Ultracal 30 25lb Box

Article number: 47900A
Availability: In stock (11)

USG Ultracal® 30 Gypsum Cement is a traditional tooling gypsum cement, specially formulated for close tolerance tooling. Low absorption USG Ultracal® 30 Gypsum Cement:

  • Is recommended where extreme accuracy and surface hardness are required (i.e. duplicator molds)
  • Provides the lowest expansion of any rapid-setting gypsum cement
  • Is ideal for splash-casting molds and models for phenolic, polyester and epoxy resins
  • Sets 25-35 minutes after machine mixing
  • Requires 38 parts water by weight per 100 parts plaster

NOTE - For best storage results, keep indoors in a dry, stable environment, away from drafts. Do not stack more than two pallets high. 

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