Camlock coupling internal rust coating requirements

Camlock coupling internal rust coating requirements

With the progress of society, enterprises on the steel telescopic joints of anti-rust requirements are getting higher and higher. Especially the internal anti-rust, related to our usual drinking water safety and resource security and other issues, so the internal requirements of steel telescopic joints rust is the most concerned about the issue. The following is for everyone to explain the internal steel telescopic joint internal anti-rust paint requirements:
1.The general requirements of steel telescopic joints within the anti-corrosion epoxy coating (ie spray treatment).
2.steel telescopic joint wall sandblasting and other ways to achieve GB / T8923 rust SA2.5 standard, is a metal wall into the metal color.
3.As a steel telescopic joint internal use of anti-rust material must have a health permit, and harmless to the human body.
4.The surface hardness is good, the use of 2H pencil scratching no scratches.
5.Steel telescopic joints usually need to spray five processes in the sand after a month to complete the first primer, to be dry after the surface of the next spray.
6.Impact resistance ≥ 4.9.
7.Salt spray resistance 500h test up to a level.
8.Resistant to sewage 100 ° C 90d qualified
9.After spraying should be sprayed spraying effect, for the layer thickness, pores, bubbles and other damage, to make timely repair.

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