Sulykal DH 125
Sulykal DH 125 is a high purity finely ground gypsum grade, obtained from naturally occurring mineral. This product is used in agricultural applications as a mushroom composting ingredient, fertiliser, soil conditioner, and as a filler in various construction materials.
Uncalcined Gypsum
29;21;18;17;
| Chamotte |
| Al2O3 content (%) |
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Open porosity (%) |
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| Vitreous phase (%) |
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Pyroscopic resistance (°C) |
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| Apparent density |
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| Plaster |
| Chemical composition |
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Linear expansion (%) |
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| Chemical name |
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Colorimeter L (L* value) |
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| Plaster to water mix ratio (by weight) |
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Colorimeter a (a* value) |
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| Plaster to water ratio (by weight) |
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Colorimeter b (b* value) |
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| Water to plaster ratio (by weight) |
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Colour |
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| Fluidity / spread (cm) |
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Sieve analysis (Mesh size & % weight retained) |
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| Initial setting time (minutes) |
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Bulk density loose (kg / m³) |
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| Final setting time (minutes) |
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Bulk density compacted (kg / m³) |
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| Wet compressive strength MPa |
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Apparent bulk density (g/cm³) |
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| Dry compressive strength MPa |
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Pore volume (%) |
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| Flexural strength MPa |
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Start of warming phase (minutes) |
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| Brinell hardness MPa |
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End of warming phase (minutes) |
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| Hardness shore D |
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Shelf life (Months) |
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| Refractory Investments |
| Water used (%) |
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Liquid Density |
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| Mixing Time (minutes) |
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Linear Expansion 1 hour after setting (%) |
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| Working / Casting Time (minutes) |
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Linear Expansion 2 hours after setting (%) |
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| Initial Setting Time (minutes) |
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Shelf Life (months) |
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| Gypsum |
| Chemical composition |
CaSO42H2O |
pH |
8 |
| Chemical name |
Calcium sulphate dihydrate |
Solubility of Gypsum (g/ litre) |
2.1 |
| Minimum Gypsum purity (%) |
90 |
Bulk density loose(kg/cm³) |
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| Sieve analysis (mesh size & % weight retained) |
>63 microns : 12%, >100 microns : 3% |
Bulk density compacted (kg/cm³) |
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| Colorimeter L (L* value) |
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Apparent bulk density |
[0.80] |
| Colorimeter a (a* value) |
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Gypsum hardness (MOH scale) |
2 |
| Colorimeter b (b* value) |
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Shelf life |
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| Colour |
white | |
Please refer to product data sheets for futher information