MarbleCast

MarbleCastSlow1kg B3F9E7DC-B4B0-004D-B561-2BB2AB9C2CC1
Gypsum
Instructions for using MarbleCast gypsum: Mix plaster with water, soak briefly, and mix mechanically. Set begins in 10 min and ends in 13 min with hardening by 30 min. Always add powder to water, not the reverse. Times may vary with temperature.
€ 4.78

(€ 3.95 without 21% VAT)

In stock

Description

MarbleCast Alpha Crystalline Gypsum – Standard Setting

MarbleCast Alpha Crystalline Gypsum is a professional-grade casting material formulated for exceptional strength, precision, and surface detail. Made from high-purity alpha hemihydrate crystals, it delivers superior density, smoothness, and minimal expansion, making it ideal for sculpture, lifecasting, mold-making, and decorative casting applications.

The recommended mixing ratio is 100 parts powder to 25–30 parts water, providing a workable, creamy consistency with excellent flow and detail capture. Allow the plaster to soak for 30 seconds before mechanically mixing for 1 minute to ensure even dispersion and minimal air entrapment.

This standard-setting formulation offers a beginning of set at around 10 minutes, end of set at 13 minutes, and a full hardening time of approximately 30 minutes, allowing ample time for precise application and finishing. Once cured, MarbleCast produces a bright, hard surface with excellent edge strength and dimensional stability.

Important:

Always weigh the water first, then add the powder to the water—never the reverse.

Setting times may vary with ambient temperature and water conditions.

MarbleCast ensures reliable, high-quality results for both artistic and industrial casting projects.

Instructions

Available in Gypsum
Product Expansion Mix Ratio By Volume Mix Ratio By Weight Expansion Weight Mix Ratio Set Time Product Name
Gypsum Retarder - - - - - - - -
UltraCal Lowest of any rapid-setting gypsum cement 38 parts water by weight per 100 parts plaster 50 lbs Lowest of any rapid-setting gypsum cement 50 lbs 38 parts water by weight per 100 parts plaster 25-35 min. Ultracal-30
PlasterCast - - - - - - - -
Plaster Bandage 5 roll Package - - - - - - - -
CalCast - - - - - - - -
Plaster Bandage Single - - - - - - - -
Plaster Splints - - - - - - - -
MarbleCast - - - - - - - -

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