KR-628 is composed of organophosphine acid, polycarboxylic acid, sulfosalt copolymers and thiazole. It can chelate and disperse calcium carbonate and calcium phosphate scales. KR-628 has good scale inhibition effect on steel & iron and copper. KR-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 C6H5N3) | 2.0 min |
| pH(1% water solution) | 2.5±1.0 |
| Density (20℃), g/cm3 | 1.10 min |
Add KR-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.
200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place.
