Investing

[UBDent19]

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What type of gypsum (I-V) is typically used for investing crown wax patterns? Thanks!

 

[OhioDMD]

The one I always preferred was Beauty Cast from whip mix corp.
http://whipmix.com/wp-content/uploads/via-product-catalog/product_docs/invst_guide_11-09_9.pdf
Should supply you with more than enough info.Y