/vr/ - Retro Games

>>9095273
>>9095401
>>9095417

Lead was used to both block X-rays and strengthen the tube from implosion. It was the primary reason Sony's engineers were able to create the FD Trinitron in 98, which is why they are typically much heavier than their same size counterparts.

Due to being a necessity of everyday life at that time, CRTs were grandfathered in (Resource Conservation and Recovery Act (RCRA)) when laws were passed restricting it.

>>9095771
Lead is the only element that blocked X-rays enough to satisfy EPA requirements for daily household use.