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Letter 2087
Sodium Chromate Tetrahydrate?
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Sodium Chromate Tetrahydrate- Na2CrO4:4H2O,
I have heard of this chemical being used as a chromate treatment
on steel, followed by a Sodium Hydroxide dip and oven dry. Who can
shed some light on this process?
Dave McKay Norman Noble, Inc. - Highland Hts, OH
April 6, 2007
Dear Sir,
I want steel gray colour coating on seed glass beads using the cool
process of lusturing.
Kindly suggest the name of chemical for the purpose.
I will appreciate & awaiting for early response.
Jagdamba Prasad
Chaturvedi
- Valsad, Gujarat, India
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