Alro logo Alro Steel was established in 1948 by Al and Robert Glick. Today, Alro is comprised of Alro Steel, Alro Metals, Alro Plastics and Alro Metals Outlet.

Alro Plastics Product: ZELUX® (Polycarbonate)


Size and Availability:

Sheet / Slab stock
- Thickness: 3/8”thk to 4”thk standard
- Sheet sizes: 24” x 48” standard
- Custom sheet sizes available upon request

Rod / Round stock
- Diameters: 1/8”dia to 15”dia
- Rod lengths: Varies by diameter size

Film / Thin gage stock
- Thickness: .001”thk to .029”thk
- Sheets / Rolls: Varies by thickness

Zelux® polycarbonate is an engineering plastic with excellent dimensional stability and good strength and stiffness over a wide range of service temperatures. Zelux® is often used for structural applications when clarity and impact strength are essential including lenses, manifolds, site glasses, and machine guards.

Zelux® is used for a wide variety of electrical applications since it has low moisture absorption, good insulating properties, and an excellent flammability rating. Zelux® polycarbonate is easy to fabricate, paint, and glue/bond. Zelux® is a registered trade name of Westlake Plastics.

Zelux® W is the Window grade (optically clear). Zelux® M is the machine grade, stress relieved (natural and black). Zelux® M-GF is glass-filled grades, 10%, 20%, 30% and 40%. FDA compliant grades and colors are available on a custom basis.


  • Optical clarity (window grade)
  • Excellent impact resistance
  • Excellent dimensional stability
  • Low moisture absorption
  • Easy to machine
  • Easy to fabricate, paint and glue
  • Good strength & stiffness over a wide temp range
  • Good electrical insulating properties


  • Site glasses
  • Viewing windows
  • Impact shields
  • Fluid handling components
  • Manifolds
  • Scientific & analytical instrument components
  • Electrical components
  • Housing and covers