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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Sealant and/or glue used in ancient alchemy and pottery
See full technique reference →Lute was a substance used to seal and affix apparatus employed in chemistry and alchemy, and to protect component vessels against heat damage by fire; it was also used to line furnaces. Lutation was thus the act of "cementing vessels with lute".
Medieval alembic sealing (European alchemy): airtight distillation
Song Dynasty kiln lining (Chinese ceramics): thermal protection
Islamic pharmacy vessels (Middle Eastern medicine): moisture barrier
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cracking under heat
Cause: rapid temperature changes
Fix: gradual heating and cooling cycles
adhesion failure
Cause: surface contamination
Fix: proper surface degreasing