Makes the commercial Gravi-Tech™ polymer metallic composite to replace the lead, may avoid with the lead related supervision, the cleaning up and the staff contacts the question. The Gravi-Tech compound materials have many ranks to be possible to use in protecting radiation the application, its protection and the traditional lead product are the same, but this compound materials compared to traditional lead class product weight light 37%. Other and lead density match anti-radiation rank also available (11gm/cm3).
