A cast iron tub is about 325lbs. steel is about 75lbs. Tap on tub if it sounds solid it is cast iron.
You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
You must remove the old epoxy coating before pouring the new floor, for otherwise there will be no bonding. If the epoxy coating is thin (e.g, paint) then it may be possible to remove it by hand sanding. If it is a thick coating, then sandblasting is probably the best method. In either case, appropriate dustmasks and other safety precautions are essential. Good luck
If the pipe is No Hub cast Iron you can use a mission cap If the cast Iron is bell then you caulk in a cast iron plug If the cast iron is a spigot end you get a transition coupling either standard weight CI or extra heavy and then use a cast iron cap in the transition coupling
A small stick of dynamite comes to mind
Polished epoxy
A cast iron tub is about 325lbs. steel is about 75lbs. Tap on tub if it sounds solid it is cast iron.
You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
epoxy is used in making gemstones to hold the rough to the dopstick and to remove it we use acetone. maybe this would work?
It will if the iron is very smooth, but I believe you'd get a stronger joint with epoxy.
You can remove epoxy from leather. Use a plastic knife to carefully scrape away as much as you can. After you have scraped away what you can, clean the rest with a cotton ball dipped into Acetone. Wipe away at the epoxy until it is gone.
Epoxy is probably the best choice. You may want to have the tub sand-blasted first.
The way to remove epoxy depends on where the epoxy is. If it is on the skin a person can use vinegar or acetone to remove the epoxy. If the epoxy is dried onto a surface a person can use paint thinner or adhesive remover to get rid of the epoxy.
Scrub it with Goof Off.
You can remove mineral deposits from your teapot with a mild vinegar solution.
The epoxy resin cast transformer steps up or steps down voltage. The epoxy resin cast transformer generally generate low noise and are very cost efficient. They are also resistant to failure as compared to the other types of transformers.
A good way is to head over to chowhound.com. They have a lot of questions and answers on how to remove oil residue from a cast iron skillet. An example is to boil some water and leave it in your skillet then wash off.