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USG No. 1 Moulding Plaster |
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Calcium sulfate hemihydrate |
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Calcium Sulfate Hemihydrate |
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26499-65-0 |
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Often referred to as ¡°plaster of Paris¡± or soft plaster. Used for waste molds or temporary patterns where surface hardness and strength are not important. Screeds well under a template but is not as hard or strong as HYDROCAL cement. The expansion is greater than with A-11 or B-11 cements.
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Appearance and Odor: Off white to gray powder: low odor. Meltng Point: 1450'C - decomposes Solubility In Water: 0.15% Specific Gravity (H2O=1): 2.3 - 2.6 pH: 7.5 - 8.5 Hardening Time: Varies. Check usage and/or product specification data for each product. |
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There are no existing companies to distribute selected chemical product |
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