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Terra Alba No. 1
The dihydrate form of calcium sulfate used in low temperature thermoset plastic and specialty cement applications.
Key Documents & Design Files
Overview
Overview
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 |
Ask a question
Our customer support team will get back to you as soon as possible.
Question Guidlines
- Questions should relate to this product specifically.
- For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
- All questions and answers follow USG’s Terms & Conditions.
- Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.
q & a
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Is USG Terra Alba No.1 approved for use in food and pharmaceutical application?
No it is not approved for these types of application.
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Have a question?
Ask USGLet us do the research. We'll get back to you as quickly as we can.
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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).