Product Announcement from Astro Pak Corporation

Ultra Pass® Passivation-Image

We didn't invent chelant passivation, we're perfecting it.

You may have heard of Ultra Pass® passivation. With over 50 years of scientific research behind it, we'd be surprised if you haven't. To Astro Pak chemists, the idea seemed simple: Produce high surface chromium levels creating the best corrosion resistant passive surface. Through extensive research and development, our chemists were able to find the optimal citric acid chelant process, Ultra Pass®, and bring it out of the labs and into the field.

But it didn't stop there. Understanding that field conditions and project requirements can vary considerably, Ultra Pass® was created with built-in versatility for needs requiring individualized solutions. It is through our ongoing lab research that we're able to continue the heritage of delivering the most advanced passivation processes today and into the future.

Astro Pak Capabilities

  • On-site and In-house Services
  • Ultra Pass® (Citric Acid Chelant) Passivation of Stainless Steel
  • Nitric Acid Passivation of Stainless Steel and Other Alloys
  • Pickling and Passivation
  • Cleaning and Passivation for Pre-Commissioning, Maintenance, Planned Shutdown and Emergency Outage Projects
  • Professional Consulting

Ultra Pass® Passivation Benefits

  • Drastically improves surface chemistry
  • Restores and protects vulnerable weld and Heat Affected Zones from corrosion
  • Exceeds the SEMI F19-95 Cr/Fe, CrO/FeO ratios
  • More effective treatment than electropolishing on intricate paths
  • Green (eco-friendly) process

Part and System Cleaning Experience

  • WFI (Water for Injection)
  • Pure Steam and Clean Steam
  • Reverse Osmosis
  • De-ionized Water
  • High Purity Gas and Vacuum
  • Product and Process
  • Pure Steam Generators
  • CIP and SIP Skids and Components
  • Autoclave and Isolation Barriers
  • Vessels and Tanks
  • Fermenters and Bio-reactors
 
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