Pretreatment Filming Agent
Properties: Pretreatment filming agent containing inorganic phosphorus compound and zinc salt. It is a kind of highly effective inhibitor to be able to chelate with metal ions in water and to form a dense protective layer.
Usage: Mainly used for the pretreatment of circulating cooling water.
Items Index |
appearance white solid powder total inorganic phosphorus(PO43-) 60-65 zinc salt(Zn2+) 9.5-11.5 water insoluble matter% <0.05 PH(1% solution) 5.0—7.0 |
Method of Use: Dosing the pre membrane agent 500ppm. It can be run 12-24 hours at pH 6-7
Packing: Using polyethylene plastic woven bag, each bag’s net weight is 25kg.
Storage Conditions: It should be stored in a ventilated and dry warehouse. The storage period is one year.
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