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Black iron oxide for chalk line

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Review by mafe posted 1099 days ago 3368 views 1 time favorited 17 comments Add to Favorites Watch
Black iron oxide for chalk line Black iron oxide for chalk line Black iron oxide for chalk line Click the pictures to enlarge them

Black iron oxide
for the chalk line

A friend told me about the use of black iron oxide for the chalk line, this has been used as pigment all the way back to my ancestors the Vikings.

It is a water resistant and inexpensive product of nature.

So I bought a Stanley chalk line roll and filled it up with this black iron oxide, and tested it on a piece of work that are Japanese inspired, this because they usually use the ink line, but I find that a bit messy.

SO what happened?
The line stood clear, but the work piece and the workspace yes even the floor was now powdered with a thin layer of this… If it was chalk it was not a problem, but since this iron oxide is black and sticks as soon as you touch it, and the water resistant on top, I think it is easy to imagine my joy of this new wonder…

As you can see on the photos black stuff all over, washed my hands three times before it was all of, and the worktable will need to be sanded down now…

So what is the review?
As a substitute for a chalk line indoor – do not use it!
As a substitute for the ink line – not comparable.
As a pigment for making colors – excellent.
As a marking tool for building a Viking ship or house that will be painted black after it might be the right choice if you have plenty of water to wash your hands after.

So to others that want to experiment in really old ways, be prepared for a mess…
And yes you are really welcome to laugh at me! lol.

Hope it can keep others from doing the same mistake,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.




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mafe

9492 posts in 1722 days



17 comments so far

View tenontim's profile

tenontim

2131 posts in 2377 days


#1 posted 1099 days ago

I would give this a try for ebonizing oak, although India ink works great for that, but don’t think I’d put it in my chalk line. Actually, I’d be happy just to find my chalk line. Either one of the two that I misplaced about a year ago.

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docholladay

1286 posts in 1691 days


#2 posted 1099 days ago

Funny. One other downside, I imagine that the iron oxide would not be very friendly to your edge tools such as chisesl and planes. Not sure that normal chalk would be much better, but I am pretty sure that anything with IRON, no matter how tiny, is going to be good for sharp edges.

Doc

-- Hey, woodworking ain't brain surgery. Just do something and keep trying till you get it. Doc

View Brit's profile

Brit

5125 posts in 1475 days


#3 posted 1099 days ago

Well you can’t make an omelette without breaking some eggs Mads. Glad you found that out so I don’t have to. :-)

-- Andy -- Old Chinese proverb say: If you think something can't be done, don't interrupt man who is doing it.

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mafe

9492 posts in 1722 days


#4 posted 1099 days ago

Ups I gave it five stars to begin with this was a mistake, unless you are using it for the purpose I describe in the review.

Andy, yes I took the long road… But since I love to learn the hard way, mistakes are often a part of my path.

Doc, you might have a point there also, but it seems not to rust, and I think it will be minimal wear on the tools, but yes you might be right.

Tim, my chalk line had also almost vanished and when I found it, it was made of plastic and was full of blue chalk, so I decided it was time for an update. Bought a new metal case chalk line from Hultafors I filled with red chalk and this one … I will see if I can get the powder out again and use it with chalk instead or perhaps keep it just in case I decide to build a Viking ship one day…

Best thoughts,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

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ShopTinker

876 posts in 1401 days


#5 posted 1099 days ago

Mads, you might try using a large magnet to lift the stuff off of your bench, or maybe a tack cloth would work.

I had a similar experience years ago with some Red powder sold for chalk lines. The display said it had better visibility and lasted longer than standard blue chalk. I bought some and used it to mark walls for a drop ceiling in our new office addition. When we were done marking I intended to vacuum the “chalk” residue off the newly installed carpet as I’d done in the past. To my horror it didn’t vacuum up. As the sign said “better visibility and last longer. The New carpet had permanent RED lines every where the string had touched.

I went to the store and purchased several brands of carpet cleaner/spot remover. After trying several brands finally one of them worked. I think it was called Spot Not – Carpet Cleaner and Spot Remover. It was a lot of work getting all of the red “chalk” lines off of the carpet. I think the red chalk was a petroleum based product. My hands were red by the time I was done cleaning the carpet.

I’ve never used that Red Chalk Line indoors again, works great out side.

-- Dan - Valparaiso, Indiana, "A smart man changes his mind, a fool never does."

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jusfine

2280 posts in 1558 days


#6 posted 1099 days ago

thank you for that information! :)

-- Randy "You are judged as much by the questions you ask as the answers you give..."

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Bertha

12951 posts in 1326 days


#7 posted 1099 days ago

This reminds me of when I added a whirligig vent to my shop roof and used black roof tar in a caulk gun tube. The first squeeze of the trigger shot a stream of the stuff on my shirt. When I looked down in shock, my glasses fell into it. At the end, all I needed was the feathers.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View Sarit's profile

Sarit

482 posts in 1772 days


#8 posted 1099 days ago

If ur still in the mood to try something new, how about using powdered graphite. It’s sold as a dry lubricant. My guess is that it would behave like a pencil line.

View Kent Shepherd's profile

Kent Shepherd

2697 posts in 1919 days


#9 posted 1099 days ago

Chalk it up to experience!

Thanks for the info

-- She thought I hung the moon--now she just thinks I did it wrong

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grizzman

6942 posts in 1936 days


#10 posted 1099 days ago

im glad you said it was ok to laugh, because i was there before you said it…at least your trying new things , we just never know huh…or maybe we do, if it was a good idea..someone else would have probably dont it already…is there anything left for us to invent…lol…....ill think on it…glad you got cleaned up…....grizz

-- GRIZZMAN ...[''''']

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gfadvm

10737 posts in 1323 days


#11 posted 1098 days ago

Bertha I’ve had similar experiences with roof tar. Just open the can and it begins attacking and the more you try to clean it off, the more it spreads all over everything. Shop Tinker I had the same experience with the red chalk and never did get it all out of a textured wall. Had to paint over it!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Dark_Lightning's profile

Dark_Lightning

1694 posts in 1741 days


#12 posted 1098 days ago

I’m laughing with you, Al. I’ve had the same thing happen to me. Although it was an aluminized roofing paint. That stuff splashes out like the proverbial cow peeing on the proverbial rock.

View lanwater's profile

lanwater

3076 posts in 1567 days


#13 posted 1098 days ago

I had a good laugh Mafe. Enjoy the sanding.

-- Abbas, Castro Valley, CA

View mafe's profile

mafe

9492 posts in 1722 days


#14 posted 1098 days ago

Hi guys,

A morning of smiles here in my lumber heart.
You all made me laugh again about my self – yes I guess ‘if no one else use it, it might be for a reason’...
I was just thinking it was a little cool to be eco friendly and look bacwards to see what they used to do… Just found out they used to get messy…

Al and gfadvm, I also worked with roof tar in a caulk gun tube, the kind with fibers inside, heated it ud a little so it was really good to work with, and it was, it could get into every cornor, also of my fingers, hair and clothes… So my DIY ended up taking hours of cleaning and that I threw out the trousers and t-shirt… (I acually liked the trousers…). Ohhh yes and the fix worked by the way.

Sarit, I think it is your turn now…

Shopthinker, I laughed big time thank you, I could easy imagine the scenes.

Best thought and thank you for the smile, I needed that,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

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Beginningwoodworker

13337 posts in 2305 days


#15 posted 1098 days ago

Neat idea, Mad.

-- CJIII Future cabinetmaker

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