Achieve exceptional strength and detail with USG Hydrostone, the industry’s most trusted gypsum cement for ultra-durable and precise castings. Engineered for demanding applications, Hydrostone is ideal for solid and hollow castings of intricate sculptures, figurines, molds, and architectural elements. Why Choose USG Hydrostone? Unmatched Strength & Durability: With a compressive strength far superior to standard plaster, Hydrostone delivers castings that are not only highly detailed but also incredibly tough—reducing breakage and wear over time. Exceptional Surface Hardness: The dense, smooth surface finish makes Hydrostone perfect for applications where abrasion resistance and longevity are essential. Fast Set Times: Achieve production efficiency with a quick set time—ideal for commercial molding operations or high-volume craft production. Low Expansion for Dimensional Accuracy: Get consistent, reliable results thanks to Hydrostone’s low setting expansion, which ensures your castings retain their true shape and fine details. Versatile Application: Whether you’re casting decorative elements, industrial models, or artistic pieces, Hydrostone performs flawlessly in both solid and hollow pours. Popular Uses: Mold making and rubber mold backings Interior statuary, architectural castings, and ornamental pieces Themed environments and set design Figurines, art pieces, and detailed reproductions Available in convenient packaging to suit workshops, studios, and large-scale operations. When performance matters, choose Hydrostone for results that speak for themselves. Order now and experience the professional difference of USG Hydrostone. On Sale Until June 30th - $85.00 Including GST! 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-l