{"product_id":"prima-rock-33lb-15kg","title":"Prima Rock 33lb\/15kg","description":"PRIMA-ROCK has the highest compressive strength of any Whip Mix die material. Vacuum spatulation provides a smooth mix which flows readily. It’s compatible with all types of impression materials and upon setting, PRIMA-ROCK develops a dense surface with superior hardness.\u003cbr\u003e\u003cbr\u003eWater\/Powder Ratio: 20 mL\/100 g \u003cbr\u003eWorking Time: 6 - 8 minutes \u003cbr\u003eSetting Time: 12 minutes \u003cbr\u003eSetting Expansion: 0.13% \u003cbr\u003eCompressive Strength, Wet: (1hr.)8,000 psi (55 MPa)Compressive Strength, Dry: (48 hrs.)17,000 psi (117 MPa)","brand":"Whip-Mix Corporation","offers":[{"title":"Prima Rock Ivory 33lb\/15kg","offer_id":40350930567347,"sku":"375-330035","price":86.7,"currency_code":"USD","in_stock":false},{"title":"Prima Rock Violet 33lb\/15kg","offer_id":40350930600115,"sku":"375-330036","price":86.7,"currency_code":"USD","in_stock":true},{"title":"Prima Rock Yellow 33lb\/15kg","offer_id":40350930632883,"sku":"375-330037","price":86.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0293\/2985\/0467\/products\/media_abbf6826-311c-45b2-ae06-8007cc2a8b7f.png?v=1628696612","url":"https:\/\/curio.dental\/products\/prima-rock-33lb-15kg","provider":"Curio.Dental","version":"1.0","type":"link"}