PTFE fiber has good corrosion resistance, low friction factor, nonflame, strong acid and strong alkali resistance, high temperature and low temperature resistance.
The passivation patinas and the composition of each phases becoming more homogeneous are moderator to the dealuminization corrosion of high aluminum bronze.
Thermal diffusion sherardizing is widely used by its good rust-resistance, whichwas developed as a new metal surface disposal technology at beginning of last century.
An investigation was made on the effect of rewelding on anti-corrosion properties of ultra-low carbon austenitic stainless steel based on intergranular corrosion test and stress corrosion test.
The discharge of hold-washings and other residues by vessels carrying noxious or corrosive goods must be conducted in compliance with the state provisions for vessel sewage discharge and shall be truthfully recorded in the logbook.