Table 7.
Parameters | Unit | Value |
---|---|---|
Form | – | loose powder |
Composition | calcined kaolin (metakaolin) | |
Color | – | white–beige, cream |
Specific gravity | (g∙cm−3) | 2.6–÷ 2.63 |
Bulk density | (g∙cm−3) | 0.6 ÷ 0.7 |
Fineness | 1.4 | |
Non-volatile component content | (%) | approx. 100 |
Solubility and miscibility with water | – | mixes in all proportions |
Water demand | (mL) | 300 |
pH value (aqueous solution/20 °C) | – | 8–9 |
Melting temperature | (°C) | >900 |