| [Note]
1, Possible reasons for thin phosphorizing
film.
The temperature is too low.
Total acid value is too low.
Free acid value is too high.
2, Workpieces should be removed from
the production line before the manufacturing is stoped.
3, If mottling phenomenon happens
on the surface.
Keep the workpieces moist in transition
of different working procedures.
Check whether PH value is in normal range
before phosphorizing.
4,Tank liquor is reduced by deslagging.
5, Wash at least twice after phosphorizing.
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