What's the superiority of marine polyurethane bending restrictor?

Advantages of polyurethane bending restrictor
Polymer curved restrictor elements are usually made of structural polyurethane.
The main advantage of polymer bending current limiters over metal bending current limiters is that they do not require any local cathodic protection, and because of the low density of polyurethane materials, they usually add weight to the system.
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