The highest power of the polynomial is called the degree of the polynomial. Degree of the polynomial is also called the order of the polynomial. While finding the degree of the polynomial, the polynomial powers of the variables should be either in ascending or descending order.
It hardens in about 20 minutes and cures in a couple of hours. When the water weld is hard the user can sand it down, drill it, tap it, and machine and paint it. The JB Water Weld has a tensile strength of 900 pounds per square inch. The product is compliant to use with pipes that hold drinking water.hey also said that the JB Water Weld set and cured quickly, and they were able to start using their different things in a short amount of time. An example is one customer had a broken sink and used the Water Weld.
Â· just now. Report Abuse. A cast iron manifold will expand and contract, the JB Weld will not. I think JB Weld is fantastic stuff (have some as we speak) but not for a cracked exhaust manifold.You can always check out their website: http://jbweld.net/index.php I only have experienced JB with cast though, if your manifold is another material you may get lucky.ource(s): Q: Will J-B Weld work on an automotive exhaust? A: Because of the extreme temperatures of exhaust systems, we do not recommend J-B Weld for use on exhaust manifolds and catalytic converters.