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What I have seen a small re-builder do :
1. Clean glass surfaces.
2. Support the tube face up.
3. Lay spacer rods ( nylon? 3/16"?) on the face of the tube on a diagonal, with the ends sticking out about 2" apart at the top of the tube.
4. Place safety glass in position, center and tape around the tube, leaving a gap between the rods.
5. Stand the tube up (support the neck) with the gap at the top.
6. Pour/inject the (heated) resin mix through the gap, slowly to avoid bubbles.
7. When almost full, pull the spacer rods out, top off and tape the top gap.
8. Rest tube on its face (on rubber Donut?) until resin cures... tape leaks if necessary. Any bubbles should rise to the edges of the tube, or may be "fished" with a small piano wire if necessary.
I think the resin was PPG 5252.
jr
Last edited by jr_tech; 01-31-2011 at 01:52 PM.
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