2016 Iowa spring gtg

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There are a lot of fellow's on here don't know WTH an erector set is.

Mr. A. C. Gilbert got the idea from watching workers erect a tower.

No worries, these days there's unistrut/b-line for adults who need their erector set fix.

http://www.unistrut.us/index.php?WP=MFProdOver&#M1

http://www.unistrut.us/index.php?WP=show&GRP=13/16 General Fittings&#M4

Fluke workspaces, shelves, all sorts of things were just about entirely made out of those things, most of them of the vintage of when they were just B-line.

Stuff you couldn't do with b-line, was herman miller for the cube walls, dividers, and some of the chairs, if they were in areas they might not suffer horrible fates.

And that doesn't even get to the compressed air lines, power lines, network lines, all zip tied to the B-line. :D
 
Well after 1 degreasing and straight muratic acid and 3000lbs of water pressure the stains will not come out.
d59fb8d0c625fb832f0eccd01baaa18d.jpg

Any suggestions?
It would be too oily to put the epoxy on.


Sent from hoskvarna hills
 
Did find something on the interwebs. I'll cut and paste a bit.

http://articles.orlandosentinel.com/1997-12-20/business/9712180556_1_ink-stains-oil-stains-concrete

_______
Make a paste of two parts hydrated lime powder and one part turpentine. Spread the paste over the surface of the remaining oil stain covering a larger patch than the actual stain. Cover the stain with plastic sheeting to help prevent the turpentine from evaporating. Leave the poultice covering on the stain overnight. Scrape off the paste and follow with a good scrubbing of detergent and water.
________

Probably it's going to be less hassle just to add a thin coat of cement to the mess. Then cement your tile, or whatever to that.


http://www.sakrete.com/media-center/blog-detail.cfm/bp_alias/Bonding-to-Existing-Concrete
 
Well after 1 degreasing and straight muratic acid and 3000lbs of water pressure the stains will not come out.
d59fb8d0c625fb832f0eccd01baaa18d.jpg

Any suggestions?
It would be too oily to put the epoxy on.


Sent from hoskvarna hills

That is probably carbon deposits so you'll need a very alkaline cleaner to remove the organics, acids won't do anything. I found a website that had some suggested chemicals to help strip the soot.

http://www.gsa.gov/portal/content/111554

The first chemical they suggested is Trichloroethylene which isn't cheap, but Brownells sells it.

http://shop.brownells.com/gunsmith-...4Fa7-hE0re5oABJtaIPocjlYAZhH0uzQlMaAtNR8P8HAQ

Next on the list is Sodium Hypochlorite which is pure bleach which is a much cheaper options.
 
That is probably carbon deposits so you'll need a very alkaline cleaner to remove the organics, acids won't do anything. I found a website that had some suggested chemicals to help strip the soot.

http://www.gsa.gov/portal/content/111554

The first chemical they suggested is Trichloroethylene which isn't cheap, but Brownells sells it.

http://shop.brownells.com/gunsmith-...4Fa7-hE0re5oABJtaIPocjlYAZhH0uzQlMaAtNR8P8HAQ

Next on the list is Sodium Hypochlorite which is pure bleach which is a much cheaper options.
Worth a try!
Thanks Shaun
 
That is probably carbon deposits so you'll need a very alkaline cleaner to remove the organics, acids won't do anything. I found a website that had some suggested chemicals to help strip the soot.

http://www.gsa.gov/portal/content/111554

The first chemical they suggested is Trichloroethylene which isn't cheap, but Brownells sells it.

TCE is less than ideal, unless you want to melt your liver, and grow all sorts of new tumors. ;)

https://www3.epa.gov/airtoxics/hlthef/tri-ethy.html

https://www.nrdc.org/experts/jennif...roethylene-tce-too-toxic-use-dry-cleaners-and

https://en.wikipedia.org/wiki/Trichloroethylene

http://ehp.niehs.nih.gov/1205879/

Here's one recommended replacement less likely to cause horrible biological side effects.
https://www.grainger.com/product/14U851

and.... This stuff. http://www.ebay.com/itm/Hexane-1-Gallon-Technical-Grade-Solvent-Hexane-4-Quarts/
 
Floor grinder with carburandum bricks attached to it. Looks like big floor polisher. Use with water to keep the dust down. Smoothes and polishs the concrete. Probably will remove some of the carbon. Can be rented, Aero rental in I.C. for sure. Probably several places closer to you. I need to do this to my shop floor, very rough.
 
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