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Crystacal R Plaster

SKU: CRY00705

Size: 5kg (Bucket)
Sale price


Crystacal R is a formulated hemihydrate plaster (CaSO4.1/2H2O) produced from naturally occurring high-purity gypsum minerals. It is a hard plaster from the Saint-Gobain Formula range

Very White in colour, Crystacal R plaster is used to make hard casts with fine reproduction of detail. It is used in the manufacture of glass-reinforced gypsum (GRG) structures, decorative plasterwork, giftware, dental models, and more.

When stored under dry conditions and in its original packaging, Crystacal R plaster has a specified shelf life of 9 months, which commences from the date of manufacture that is printed on each sack.

Widely used as a class 3 dental plaster, it is also used for study models, as it is very white.

Dental use:

  • Prosthetic models
  • Partial models
  • Opposing models
  • Orthodontics
  • Cobalt chrome models
  • Study models


  • Plaster/Water Ratio: 100/35
  • Working Time: 15 Minutes
  • Demould Time: 18 Minutes
  • Expansion: 0.4%
  • Compressive Strength: 55 Mpa
  • Shelf Life: 9 Months

Technical Data Sheet  

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