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E-mail: export@krchemical.com
ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China

KR-658 Scale And Corrosion Inhibitor for High Hardness Water


This product is composed of organophosphine acid, polycarboxylic acid, sulfosalt copolymers, corrosion inhibitor and special surfactants. It can be used in circulating cooling system in which calcium hardness and alkalinity is up to 1500ppm and operation is under high concentration index.


AppearanceLight yellow liquid
Solid content, %45.0min
Density (20℃), g/cm31.20min
pH(1% solution)2.0±1.0


Add KR-658 into plastic pool or box, dilute with water and continuously add into inlet of dosage pump or metering valve (outlet of collecting tank). The dosage of 10-30mg/l is preferred (based on added water)

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place

Safety and protection:

Weak acidic, avoid contacting with eye and skin, once contacted, flush with water.