and it's eye-catching - just putting that out there.

Here are a few pictures of one particle created by our process. They are not typical single crystals of one material. Instead, they are "polycrystalline" meaning every particle is comprised of many smaller ones stuck together. In industrial polishing this is a good feature and typically drives the price of the abrasive very high and the feature is therefore restricted to pure diamond products.

When you check these out, keep in mind the relationship between Grit and Microns regarding particle size:

1 micron = 14,000 grit
3 microns = 8,000 grit
4 microns = 5,000 grit
5 microns = 4,500 grit
18 microns = 1,050 grit

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