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Investment Cracking


#1

Suggestions, from Dan Kniffin , Westcast Investments. 505 877-2882.

Problem: Finning / Mold Cracking

Probable Rationale: Water to powder ratio too high; Investment
process taking to long; Flask put in oven before fully cured; Burnout
cycle too rapid, causing thermal shock; flask dried, then put into
oven before remoistened