{"product_id":"crystacal-r-hard-plaster","title":"Crystacal R Hard Plaster","description":"\u003cp\u003e\u003cstrong\u003eCrystacal R\u003c\/strong\u003e is a formulated hemihydrate plaster (CaSO4.1\/2H2O) and is produced from naturally occurring high-purity gypsum minerals. It is a hard plaster from the Saint-Gobain Formula range.\u003c\/p\u003e\n\u003cp\u003eVery White, 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.\u003c\/p\u003e\n\u003cp\u003eWhen 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.\u003c\/p\u003e\n\u003cp\u003eWidely used as a class 3 dental plaster, it is also used for study models, as it is very white.\u003c\/p\u003e\n\u003cp\u003eDental use:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProsthetic models\u003c\/li\u003e\n\u003cli\u003ePartial models\u003c\/li\u003e\n\u003cli\u003eOpposing models\u003c\/li\u003e\n\u003cli\u003eOrthodontics\u003c\/li\u003e\n\u003cli\u003eCobalt chrome models\u003c\/li\u003e\n\u003cli\u003eStudy models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlaster\/Water Ratio: 100\/35\u003c\/li\u003e\n\u003cli\u003eWorking Time: 15 Minutes\u003c\/li\u003e\n\u003cli\u003eDemould Time: 18 Minutes\u003c\/li\u003e\n\u003cli\u003eExpansion: 0.4%\u003c\/li\u003e\n\u003cli\u003eCompressive Strength: 55 MPa\u003c\/li\u003e\n\u003cli\u003eShelf Life: 9 Months\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Plasters","offers":[{"title":"25kg","offer_id":21733844254833,"sku":"CRY00725","price":50.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0066\/8093\/6561\/files\/crystacal_r_2025_2.png?v=1751389721","url":"https:\/\/industrialplasters.com\/en-ie\/products\/crystacal-r-hard-plaster","provider":"Industrial Plasters","version":"1.0","type":"link"}