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#311217 - 04/10/07 11:30 AM See the difference Asha ADT makes....
lessw Offline

The Florentine Diamond

Registered: 04/04/02
Posts: 5337
Hi all,
We've sent an uncoated and coated Asha off to an independent testing lab in order to further "show" our coating and the difference it makes. (http://www.fdsc.com)

We just got the results back this morning,and I am pleased to show the photos of the results. The test is called 'contact angle goniometry" and basically uses a tiny drop of water and then measures the way the water beads on the surface to determine surface properties.

We have long known that the amorphous diamond helps customers stones stay cleaner longer (as it has a coefficient of friction lower than teflon), and this test is a good visual to show the difference.

Here is an uncoated Asha CZ core (note how the water beads very tightly):



Now compare how the water drop goes almost flat on an amorphous diamond infused Asha:



The difference is 98.5 degrees (uncoated) vs. 31.7 (coated), or basically 300% difference. We think this helps address those competitors who say the amorphous diamond coating "doesn't make any difference".

We learned that this test is routinely done at other diamond coating plants as a way to prove to their customer that they had diamond coated, and we were excited to have ours tested and share the results.

(Of interest, a cruder test used to be done to try and differentiate diamond from CZ by putting a line of ink on the stone - if it beaded, it was CZ, if it stayed flat, diamond...).

Anyway, hopefully people will find this more understandable than our previously shown Raman results

(Of interest, this type of testing has been used to authenticate historical coins as being legit or fraudulent, its a very slick test).

Best regards,
Less

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#311218 - 04/10/07 12:05 PM Re: See the difference Asha ADT makes.... [Re: lessw]
moissfan Offline
The Black Orlov

Registered: 07/03/06
Posts: 4153
Loc: somewhere else
Very cool! Thanks for posting this, Less-I know visual aids always help me!

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#311219 - 04/10/07 01:02 PM Re: See the difference Asha ADT makes.... [Re: moissfan]
diamonds247 Offline
The Millenium Star

Registered: 07/10/06
Posts: 7119
Loc: Arizona
Wow that is SO interesting! Thank for sharing this Less!

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#311220 - 04/10/07 01:05 PM Re: See the difference Asha ADT makes.... [Re: diamonds247]
Mom2Four Offline
Omniscient

Registered: 10/17/05
Posts: 3159
Loc: New York State
Thanks Less. Great visual.


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#311221 - 04/10/07 04:16 PM Re: See the difference Asha ADT makes.... [Re: lessw]
Cricketgrrl Offline
BTD Crown Jewel

Registered: 10/07/03
Posts: 15280
Fascinating! Thanks, Less!

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#311222 - 04/11/07 02:38 AM Re: See the difference Asha ADT makes.... [Re: Cricketgrrl]
Gemaroo Offline
Mentor

Registered: 04/01/07
Posts: 727
Loc: Australia
Thanks Less, everyday I learn something new here!

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#311223 - 04/11/07 12:34 PM Re: See the difference Asha ADT makes.... [Re: Gemaroo]
Lyta Offline
The Pink Orchid

Registered: 04/23/02
Posts: 3426
Loc: Bothell, WA (USA)
This is so way cool!!!

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#311224 - 04/14/07 08:56 PM Re: See the difference Asha ADT makes.... [Re: Lyta]
MrsFrk Offline
Omniscient

Registered: 05/03/04
Posts: 2683
Loc: Northern California
Wow, that is so neat!
Really illustrates what a difference the coating makes.


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#346194 - 08/29/07 02:29 PM Re: See the difference Asha ADT makes.... [Re: MrsFrk]
Nifs Offline
Fiend

Registered: 07/18/07
Posts: 197
i love the visual...... really seeing the difference makes me want an asha even more \:\)


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#347182 - 09/04/07 12:51 PM Re: See the difference Asha ADT makes.... [Re: lessw]
MissDymonds666 Offline
The Centenary Diamond

Registered: 09/03/07
Posts: 8723
Thank you, Less! That made me want the Asha Radiant more than ever now!

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http://diamondbistro.com/other/320/seller.html

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