Rust Converter Pickling Primer
Tannic acid-based pickling primer that converts rust to stable iron tannate on structural steel surfaces. Under 3810.10.00.00 as metal surface pickling preparation applied before painting. Single-component, no mixing required for field use.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as paint/primer
Surface coatings with incidental rust conversion go to Chapter 32 paints.
If general finishing preparations
Non-pickling metal finishing agents classified separately.
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Import Tips & Compliance
• Include application instructions proving pickling conversion mechanism
• Test for VOC compliance with US EPA paint regulations
• Use HDPE containers resistant to acidic formulations
Related Products under HTS 3810.10.00.00
Hydrochloric Acid Metal Pickling Solution
A concentrated hydrochloric acid-based solution used to remove rust and scale from steel surfaces prior to painting or galvanizing. It falls under HTS 3810.10.00.00 as a pickling preparation specifically formulated for metal surfaces, dissolving metal oxides without attacking the base metal excessively. Typically sold in industrial drums for manufacturing applications.
Phosphoric Acid Metal Descaling Paste
Thick paste containing phosphoric acid for descaling and derusting aluminum and stainless steel surfaces in aerospace and automotive repair. Classified under 3810.10.00.00 due to its role as a pickling preparation that removes oxide layers from metal via chemical reaction. Applied by brush and rinsed off after treatment.
Sulfuric Acid Steel Pickling Bath Inhibited
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Silver Solder Paste 56% Ag Flux Core
Pre-mixed silver solder paste with 56% silver content and integrated flux for HVAC and refrigeration brazing applications. Falls under HTS 3810.10.00.00 as a soldering paste consisting of metal alloys and flux materials. Provides strong, leak-proof joints on copper tubing.
Mild Steel MIG Welding Powder Flux
Granular flux powder for gasless MIG welding of mild steel, containing metal powders and deoxidizers. Classified in 3810.10.00.00 as a welding powder consisting of metal and auxiliary materials for arc stability. Used in structural fabrication and automotive repair.
Aluminum Brazing Flux Paste
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