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Author
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Topic: I need help
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marcus
Member Posts: 2
From:Lincoln, RI
Registered: Mar 2004
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posted March 31, 2004 04:38 PM
  
I need help from an industry expert who can tell me when extruders shifted from radioactive caliper to ultrasound and the significance of the switch. If this doesn't make sense it is because I have very little background in styrofoam/plastic extrusion.
Thanks in advance
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zabielski
Senior Member Posts: 298
From:McHenry, IL USA
Registered: Nov 2002
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posted April 01, 2004 07:15 AM
I would think that the primary reason is related to the detailed record keeping and costs of an annual cetification process for maintaining a radioactive isotope. It's a Federal mandate - period. Those Company's who send out trained Certifiers are'nt cheap. You have to pay them airfare, portal to portal time, as well as all expenses related to their services (hotels, meals, rental cars, etc.). Add to this that the Company you work for must have on hand at least one person who went through special training. This is also a Federal mandate, as they have to know the route of handling an exposed radio isotope in the event it was "opened" (i.e. exposed). When it is in its proper case, it is shielded, and its power is collanized (sort of like putting blinders on a horse) to focus only in one area. Decay of the radio isotope requires re-calibration periodically as well. IP: Logged |
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