Ferrous / Nonferrous Metal Zinc Phosphate Powder For Acid Surface Conditioning
Certification:CE,FCC,MSDS
Suitable for surface treatment of any kinds of ferrous metals,nonferrous metal zinc phosphating,modified zinc.
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Brief Introduction |
JH-8368 can shorten phosphating time,improve phosphating quality,remove minor rust on surface,deduce production cost,prolong service life. |
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Preparation of tank liquid |
Add three-quarters of cold water into working tank, add 2-4kg JH-8368 surface conditioning agent. |
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control parameter |
Total alkali 1~2 PH 7.5~9.5 Temperature Room temperature Processing time 60-120min |
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Preparation of tank liquid |
Replenished on a regular basis, completely replace the tank liquid every 30 days |
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test method |
Total alkali 1) pipette take 10 ml liquid into the Erlenmeyer flask 2) drops 3 to 4 drops of bromophenol blue indicator; 3) while swinging with 0.1N sodium hydroxide to color from yellow to blue; 4) the number of 0.1N sodium hydroxide used is free acidity. |
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Attention |
Wear protective glasses, rubber gloves and wear protective clothing during processing. Avoid direct contact with eyes,skin,clothing and equipment. Get medical attention if accident happen. |
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packing |
25kg/bag |
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guarantee period |
One year |
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wastewater treatment |
Tank liquid is weak alkaline ,and contain phosphate,sewage may be required to neutralize or waste water treatment. |
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