Medium temperature Zn phosphating through the chemical treatment, in the surface of the rigid iron to produce the most suitable coating the bottom of the phosphate film.
Once the metal workpiece is immersed in the heated dilute phosphoric acid solution, a layer of film is formed. However, since the protection of the film is poor, the usual phosphating is carried out in an acidic solution containing Zn, Mn and the like.
Technical Parameters
Item | Technical index |
Appearance | Light green |
Operating temperature | 50-80°C |
Free acidity | 6-7pt |
Processing time | 5-10min |
Total acidity | 40-50pt |
Medium temperature Zn phosphating can be used for all kinds of rigid iron parts of the spraying, paint, coating and electrophoretic paint and other pre-treatment, especially for automotive, household appliances and other products pre-treatment and anti-rust treatment of the production process.
1.It is 25kg / drum.
2.We can do If you demand make a label on the package.
1.We had do the export for 6 years & about 20 old clients demand this product.
2.We can supply 500g free sample for your test.
3.Before our product leave factory we will do the inspection to control quality.
