C2H2O4 * 2H2O Oxalic Acid 25kg White Crystal For Acid Pickling

Industrial Grade C2H2O4 Oxalic Acid 25kg/bag for Acid Pickling

• Chemical formula: C2H2O4·2H2O
• CAS: 6153-56-6
• Purity: 99.6%

COA meets GB/T1626-2008:

References: Riel Chemical Lab1&2, National public service platform for standards information.

Oxalic acid chemically reacts with metal oxides (such as rust) to generate soluble complexes, effectively removing rust and oxide layers on metal surfaces.

• Steel pickling: removes rust and oxide on steel surfaces
• Copper and aluminum alloy cleaning: removes oxides from copper, aluminum and other metal surfaces

Oxalic acid dissolves dirt, scale and other deposits on metal surfaces, restoring cleanliness.

• Industrial equipment cleaning: boilers, heat exchangers and pipes
• Metal products cleaning: metal parts and products

Oxalic acid reacts with metal surfaces to form a smooth protective layer with polishing effects.

• Aluminum polishing: surface treatment of aluminum products to improve gloss
• Stainless steel polishing: polishing and maintenance of stainless steel equipment

Oxalic acid dissolves scale (primarily calcium carbonate and magnesium carbonate), producing soluble calcium oxalate and magnesium oxalate.

• Technological Innovation: Advanced R&D capabilities with strong research team and laboratories. Customized chemical solutions for specific industry needs.
• High Quality Products: International standard quality management system. Stable and reliable product performance for industrial requirements.
• Environmental Protection: Energy-saving production technologies reducing carbon emissions. Sustainable development aligned with global trends.
• Cost Effectiveness: Efficient formulations reducing customer usage costs. Extended product life reducing maintenance frequency.

We accept T/T and L/C at sight as payment terms.

Yes, we specialize in this product line and guarantee timely delivery while maintaining top quality.

Yes, we provide free samples with the customer responsible for express fees.

We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.

Yes, we welcome visits to our Weifang facility (including airport pickup/dropoff service).

Our professional after-sales team promptly addresses all quality concerns.