Gyproc Crystacal R Plaster 25kg

Product code: 190431
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Gyproc Crystacal R Plaster 25kg is a high-strength, white alpha hemihydrate plaster derived from naturally occurring, high-purity gypsum. Crystacal R serves as a reliable choice for creating study models, prosthetic models, and orthodontic applications. Its fine particle size and smooth consistency allow for detailed impressions.


With a working time of approximately 15 minutes and a demould time of around 18 minutes, this plaster enables efficient workflow. Also, with a compressive strength of 55 MPa and minimal expansion of 0.4%, your casts remain robust and dimensionally stable over time.


Proper storage is essential to maintain material integrity. When kept under dry conditions in its original packaging, Crystacal R has a shelf life of 9 months from the date of manufacture, providing ample time for use in various projects.