Rocor NB Liquid supplier Manufacture in Durgapur west bengal india
Rocor NB Liquid is a highly effective corrosion inhibitor for the common ferrous and non-ferrous metals in cooling water systems. The stable oxide film that is formed prevents corrosion caused by the electrolytic action between dissimilar metals used in the system. Rocor NB Liquid has been field tested and found to have no detrimental effects on nonmetallic substances such as seals, glands, packing, hoses, gaskets etc., normally used in these systems. The compound is alkaline and so will suppress acid corrosion, which would otherwise result in corrosion damage such as pitting. However, the alkalinity control is such that even if the product accidentally overdoses, the pH of the water will remain within limits. The metals which would be affected by extremes of alkalinity or acidity are protected. In cases where systems are contaminated with oil and/or scale, they should be cleaned before starting to apply Rocor NB Liquid. There are suitable Unitor products to carry out the cleaning. Degreasing should be carried out using Seaclean Plus and descaling by using Descaler. Refer to Water Treatment Handbook. The use of antifreeze is sometimes required if the vessel is to be laid up in cold areas and so Rocor NB Liquid can be used in conjunction with antifreeze products. If the system contains galvanized parts, it is advisory to clean the system with Descalex prior to commencing the treatment. Caution: This product should not be used in systems containing aluminum parts in cooling water spaces! Dosing method Rocor NB Liquid should be dosed to a suitable point in the system. If the expansion tank is used then adequate circulation must be assured. Sampling and testing The Unitor Spectra pack Test Kit provides the necessary equipment to carry out the control tests. Obtain a representative sample of the cooling water. Carry out the tests immediately after sampling (following the instructions given in the Test Kit) and log the results on the log sheets provided by Unitor. These log sheets should be returned to the Unitor Rapid Response Center for review.Use the dosage chart overleaf to adjust treatment to obtain the optimum level. It is important that testing is carried out at least once per week, to ensure levels of treatment are correct. Features Liquid product, easy to use. By forming an oxide film on the metal surfaces electrolytic corrosion is prevented. Effective against cavitation and erosion. Compatible with hoses, gaskets, and seals. Compatible with glycol used for frost protection. Simple control tests. The product can be used for corrosion inhibition in many types of closed recirculation system such as Diesel engine cooling water systems. - Compressor.
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