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paul searle

  • Posts: 62
Formula 90
« on: February 22, 2013, 06:48:49 pm »
I've been trying out different chemicals & manufacturers lately & just had a question about chemspec formula 90. Basically if this is a rinse detergent how can it have a ph level of 10-11 surely this will leave the carpet a high alkaline.

Have I missed something here, advise please
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jim mca

  • Posts: 827
Re: Formula 90
« Reply #1 on: February 22, 2013, 07:14:59 pm »
Paul

When you dilute liquid formula 90 it lowers the ph level
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alan lewis

  • Posts: 81
Re: Formula 90
« Reply #2 on: February 22, 2013, 07:33:48 pm »
Paul

Are you talking about Formula 90 liquid or powder?

Alan
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Carpet Dawg

  • Posts: 2968
Re: Formula 90
« Reply #3 on: February 22, 2013, 07:37:57 pm »
Its buffered so its self neutralizing once its drys.
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Darren O

  • Posts: 1322
Re: Formula 90
« Reply #4 on: February 23, 2013, 12:49:54 pm »
Have always used the liquid are they any big difference using the powder was thinking about trying the powder with the truckmount.
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richie

  • Posts: 1179
Re: Formula 90
« Reply #5 on: February 23, 2013, 01:24:47 pm »
As above, it is buffered so it self neautralizes once dry.
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Mike Halliday

  • Posts: 11581
Re: Formula 90
« Reply #6 on: February 23, 2013, 01:56:23 pm »
all chemicals self neutralise when dry as 'dry' does not have a Ph value but what would happen if you got out of the bath & walked across the carpet with bare wet feet would the wetness reactivate the residue and PH ? :o :o :o
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Mike Halliday.  www.henryhalliday.co.uk

cannon

  • Posts: 492
Re: Formula 90
« Reply #7 on: February 23, 2013, 05:29:43 pm »
How much chemical is actually left in the carpet once you've finished???

With Formula 90 crystallizing I always advise a thorough vacuum once the carpet is dry to hopefully remove what is left.

I could be wrong here but I always thought Formula 90 was buffered so that it maintains its ph through different dilutions.
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stuart_clark

  • Posts: 1879
Re: Formula 90
« Reply #8 on: February 24, 2013, 11:36:27 am »
Thats right Karl, Non buffered chemicals dont hold there PH value but buffered do! most of chemspec products including formula 90 are christaline when dry and are vacumes away
Only formula 90 liquid is different, the more you dilute the lower the ph hence if you dilute at nearly 1000 to 1 it becomes woolsafe
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Shaun_Ashmore

  • Posts: 11382
Re: Formula 90
« Reply #9 on: February 24, 2013, 04:14:35 pm »
I've found this to be different, when I dilute f90 powder less the ph does lower.

Shaun
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stuart_clark

  • Posts: 1879
Re: Formula 90
« Reply #10 on: February 24, 2013, 05:44:56 pm »
Dont know what you are using Shaun, but Chemspec did a demo not long ago at a woolsafe training day showing you couldn't dilute ph on formula 90 powder
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Shaun_Ashmore

  • Posts: 11382
Re: Formula 90
« Reply #11 on: February 24, 2013, 07:58:57 pm »
I dilute it at approx a quarter of suggested ration and when I checked the ph it was lower than stated on the tub, I haven't done it for some time so I can't remember what ph is was but definitely lower.

Shaun
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stuart_clark

  • Posts: 1879
Re: Formula 90
« Reply #12 on: February 24, 2013, 09:33:18 pm »
Maybe it has somthing to do with your chemical meetering ? ie truckmount!
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