USG Terra Alba 5lb Box

Article number: 47800
Availability: In stock (5)

USG Terra Alba No. 1 is a dihydrate form of calcium sulfate produced by fine grinding and air-separating high-purity, white gypsum containing 20% water of crystallization.  It releases combined water as it is heated above 50°C, releasing 75% of water as temperatures reach 180°C (only when temperatures exceed 400°C is water totally removed). USG Terra Alba No. 1: Can be used as a flame-retarding filler when processed at room temperature Contributes to desired expansion, green strength and controlled set in specialty cement applications Is a relatively soft material (2-3 Mohs scale hardness) contributing to minimal wear on equipment.


• Flame-retarding filler when processed at room temperature

• High purity

• White in color

• Low abrasion to processing equipment

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