Part Of The NEW Techland TruCast™ Mold Making & Casting Line
Hydrocal White Gypsum Cement is a good multi-purpose product for people looking to upgrade from a standard plaster product to one that has a higher degree of hardness and impact resistance. Hydrocal is designed for solid and hollow casting and is ideal for giftware and lamp base applications. Hydrocal is compatible with numerous color pigments.
DIRECTIONS: Use potable water at temps between 70/100 °F. As variations in slurry (Hydrocal and water mixture) temp produce variations in set time, it is important to keep both Hydrocal and water in a stable temp environment prior to use. The higher the temp of the slurry, the shorter the set time and vice versa.
Weigh both Hydrocal and water prior to use for each mix. The water-to-Hydrocal ratio is critical as it governs the strength and the density of the final cast.
Sift or strew Hydrocal into the water slowly and evenly. Do not drop large amounts directly into the water as proper soaking may not occur. Hydrocal should be fully dispersed in water prior to mixing.
Mixing Hydrocal slurry is one of the most important steps in producing casts with maximum strength, absorption, hardness and other important properties.
Longer mixing times result in higher mold strength and shorter set times.
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