Gypsum Retarder

A fine additive that slows the setting time of gypsum, plaster, and cement products. Ideal for lifecasting and mold-making, it offers more working time and control without affecting final strength. Use sparingly—only small amounts are needed.

ULTRACAL 30 is a super-strength gypsum cement ideal for patternmaking, offering high accuracy and surface hardness with minimal expansion. Remember to weigh water first and add the powder to it. All times are approximate, influenced by water and ambient temperature.

High-quality gypsum for lifecasting, sculpting, and molding. Offers excellent detail reproduction and a smooth finish. Available in a 25 kg package, suitable for large projects.

High-quality, fast-setting plaster bandage ideal for lifecasting and SFX work. With a 3.5-minute working time, it applies smoothly, conforms easily, and sets into a strong, lightweight shell. Perfect for creating durable mother molds over alginate or silicone.

CALCAST® 200 is a semi-hard plaster combining cost-effectiveness with hardness. Ideal for casting decorative items, wall bricks, panels, and ornaments. Available for pick-up in Amsterdam. Note: Weigh water first, add powder to water. Times are approximate, affected by temperature.

High-quality, fast-setting plaster bandage ideal for lifecasting and SFX work. With a 3.5-minute working time, it applies smoothly, conforms easily, and sets into a strong, lightweight shell. Perfect for creating durable mother molds over alginate or silicone.

Cellona plaster bandage splints are ideal for making quick support shells on alginate, body double, or silicone brush-up molds, offering lightweight, sturdy, and easy-to-use reinforcement.

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.