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  1. #1

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    Pyrocat HD Sol B Shelf Life

    Hi Folks

    I mix fresh pyrocat hd after 3 months but was wondering if I need to replace sol B as I currently do. I change it as I currently think it might have become contaminated etc but I do try to work carefuly and was wondering if I am just wasting chemicals etc.

    Cheers, Carl

  2. #2
    Jim Noel's Avatar
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    Although it should last longer, I say it is better to be safe than sorry. I do the same as you and mix fresh "B" when I mix fresh "A".
    [FONT=Comic Sans MS]Films NOT Dead - Just getting fixed![/FONT]

  3. #3
    Jim Noel's Avatar
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    I mix my "A" in glycol which makes its shelf life extremely long. I don't re-mix until the "A" runs out.
    [FONT=Comic Sans MS]Films NOT Dead - Just getting fixed![/FONT]

  4. #4

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    Thanks Jim - better to be safe!

  5. #5
    Jim Fitzgerald's Avatar
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    Quote Originally Posted by CarlRadford View Post
    Hi Folks

    I mix fresh pyrocat hd after 3 months but was wondering if I need to replace sol B as I currently do. I change it as I currently think it might have become contaminated etc but I do try to work carefuly and was wondering if I am just wasting chemicals etc.

    Cheers, Carl
    Carl, I have used both solutions for about 10 months with no problems.

    Jim

  6. #6

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    Solution B of Pyrocat-HD should last for several years unless contaminated with Part A or some other chemical. If contaminated with Part A it would slowly change color, first to light amber, then to deep amber, and finally turn black. Any discoloration of Part B suggests some type of contamination. If mixed correctly, and clear, it should be good for a long, long time.

    Sandy King



 

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