So, its supposed to turn the rust into black oxide. But in one of the listed answers it states it wil turn to white, so which is it. ?
1784513
It kills the rust, so what difference does it make. You're gonna brush off whats left
92688
Not normal. Use a flashlight and check for rust. Return to Amazon if you are within the date to do so; otherwise you will have a difficult time to get a refund from Mastrad, if any.
1989584
Yes i think so it is showing some signs of light rust stains ... hope that helped
894536
The surface of the heated plate on our unit appears to have started discoloring. I'm not sure it's rust;could be lime build-up. We've only had the unit about six months, so this is a little unexpected. The unit works great in all other respects.
1595873
Have only used it on older rusted tanks. The brown rust turns a grey metal colour when I use caustic soda (NaOH) to remove the white sludge deposits. the The product works well coating for further use.I personally would rinse out with a grease remover such as acetone to make clean the metal for bonding. Good luck.
1507741
White, I believe, been several years, and about 3 vechiles since,if they come black, a can of white spray paint will change them. 2 years later, they will be rust color anyway
2127787
I bought it to inhibit rust, so I hope it does. Cannot fathom how it could accelerate rust since it cuts off oxygen. Has worked exceptionally well as an inhibiter so far.
1690079
You can see the rust turn a grayish white color because of the chemical reaction. When it was dry to the touch, I painted it. In the hot sun, it doesn't take long to dry. Once after applying OSPHO, it rained overnight and the rusted metal still maintained the grayish white color from the chemical reaction which showed me that it doesn't wash out once it dries. Hope this answers your question.
929789
It has some type of black coating that appears to be very thin fine and smooth. My guess is that it is to protect it from rusting. Hope this helps
1430740
I ordered it in red. There must be a place with a color choice or perhaps one of the many sellers has that option. I love the red.I see someone mentioned rust being a problem. I haven't seen that.
74768
Clean it well and then store with a slight film of oil to prevent the rust. Should be just fine, this is common. bone appetit
2193199
Haven't tried it for this application. Suggestions might be to use Rust-0-leum first and then spay on lacquer.
2176498
It seems to stick to bare metal. (I used it on a surface that was only partially rusty). On the other hand, it doesn't reform rust well.
341063
I'll be honest with you. I have never tried it but I'm sure it will work. All its doing is neutralizing the rust so it can stop spreading.
1370331
We contacted Rust O Leum too and we didn't get a response. I have no idea to remove it, wish I could be of help. We are very disappointed with the product!
513059
Strange one. If it's new and never been used maybe its packing coating? You don't supply a lot of information, could be a host of issues, sulfur and sulfide compounds have detrimental effects on stainless steel surfaces, if you keep it in a hot humid condition, oxidation can occur, stainless steel doesn't mean it cant rust, in the right conditions it will! Just so many variables it's difficult to answer why!
2167970
Not sure if it is or not. What I ended up doing before I used it was clear coat it with clear lacquer. It's been a few months and it hasn't rusted or shown signs that it will.