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Terra Alba No. 1

The dihydrate form of calcium sulfate used in low temperature thermoset plastic and specialty cement applications.

Overview

Overview

The dihydrate form of calcium sulfate used in low temperature thermoset plastic and specialty cement applications.
Often used as a flame-retarding filler when processed at room temperature.

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).

Main Features

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.

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 194.4 KB

Catalogs & Brochures

Brochure (English) PDF 3.5 MB

Installation & Technical Manuals

Technical Guide (English) PDF 689.1 KB

SDS, Certifications & Reports

SDS (English) PDF 44.4 KB
SDS (Spanish) PDF 45.3 KB
Certificates (English) PDF 158.1 KB

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Question Guidlines

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q & a

  • Is USG Terra Alba No.1 approved for use in food and pharmaceutical application?

    No it is not approved for these types of application.

  • Have a question?

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  • Need help right away?

    Call our Technical Support team at 800-874-4968 (Monday-Friday, 7:30 am - 4 pm Central).

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