ULTRACAL 30 Gypsum Cement is a super-strength gypsum cement recommended where extreme accuracy and greater surface hardness are required, as in duplicator models. ULTRACAL 30 cement has the lowest expansion of any rapid-setting gypsum cement available. Has a gradual set and long period of plasticity. Ideal for splash-casting molds and models for phenolic, polyester and epoxy resins.
USG Material Calculator
|Mix Ratio by Weight
|38 parts water : 100 parts powder
|(hand mix) 25 - 35 min
Maximum Setting Expansion 0.080%
Density Wet 115.0 lb/ft3
Density Dry 99.0 lb/ft3
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