For an extra measure of protection, consider the Full Face
Shield, constructed of 5/16'' lead acrylic. It operates similarly
to a welder's helmet and is ideal for general and surgical procedures.
The 5/16'' (8 mm) of leaded acrylic is equal to 0.32 mm of lead.
Specifications
Lead Equivalency: .32 mm
Weight: 3.5 lb (1.6 kg)
217-520
Full Face Shield,
Lead Acrylic with .32 mm lead equivalency