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Window Cleaning Services

  • Posts: 187
Isopropanol - How much?
« on: September 28, 2008, 08:18:00 pm »
For those of you using isop''' how much should be put in 400 lts to make any difference> thanks for any help.  8)Syd

trevor perry

  • Posts: 2454
Re: Isopropanol - How much?
« Reply #1 on: September 28, 2008, 08:40:30 pm »
i put a small coffee cup full in a 650 ltr tank.
better to remain silent and be thought a fool than to speak out and remove any doubt

d s windowcleaning

  • Posts: 2782
Re: Isopropanol - How much?
« Reply #2 on: September 28, 2008, 08:50:17 pm »
1/2 ltr will be fine , i cant say of 1 user who as used a amount that would be correct or in correct i use it daily and the amouts are diffrent  .
where theres muck theres money

mci services

Re: Isopropanol - How much?
« Reply #3 on: September 28, 2008, 08:53:27 pm »
i was told last year 10ml per 10l so that would be 400ml

biggs

Re: Isopropanol - How much?
« Reply #4 on: September 28, 2008, 09:06:21 pm »
whats it used for

MoemGorod

  • Posts: 339
Re: Isopropanol - How much?
« Reply #5 on: September 28, 2008, 09:09:11 pm »
whats it used for

.. it used for antifreezing

Vadim
www.MoemGorod.com - WFP supplier in Russia & CIS
www.MoemGorod.ru - WFP WC in Saint-Petersburg

d s windowcleaning

  • Posts: 2782
Re: Isopropanol - How much?
« Reply #6 on: September 28, 2008, 09:10:20 pm »
i was told last year 10ml per 10l so that would be 400ml
theres wAS A LOT OF DIFFRENT  measurements given last year on the forum i tryed i now just tip it in to around 1/2 ltr per 1000 ltr of pure water .
where theres muck theres money

seandyer2003

Re: Isopropanol - How much?
« Reply #7 on: September 28, 2008, 09:14:30 pm »
where do you go to buy the stuff??

ftp

  • Posts: 4694
Re: Isopropanol - How much?
« Reply #8 on: September 28, 2008, 09:18:23 pm »
Here's a chart to show the freezing point of isopropanol in water. I reckon you would need ten percent for a normal english winter. So that's six and a half litres for a 650l tank?

www.engineeringtoolbox.com/ispropanol-water-d_988.html

seandyer2003

Re: Isopropanol - How much?
« Reply #9 on: September 28, 2008, 09:20:36 pm »
6 half litres, isnt it about £4 a litre though??

MoemGorod

  • Posts: 339
Re: Isopropanol - How much?
« Reply #10 on: September 28, 2008, 09:21:39 pm »
Here's a chart to show the freezing point of isopropanol in water. I reckon you would need ten percent for a normal english winter. So that's six and a half litres for a 650l tank?

www.engineeringtoolbox.com/ispropanol-water-d_988.html

10% --- 65 ltrs

Vadim
www.MoemGorod.com - WFP supplier in Russia & CIS
www.MoemGorod.ru - WFP WC in Saint-Petersburg

seandyer2003

Re: Isopropanol - How much?
« Reply #11 on: September 28, 2008, 09:25:10 pm »
what is everyone paying and where you get it from??

ftp

  • Posts: 4694
Re: Isopropanol - How much?
« Reply #12 on: September 28, 2008, 09:29:18 pm »
So how much do you experts need in your tank to prevent freezing?

d s windowcleaning

  • Posts: 2782
Re: Isopropanol - How much?
« Reply #13 on: September 28, 2008, 09:33:04 pm »
Here's a chart to show the freezing point of isopropanol in water. I reckon you would need ten percent for a normal english winter. So that's six and a half litres for a 650l tank?

www.engineeringtoolbox.com/ispropanol-water-d_988.html
So how much do you experts need in your tank to prevent freezing?
not what your charts say i use around 1/2 ltr per 1000 ltr of pure never froze yet .
where theres muck theres money

ftp

  • Posts: 4694
Re: Isopropanol - How much?
« Reply #14 on: September 28, 2008, 09:36:07 pm »
Nor mine last year (0%)  ;) Not my charts either. If that chart is right then you are all wasting your money i would think - no?

d s windowcleaning

  • Posts: 2782
Re: Isopropanol - How much?
« Reply #15 on: September 28, 2008, 09:50:37 pm »
Nor mine last year (0%)  ;) Not my charts either. If that chart is right then you are all wasting your money i would think - no?
i wouldnt take any notice of those charts , ive seen on the computor last year the number of window clears who didnt work due to freezing , nwh posted that ipa would prevent freezing NOT A LOT OF PEOPLE TOOK NOTICE OF THIS , I DID .  my water never froze .
where theres muck theres money

ftp

  • Posts: 4694
Re: Isopropanol - How much?
« Reply #16 on: September 28, 2008, 09:53:57 pm »
 ;D  i give up.  ::)

Re: Isopropanol - How much?
« Reply #17 on: September 28, 2008, 10:05:29 pm »
Dave what is the cost of half a litre of iso ?

I did not lose any days last year that I remember from freezing but I did have to thaw a few times.  :'(

mci services

Re: Isopropanol - How much?
« Reply #18 on: September 28, 2008, 10:12:59 pm »
what is everyone paying and where you get it from??

sean i paid a tenner from maplins for a litre total rip off you can buy it from ebay much cheaper. or a medical suppliers but to be honest i only used it a couple off times when it was really cold. i still have that 1l bottle in van cause i never needed to use it tha often

seandyer2003

Re: Isopropanol - How much?
« Reply #19 on: September 28, 2008, 10:39:25 pm »
at a tenner a litre you dont wanna be using ten percent!! Thats like half a days work for 1000 litre tank!!