Reynolds Advanced Materials
Since 1963
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Gypsum Cement

Exceptionally strong gypsum cement designed for stretch-press dies and producing cope-and-drag equipment. Hydro-Stone® produces high-quality, indoor novelty and statuary castings that require extremely hard surfaces and superior reproduction of fine detail. This product is self-leveling when poured and not suitable for hollow cast applications.


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Technical & Safety

Technical Bulletin


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alertThis material has a by-weight mix ratio. An accurate gram scale is recommended.