The blackening of prestressed anchor

Posted by CPS | 2018-12-17

In order to improve the rust resistance, and according to the requirement of environment protection, we have improved the surface treatment technology. Now we adapt the blackening technology. It generate an oxidation film in the surface to protet the metal. which has the following merits:

  1. Better effect for rust-proof;
  2. More durable
  3. Better appearance