pvc plant cage

pvc plant cage

...

pvc plant cage pvc plant cage

Read More
  • If the zinc coating is good, but in 3% nitric acid when the light, the coating has dark shadow, passivation occurs when the film is brown, may be caused by foreign metal impurities such as copper or lead in the galvanizing liquid. When problems occur in the process of galvanizing large coil galvanized wire, the temperature and current density are checked first, and then the content of zinc and sodium hydroxide in the plating solution is measured and adjusted through the analysis of the plating solution. Whether DPE content is low can be determined by hull cell test.

    pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More
  • 1, stress relief before plating where the maximum tensile strength is greater than 1034Mpa key and important parts before plating should be at 200±10℃ stress relief for more than 1 hours, carburizing or surface quenching parts should be at 140±10℃ stress relief for more than 5 hours.

    pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More

  • Post time: 14-09-22

    pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More

  • Post time: 01-07-22

    pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More
  • pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More
  • pvc plant cage

    ...

    pvc plant cage pvc plant cage

    Read More
  • 

    Popular articles

    Latest articles

    Links