concentration(%)

temperature(℃)

Time (min)

301

20-30

normal atmospheric temperature-60

5-30

Low corrosivity and good effect

303

20-30

normal atmospheric temperature-60

5-30

Strong lengthening derusting, no rust on the welding part, and coating can be used.

303S

20-30

normal atmospheric temperature-60

1-5

For spray type

304

25-30

normal atmospheric temperature-60

5-15

Derusting and degreasing

305

25-30

normal atmospheric temperature-60

5-15

Derusting and degreasing

306

Stock solution

normal atmospheric temperature-60

1-5

Rust removal and film formation by brushing

400

20-30

normal atmospheric temperature-60

5-30

 Rust removal and film formation by immersion or spray method