This product is a calcium's sulphate “alpha” hemihydrated gypsum obtained from highly select and purity mineral exposed to high pressure calcinations to achieve a product of maximum whiteness.

Characteristics

The crystal of this gypsum has a few porosity, very pure an very regular shape that permits the use of very small amount of strength, hard models and exceptional whiteness.

Compressive Strength

850 Kg/cm2 after 48 hr of setting and using mix rate of 30 cc water with 100 g powder.

Setting Expansion

The setting expansion for this gypsum is controlled in 0.076% linear.

Grinding

90% pass trough a 250 mesh.

“Vicat” Setting Time

Of 5 to 10 minutes.

Package

Plastic can with hermetic seal containing 25 Kg packed in 1 Kg polyethylene bags. Card box containing 10 Kg packed in 1 Kg polyethylene bags.

Usos

Used for working and studying models with a pure white color.

Physical Properties