SNOW WHITE CALCIUM SULFATE FILLER
- CAS Number
- 7778-18-9
- EC Number
- 231-900-3
- Chemical Name
- Calcium Sulfate
- Chemical Family
- Calcium Salts
Snow White Calcium Sulfate Filler is made by high temperature calcinations of select, high purity gypsum which is then ground and air separated into a bright, white powder. It is used in a variety of polymeric and cementitious system and is available in 50 lb. bags or 2,000 lb. semi-bulk or bulk from USG’s Southard, Oklahoma plant. USG Snow White Anhydrous Calcium Sulfate Filler offers low abrasion to processing equipment, is resistant to weak acids and has a lower specific gravity than barium sulfate. In addition, it contributes to desired expansion, green strength and controllable set in specialty cement applications.
Properties
- Physical Form
- Powder
- Solid
Product families
- Fillers & Extenders
- Fillers & Extenders
Other characteristics
- Brand
- SNOW WHITE
- Features
Acid Resistant, Good Balance of Properties, Good Green Strength, High Purity, Low Shrinkage, Soft
- Synonyms
Basic calcium sulfate, Calcium sulfate (CaSO4), Calcium sulphate, Sulfuric acid calcium salt, Sulfuric acid calcium(2+) salt (1:1)
- Functions
- Filler
- Technology
- Elastomers
- Plastics
- Storage and Use
When properly used, USG Snow White Anhydrous Calcium Sulfate Filler is easy to work with. Keep indoors at temperatures between 65 °F – 75 °F (18 °C – 24 °C) and 45% – 55% RH. Do not stack more than two pallets high. Keep from drafts. Rotate stock. USG Snow White Anhydrous Calcium Sulfate Filler should be used within one year of the manufacturing date located on the package. Always follow handling and use directions and safety warnings on the package. USG Snow White Anhydrous Calcium Sulfate Filler is not approved for use in food and pharmaceutical applications.
- Packaging Type
- Bags
- Bulk
- Material Features
- Acid Resistant
- Good Balance of Properties
- Good Green Strength
- High Purity
- Low Shrinkage
- Soft
- Plastics and Elastomers Functions
- Filler
Technical data
Table 1 of 1
16 rows| Characteristic | Value | Unit |
|---|---|---|
| Specific Gravity | 3 | — |
| pH (10% Slurry) | 10.4 | — |
| Mohs Hardness | 2 - 3 | — |
| Refractive Index | 1.6 | — |
| Oil Absorption | 25 - 27 | — |
| Loose Bulk Density | 50 | lbs./ft.3 |
| Packed Bulk Density | 70 | lbs./ft.3 |
| L, a, b values | 90.4, 1.2, 3.4 | — |
| Median Particle Size | 5.5 | microns |
| Top Particle Size | 124 | microns |
| CaSO4 | 98.7 | % |
| CaCO3 • MgCO3 | 0.5 | % |
