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Old 10-02-2020, 08:37 PM
Marty Kremer Marty Kremer is offline
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Rigidizing fiberboard

It's been a long time since I played with ceramic fiberboard for kilnforming (aka slumping) molds. I remember the part about saturating the board with colloidal silica and drying it in a slow vented kiln but I forget if there's a cure step at higher temps before actually using it.
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Old 10-04-2020, 08:20 AM
Rosanna Gusler Rosanna Gusler is offline
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I kiln wash it then fire it to 100f above process temp.
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