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Pass-Through Materials
Material Characteristics
304/316 Stainless Steel
More on electropolishing
  • Strength, durability
  • Resists solvents and strong cleaning agents
  • Conductive surfaces minimize ESD danger
  • Type 316 stainless steel offers higher resistance to corrosion and oxidation than Type 304 SS due to 2% molybdenum content, and is commonly preferred for bio-pharmaceutical equipment.
  • Electropolishing remove subsurface contaminants for optimal cleanliness
Powder-Coated Steel
  • Strength, durability, easy cleaning with most cleaning agents (including alcohol)
  • Can be scratched by metal-on-metal contact, leading to corrosion and contamination
  • Damaged by acids
(Common tradename: Plexiglas®)plexiglas
  • Clear, lightweight
  • Strong, rigid – stainless steel-reinforced doors & hardware
  • Inexpensive
  • Avoid in aseptic applications: Damaged by alcohol and other cleaning agents
  • Avoid in ESD-sensitive applications: Generates surface charges
  • Hard to clean:surface charges cling to particles
  • Strong, rigid
  • Inexpensive
  • Resists alcohol and many other cleaning agents
Static-Dissipative PVC

See the difference!
  • Clean and ESD-Safe: dissipative surface charges to ground to prevent ESD and particle attraction
  • Easy to sterilize: Resists alcohol and other cleaning agents
  • Nearly transparent: full product visibility
  • Stainless steel-reinforced doors & hardware
  • Not recommended for temperatures ≥120°F (49°C)
Polypropylene (white)
  • Excellent chemical compatibility, particularly to acids
  • Strength – stainless steel-reinforced doors & hardware
  • Avoid in ESD-sensitive applications: generates surface charges
Chemical Compatibility Charts