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John,
Maybe someone who reads this forum would like to make a deal with you for your nice Zenith color set.
That's a shame your mom was paranoid about your safety and had your dad destroy the CRT in that set you were having luck restoring.
Delaminating the faceplate of a 21FJP22 is not without implosion risks. There are 346 sq. inches of surface area on the faceplate and at sea level multiply by 14.7 PSI and you get 5091 lbs of atmospheric pressure on the faceplate alone, more than the weight of an average car. You have to be careful of temperature gradients that put additional stresses in the glass and use no metalic scraping tools to carve out the plastic filler in between the faceplate and the CRT face. There is about 80-90 thousandths of an inch of room to work in. When you find a solvent that will break down and release the plastic filler you will be all set.
Rob
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