Antox 71-E is a high-performance stainless steel pickling paste specially formulated to remove weld scale, heat tint, and oxide contamination caused by TIG, MIG, or spot welding. It ensures a clean, bright finish and restores the natural corrosion resistance of stainless steel surfaces.
At Moleroda, we supply Antox 71-E in 2kg tubs, ideal for workshop and on-site stainless steel fabrication and maintenance.
Key Features & Benefits
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Deep Cleaning Action – Removes oxide scale, heat tint, and welding discoloration quickly and effectively.
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Restores Corrosion Resistance – Re-passivates stainless steel surfaces, ensuring long-term protection against rust.
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Thick Paste Formula – Ideal for use on vertical and overhead welds; adheres well for even coverage.
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High Coverage – 2kg tub covers approximately 80–150 metres of weld seams (5cm wide).
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Professional Finish – Leaves a bright, clean, and uniform stainless steel surface.
Applications
Antox 71-E Pickling Paste is suitable for:
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Stainless steel welds, seams, and joints
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Heat-affected zones after welding or heat treatment
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Fabrication of tanks, pipes, and stainless steel structures
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Food processing, pharmaceutical, marine, and architectural stainless steel components
Compatible with TIG, MIG, and spot welds on grades such as 304, 316, and 321 stainless steels.
How to use Antox 71-E Pickling Paste
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Clean the surface of grease, oil, and dirt.
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Apply Antox 71-E paste with an acid-resistant brush to welds or discoloured areas.
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Allow to react for 15–60 minutes depending on temperature and steel grade.
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Rinse thoroughly with clean water (preferably high pressure).
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The surface will appear clean, bright, and ready for further finishing or inspection.
Safety Information
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Contains nitric acid and hydrofluoric acid – handle with care.
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Use appropriate PPE: acid-resistant gloves, eye/face protection, and adequate ventilation.
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Neutralise and dispose of rinse water safely in accordance with local regulations.
For a non-hazardous, eco-friendly alternative, try electrolytic weld cleaning with the EW Combi Electro Wand Weld Cleaner.
Machines, Tools & Equipment
Frequently Asked Questions (FAQS)
What is Antox 71-E Pickling Paste used for?
Antox 71-E is used to remove weld scale, heat tint, and oxide discoloration from stainless steel surfaces after welding or heat treatment, restoring corrosion resistance and a clean finish.
How much surface area does a 2kg tub cover?
A 2kg tub typically covers 80–150 metres of weld seams (5cm wide), depending on surface condition and application thickness.
Is Antox 71-E suitable for all stainless steels?
Yes, it works on most stainless grades including 304, 316, 321, and duplex alloys.
How long should the paste be left on the weld?
Typically 15–60 minutes depending on temperature and steel grade. Do not allow the paste to dry on the surface.
Do I need to neutralise after rinsing?
A thorough water rinse is usually sufficient, but neutralisation can be used if required by site or environmental policy.
What safety precautions are needed?
Always wear acid-resistant gloves, apron, and face protection, and work in a well-ventilated area.