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Why Salt
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Topic: Why Salt (Read 1629 times)
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CD17
Berm Worm
Posts: 10488
Rated:
Why Salt
«
on:
November 05, 2008, 09:29 PM »
Ok I just getting ready to dye some Tuffs back to Blue & nowhere on the tin of dye does it say use salt, so what's the salt for
I know loads of people have dyed stuff & they have all added salt, but why
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kdw712
900 Air
Posts: 3358
Rated:
Re: Why Salt
«
Reply #1 on:
November 05, 2008, 09:33 PM »
from the dylon site
Q Why do I need to use salt?
A You need to use salt with all DYLON dyes except Wash & Dye (it's already in Wash & Dye) because it opens up the pores of the fabric and allows the dye to be absorbed.
still don't fully explain does it
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cheers Kev
{ wanted : "Red Haro Handle" brake lever
link to my trade post
}
CD17
Berm Worm
Posts: 10488
Rated:
Re: Why Salt
«
Reply #2 on:
November 05, 2008, 09:36 PM »
Yes for fabric it says to use it, but on Tuffs
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rollin72
900 Air
Posts: 3497
I was a ninja
Rated:
Re: Why Salt
«
Reply #3 on:
November 05, 2008, 09:42 PM »
there should be an instruction pamflet in the tub of dye, it tells you there to use salt but dont explain why, opening the pores sounds good though
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rollin72
900 Air
Posts: 3497
I was a ninja
Rated:
Re: Why Salt
«
Reply #4 on:
November 05, 2008, 09:45 PM »
what dye are you using
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HARORIDER
Look Back
Posts: 1781
Rated:
Re: Why Salt
«
Reply #5 on:
November 05, 2008, 10:04 PM »
i would imagine that the wheels are made out of compressed nylon and the pores still need to be opened up to absorb the dye
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Wayne Ryder
Curb Endo
Posts: 357
Rated:
Re: Why Salt
«
Reply #6 on:
November 06, 2008, 12:47 AM »
My insomnia was made for threads like this. Found a site that has the reasons here:
http://www.pburch.net/dyeing/dyelog/B1063361308/C1845207367/E20080819102444/
But here's a snippet that'll probably suffice:
Table salt is fine for dyeing, especially if it's non-iodized, but sea salt is not a good choice because of the minerals in it, as well as the unnecessary expense. Pickling salt is better because it does not have additives.
What salt does, in high water ratio immersion dyeing, is reduce the tendency of the fabric to repel the dye. Since both the fabric and the dye are negatively charged they tend to repel each other. The addition of large quantities of salt reduces the electronegativity of both fiber and dye, making it easier for the dye to associate with the fiber so that it is located handy for the formation of a chemical bond.
In low water immersion dyeing, the purpose of salt is different. It reduces the solubility of the dye, which is probably why it results in somewhat different effects in the uneven coloration that results from the constriction of the fabric by the small size of the container it's in. Adding salt to low water immersion dyeing can increase the crystal-like patterns produced by this method of dyeing.
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bmxbert
Guest
Re: Why Salt
«
Reply #7 on:
November 06, 2008, 01:17 AM »
cheers for that. like they say you learn something every day.
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kdw712
900 Air
Posts: 3358
Rated:
Re: Why Salt
«
Reply #8 on:
November 06, 2008, 12:02 PM »
now thats an answer
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cheers Kev
{ wanted : "Red Haro Handle" brake lever
link to my trade post
}
CD17
Berm Worm
Posts: 10488
Rated:
Re: Why Salt
«
Reply #9 on:
November 06, 2008, 12:16 PM »
Great answer
So how much should I use
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Mattdub
Site Supporter
BMX Overlord
Posts: 16702
Rated:
Re: Why Salt
«
Reply #10 on:
November 06, 2008, 03:16 PM »
Chris ,
Salt is always needed , they turn out a little bland without seasoning
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Wayne Ryder
Curb Endo
Posts: 357
Rated:
Re: Why Salt
«
Reply #11 on:
November 06, 2008, 05:12 PM »
Quote from: wish id kept my TA on November 06, 2008, 12:16 PM
Great answer
So how much should I use
Er... 'Some salt'?
If Dylon don't get it right, and that's assuming the page I referenced DID, a bunch of BMXers haven't got a hope.
Doesn't it give you a guide on the packaging?
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rollin72
900 Air
Posts: 3497
I was a ninja
Rated:
Re: Why Salt
«
Reply #12 on:
November 06, 2008, 08:14 PM »
in the dylon instructions it says use 30gm of salt per tin of dye, I used 2x750gms bottles of salt and 3 tins of dye,it worked a treat on my rims they turned out wicked. I think that extra 1400gms made it work!!!!!!!
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