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Oil on concrete


Dunkield
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Axe's post about care servicing reminded me, I have a bit of an oil spill to clear up off our drive.

It has dried now and I have tried normal household cleaning stuff like washing up liquid and bleach, and even a jet washer.

Is there anything that is used in the trade to get rid of oil stains like this?

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An emulsifying detergent like GUNK or BP 2000 and a scrubbing brush and power washing. It's the carbon that is the prob. Bleach, (sodium hypochlorite) does not work on carbon; put some on newspaper print, you'll see. blosk cleaner is hydrochloric acid and will affect the stain, because the stain is sealing it. It will just erode the unprotected area

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Theres a company called HG that do a lot of sealers, cleaners and impregnators to use on stone, im sure somthing in their range would do the job, but it is likly to be a bit time consuming and pretty annoying! Ive used their sealers and impregnators on sandstone, limestone and terracotta and they seem good products so I imagine the cleaners the same.

 

Ive seen a bleach and baking soda (I think) poultice used to remove a small oil stain on limestone before so that may be worth a go before shelling out on a dedicated cleaner.

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An emulsifying detergent like GUNK or BP 2000 and a scrubbing brush and power washing. It's the carbon that is the prob. Bleach, (sodium hypochlorite) does not work on carbon; put some on newspaper print, you'll see. blosk cleaner is hydrochloric acid and will affect the stain, because the stain is sealing it. It will just erode the unprotected area

 

I think it has been re-named BP 1000

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An emulsifying detergent like GUNK or BP 2000 and a scrubbing brush and power washing. It's the carbon that is the prob. Bleach, (sodium hypochlorite) does not work on carbon; put some on newspaper print, you'll see. block cleaner is hydrochloric acid and will not affect the stain, because the stain is sealing it. It will just erode the unprotected area

 

I think it has been re-named BP 1000

 

SORRY, MY TYPING IS AWFUL!

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That stuff really does clean rifle brass as it does on the ad, but it obviously takes a bit longer than 5 seconds . .

 

You might want the check the dimensions of your brass afterwards...I put some in our outside loo...BANG....it's and it's gone!! :rolleyes:

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Put dry sand on it to soak up any residue and rub it in with an old scrubbing brush. Then brush on Gunk or Jizer and try and keep it on the affected area, wash off well with clean water.

 

Don't leave gunk or jizer to sit or tarmac too long as it will start to eat into it.

 

Someone mentioned stuff by HR, its good but they are not too forthcoming with the CoSHH assesments for their stuff so you have no idea whats in it, what it does, how it can affect you and what the hell you do if you get it into your eyes, mouth, on your skin etc.

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