For decades, pickling paste has been widely used in stainless steel fabrication to remove heat tint and restore corrosion resistance after welding. But while effective, traditional pickling paste introduces serious health, environmental, and operational risks that many modern workshops are now actively trying to eliminate.
As workplace safety standards tighten and customers demand cleaner, higher-quality finishes, fabricators are turning to safer and more efficient alternatives.
That’s where the Orbimax Passivation range and the PX Passivation Workstation offer a smarter solution for professional stainless steel finishing.
Why Pickling Paste Is Becoming a Problem for Modern Workshops
1. Serious Chemical Safety Risks
Most pickling pastes contain highly aggressive acids, including:
- Hydrofluoric acid
- Nitric acid
These chemicals can cause:
- Severe skin burns
- Respiratory damage
- Long-term health complications
- Dangerous workplace exposure risks
Hydrofluoric acid is particularly hazardous because exposure symptoms may not appear immediately, even while tissue damage is occurring beneath the skin.
Using pickling paste safely requires:
- Full PPE
- Chemical handling training
- Dedicated ventilation
- Spill management procedures
- Hazardous storage compliance
For many fabrication businesses, this creates unnecessary risk and liability.

2. Environmental and Disposal Concerns
Pickling paste waste cannot simply be rinsed away like ordinary workshop residue.
The acidic runoff requires:
- Neutralisation
- Controlled disposal
- Environmental compliance procedures
Improper disposal can lead to:
- Soil contamination
- Water pollution
- Regulatory penalties
- Increased waste management costs
As more businesses focus on sustainability and environmental responsibility, reducing hazardous chemical use has become increasingly important.
3. Slow and Labour-Intensive Process
Traditional pickling paste workflows involve multiple manual steps:
- Applying the paste
- Waiting for chemical reaction time
- Rinsing thoroughly
- Neutralising residue
- Cleaning the surrounding area
This process consumes valuable labour hours and slows production throughput — especially on larger fabrication jobs.
4. Inconsistent Finish Quality
Because pickling paste relies heavily on manual application and timing, finish quality can vary significantly between operators.
Common issues include:
- Uneven cleaning
- Surface dulling
- Over-etching
- Residual contamination
For industries like food processing, pharmaceuticals, marine, and architectural stainless fabrication, consistency matters.
A Smarter Alternative: Orbimax PX70/PX80
Instead of relying on hazardous chemical pastes, modern electrochemical weld cleaning systems provide a faster, safer, and cleaner approach.
The Orbimax Passivation range is designed to clean, passivate, and polish stainless steel welds efficiently while significantly reducing the dangers associated with traditional pickling paste.
Benefits of the PX70/PX80
Safer Workshop Environment
The PX70 and PX80 reduces direct exposure to dangerous acids and minimises hazardous chemical handling, helping workshops improve WHS compliance and operator safety.
Faster Weld Cleaning
Electrochemical cleaning dramatically speeds up post-weld finishing compared to traditional paste methods, reducing downtime and labour costs.
Professional Surface Finish
The PX80 SMART delivers:
- Bright, clean weld finishes
- Uniform passivation
- Reduced discolouration
- Improved corrosion resistance
This is especially valuable for:
- Food-grade stainless steel
- Pharmaceutical equipment
- Architectural fabrication
- Marine applications
- High-end TIG welding work
Cleaner and More Sustainable
With less hazardous waste and easier cleanup, the PX80 SMART supports more environmentally responsible fabrication practices.
Adding Another Layer of Safety: PX Passivation Workstation
For workshops that want to maximise operator safety and process control, the PX Passivation Workstation provides an additional level of protection and efficiency.
Why the PX Passivation Workstation Matters
Even with safer electrochemical systems, managing fluids and weld cleaning processes properly remains important in busy fabrication environments.
The PX Passivation Workstation helps workshops:
- Improve operator safety
- Create cleaner workstations
- Better contain cleaning processes
- Reduce unnecessary exposure
- Improve workflow organisation
For businesses prioritising workplace safety culture, this workstation becomes an excellent complement to the PX80 SMART system.
Ideal for High-Volume Fabrication Environments
The PX Passivation Workstation is particularly valuable for:
- Industrial fabrication workshops
- Stainless steel production facilities
- Food-grade fabrication
- Pharmaceutical manufacturing
- High-throughput welding operations
By creating a dedicated passivation and cleaning station, workshops can improve both safety compliance and operational efficiency.

The Industry Is Moving Beyond Pickling Paste
Modern fabrication businesses are under increasing pressure to:
- Improve workplace safety
- Reduce hazardous chemical use
- Increase production efficiency
- Deliver premium-quality finishes
- Meet environmental expectations
Traditional pickling paste struggles to meet these modern demands. By combining the Orbimax Passivation range with the PX Passivation Workstation, workshops can create a safer, cleaner, and more professional stainless steel finishing process.

Written by Aaron Hollingworth , Orbimax Operations Manager
Aaron has an extensive career in the automotive and general mechanical sales industry with leading national brands. As the Operations Manager with Orbimax, Aaron is responsible for sales, customer service and business development in order to deliver product knowledge, industry insight and an all-round exceptional customer experience for Orbimax customers.

