Wednesday, December 25, 2019

Burn out oven repair

In the mean time I tested my sodium silicate.  Measured out .01lb of SS and added it to .24lb of play sand for a 4% mix.  Mixed sand with a plastic spoon on a paper plate.  Nuked for 60s, 30s,  cooled, then another 120s.   Total 3m 30s.




Results were very good.  Wonder why it did not work well last time I tried it.


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1 comment:

  1. Herbert M. ReedJanuary 15, 2020 at 11:51 PM

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