The safer alternative for radiation shielding windows Clear-Lead is the shatter resistant choice when a large undistorted radiation protection window is necessary. Safe to work with, the window panel can easily be cut with commonly used tools and fit to standard lead-lined window frames. Clear-Lead is a unique, versatile, transparent acrylic plastic containing 30% lead by weight. The windows offer effective radiation protection with superb light transmission. Biodex offers the Clear-Lead Windows in six different thicknesses; the amount of lead equivalent radiation protection is relative to the thickness. Biodex stocks the most popular sizes and thicknesses. Included with each window are comprehensive cutting instructions.