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Unread 11-03-2006, 08:22 AM   #1
dharris45
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Spectralock Pro Grout question

I have a Full Unit of Spectralock Pro and I want to mix a smaller portion. I have been through the other thread on Spectralock grout and know that DonB had success doing this with original Spectralock.

My question is what should the consistency of Spectralock Pro be when mixed. I normally mix standard grout to a tooth paste consistency. I tried to mix some original Spectralock (10% of A, B, and C) and ended up with a very soupy mix, to thin to work with.
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Last edited by dharris45; 11-03-2006 at 08:30 AM.
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Unread 11-03-2006, 08:57 AM   #2
CharlieM
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Don,

If I read your portions correctly, the part A should be reduced by 10% of total rather than simply including 10% of A which would result in a 90% reduction of part A. This would definitely result in a too-soupy mix and loss of color.

Charlie
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Unread 11-03-2006, 10:32 AM   #3
CharlieM
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Don,

I just re-read your post and figured what you are trying to do is mix smaller portions. Here is a chart DonB gave me a while back detailing proportions for the original spectralock. I've used em and they work (in grams).

Charlie

A B C recipe C actual
full 140 140 1000 1080.7333
¾ 105 105 750 810.549975
0.6 84 84 600
½ 70 70 500 540.36665
0.4 56 56 400
¼ 35 35 250 270.183325
14% 19.6 19.6 140
10% 14 14 100 108.07333
5% 7 7 50 54.036665
2% 2.8 2.8 20 21.614666
1% 1.4 1.4 10 10.807333
0.50% 0.7 0.7 5 5.4036665
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Unread 11-03-2006, 12:18 PM   #4
dharris45
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Charlie,

That is exactly what I am trying to do. Use 10% of A, 10% of B, and 10% of C.
The Full Unit of Spectralock Pro is:

Part A = .6Kg or 600g
Part B = .6Kg or 600g
Part C = 4.0Kg or 4000g

So for a 10% mix I would need:

Part A = 60g
Part B = 60g
Part C = 400g

When you mixed a small batch, was the consistency like normal grout, i.e. something like tooth paste?
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Last edited by dharris45; 11-03-2006 at 04:01 PM.
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Unread 11-03-2006, 01:25 PM   #5
CharlieM
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Don,

Yes, the consistency was about like toothpaste. Note, I was using the regular, not the pro. I fiddled a little bit with the sand quantity with some batches just to play around. My grout lines were 1/16 - 1/8 on wall tile and I didn't have any problem with the regular props, but had to go back over one area so I mixed that one a little on the creamier side.

I first measured the powder into a plastic bowl. Then put another plastic bowl on my scale and measured/mixed the epoxy parts. Then dumped the powder in on top of that and mixed.

I'm a novice and my expoxy grout float may not be the best, so I did a lot of finger spreading along with the float. I hated hearing the plop, plop of the expensive stuff hitting the floor. Also, setting my mix in a bucket of ice greatly increased open time.

Charlie
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Unread 11-03-2006, 02:38 PM   #6
rayc325
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Hi Charlie,

How does the color match when mixing small quantities? Thanks
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Unread 11-03-2006, 03:57 PM   #7
CharlieM
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Ray,

I was using bright white on bright white tiles and didn't notice any difference in color between batches. The fine sand is what is colored and mixing small batches all comes out of the same sand box. When I buy multiple boxes, I make sure the lot numbers match.

Charlie
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