Water Treatment Chemicals, Phosphonates, Polymers, Biocides

Built Scale & Corrosion Inhibitors and Pretreatment Filming Agent

IR-628 Scale and Corrosion Inhibitor


IR-628 is composed of organophosphine acid, polycarboxylic acid, sulfosalt copolymers and thiazole. It can chelate and disperse calcium carbonate and calcium phosphate scales. IR-628 has good scale inhibition effect on steel & iron and copper. IR-628 can be operated under high concentration index in power plant, chemical plant and central air conditioner.


items index
Appearance Amber liquid
Solid content,% 30.0 min
Total phosphoric acid,(as PO43-)% 15.0 min
Thiazole (as C6H4NHN:N) 2.0 min
pH,(1%water solution) 2.5±1.0
Density(20℃) , g/cm3 1.10 min


Add IR-628 into plastic pool (or box) every day, dilute with water and continuously add into inlet of dosage pump or metering valve (outlet of collecting tank). The dosage of 5-20ppm is preferred.

Package and Storage:

25kg or 200kg in plastic barrel, or confirmed by clients. Storage for ten months in room shady and dry place.


IR-628 Scale and Corrosion Inhibitor

Shandong IRO Water Treatment Co., Ltd.

Office Address: 2802, 1st Building, No.19 Zhangzhou 2nd Rd, Qingdao, China
Factory Address: Qicun Town, Shizhong, Zaozhuang, Shandong, China
Tel: +86-532-85027466 Fax: +86 532 85028486
Email: info@irowater.com

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