This SI‑400 (T) corrosion inhibitor forms a protective film on the metal surface. It cuts base metal attack, controls metal loss, and suppresses acid fumes during hot pickling and descaling. The result is faster, safer, and more consistent pickling performance across steel, stainless steel, SS tubes, sections, and fabrications.
For plants running hot hydrochloric or hot sulphuric acid pickling, SI‑400 (T) industrial acid inhibitor offers stable protection at elevated temperatures. It helps extend bath life, improve surface quality, and reduce unplanned downtime in continuous and batch lines.
See how our high dilution ratio reduces chemical costs while maintaining superior cleaning results.
SI‑400 (T) protects steel and stainless steel in hot hydrochloric and sulphuric acid pickling baths.
Controls acid attack on the base metal, reducing metal loss and preserving dimensional accuracy during aggressive pickling.
Specialized formulation helps suppress acid fumes in hot baths, supporting safer, cleaner working conditions.
Designed as an SI‑400 (T) metal pickling inhibitor for HCl, H₂SO₄, or their combinations in industrial pickling tanks.
Promotes even pickling, cleaner surfaces, and better preparation for downstream coating, plating, or passivation.
Maximize protection and bath efficiency with correct SI‑400 (T) dosing and control in your pickling line.
|
Parameter |
Recommendation |
|
Typical Dosage |
0.1–0.3% SI‑400 (T) of the total acid volume in the fresh bath. |
|
Bath Type |
Hydrochloric acid and/or sulphuric acid pickling baths. |
|
Substrates |
Carbon steel, stainless steel, SS tubes, profiles, coils, and fabricated parts. |
|
Operating Conditions |
Suitable for elevated temperature pickling and hot descaling processes. |
| Make‑up & Top‑up | Maintain inhibitor level whenever fresh acid is added to the bath |
Pro Tip: For high temperature pickling and hot descaling lines, monitor inhibitor concentration along with acid strength. Keeping SI‑400 (T) within the recommended 0.1–0.3% range helps maintain stable corrosion protection at elevated temperatures.
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