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How to Reduce Zn phosphate spray type coating weight?

We would like to know the method of reducing the coating weight of Zn phosphate. (Phosphating is spray type at 50Deg. Centigrade. Now we are observing about 5.5 gm/ sq.meter

Ganesh Pandit
- Tamilnadu, India
2005

Hi Ganesh

The easiest ways to reduce coating weight are to reduce temperature or contact time.

George Gorecki
- Naperville, Illinois
2005

Dear Ganesh,

Coating weight depends on the temperature and time of application. However, you have to ensure that the coating uniformity is maintained.

For what applications you are using the coatings?

Grain refiners works well in immersion type baths to get a reduced coating weight without affecting the quality of the coating.

T.S.N. Sankara Narayanan
- Chennai, Tamilnadu, India
(ed.note: The good doctor offers a fascinating blog, "Advancement in Science" )
2005

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