Alro logo Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics, Alro Industrial Supply and Alro Metals Outlet.

Alro Plastics Product: King Plasti-Shield®

King Plasti-Shield®



Size and Availability:

Sheet / Slab stock
- Thickness: 1” thick (+/-5%)
- Sheet size: 48” x 96”
- Colors: 5% Purple and 2% Red

King Plasti-Shield® is an effective shielding material with 5% boron by weight and our trademark purple color to meet all applicable applications for healthcare cancer treatment centers, diagnostic and hospital facilities. Applications include linear accelerators, nuclear or radiation shielding, industrial use, security such as seaports and airport security, nuclear submarines, nuclear power plants, border protection and other applications requiring attenuation of thermal neutrons.

King Plasti-Shield® is certified by prime vendors of the U.S. government as the source for Grade II and Grade III neutron shielding material on nuclear submarines and naval warships. Our process, materials, quality programs, sampling, testing, tracing and packaging all meet or exceed military specifications such as MIL-P23536A and EB2562E. We use MIL-STD-45662 for internal calibration system traceable back to NIST.


  • Airport & Sea Port Security
  • International Border Security
  • Doors for Linear Accelerators
  • Medical Vaults
  • Nuclear Reactors
  • Nuclear-Powered Vessels
  • Research Applications