Lead Lined Stainless Steel vs. Painted Cabinets: Which Is Right for Nuclear Medicine?
Shielded storage cabinets in nuclear medicine and radiopharmacy hot labs take a beating. Daily decontamination, heavy loads, chemical exposure, and strict compliance audits all add up. Based on that, which cabinet finish is better: Stainless Steel or Powder Coated Cabinets?
What Happens to Painted Cabinets in a Hot Lab
Painted and powder-coated finishes work fine for general storage. In a radiopharmacy hot lab, they tend to decay and deteriorate faster than expected.
Clinical decontamination agents and alcohol-based solutions are hard on paint over time. The surface chips, scratches, and eventually begins to peel. Once that happens, the exposed areas trap contamination and become genuinely difficult to clean properly. In a controlled area where surface wipe tests are routine, a deteriorating painted surface creates problems that compound with every inspection.
Corrosion follows shortly after. Once paint chips expose bare metal, rust takes hold and the cabinet’s useful life shortens considerably. This cost can be avoided by not choosing paint and powder coated cabinets.
Why Stainless Steel Is the Right Choice for Radiopharmacy
Stainless steel is the standard material in surgical suites, sterile processing rooms, and radiopharmacy prep areas for a straightforward reason: it does not degrade the way painted surfaces do.
The surface is non-porous and stays smooth after repeated cleaning with clinical-grade disinfectants and decontamination solutions. There is no coating to chip or peel, no seams for contamination to collect in, and no corrosion risk from exposed metal underneath. A stainless-steel cabinet cleaned on day one looks and performs the same way five years later.
Ultraray’s lead-lined stainless-steel cabinets are built to handle up to 1,500 lbs and are designed for the physical demands of daily hot lab work. The lead shielding is available in 0.25″, 0.5″, and 1″ thickness depending on what the isotopes being stored require.
Stainless Steel Also Wins on Cost Over Time
Painted cabinets may carry a lower upfront price tag in some cases, but that difference fades quickly once you factor in replacement costs. A painted cabinet that chips, corrodes, and fails compliance checks within a few years costs more in the long run than a stainless-steel cabinet that holds up through the full life of the facility. Stainless steel does not need to be replaced because the finish gave out.
What Ultraray Offers
Ultraray builds lead-lined stainless steel cabinets for every part of a nuclear medicine hot lab. Depending on what the room needs, cabinets are available with a sink, for radioisotope storage, waste handling, generator storage, PET unit dose dispensing, phantom storage, preparation, or a combination of storage and sink and waste in one unit. Custom sizes and lead shielding thickness are available across the full range.

