Overview
Kaolin / Chinaclay have an ancient use as a skincare product. Kaolin’s absorbent property allows it to pull oils and dirt out of the skin. It is commonly used in clay masks or as an additive to baths to sooth the skin. Fine Powder allows to absorbs oil and reduce greasiness, depending on as they are formulated. Fine kaolin powder is important ingredients used for composition of sun screen lotion.
SPECIFICATIONS FOR COSMETICS GRADE KAOLIN
GRADE: PM – WHITE
Physical Parameters
| Parameter | Specifications |
| Apperance | White Lumps |
| Moisture | 5.00% max |
| Residue 300 BSS Mesh by wet sieving | 1.00% max |
| Water of Plasticity | 28 – 30 ml/100gm |
| pH @10% solid concentration | 7.5 – 8.5 |
| Brightness (ISO) | 80 % (+/- 1%) |
| Total Shrinkage (11050C ½ hour soak) | 11.50% max |
| Fired Brightness – L* Value (11500C) | 90 – 92% |
Chemical Properties
| Parameter | Specifications |
| SiO2 | 46.00 – 47.00% |
| Al2O3 | 36.50 – 37.50% |
| Fe2O3 | 00.30 – 00.38% |
| TiO2 | 00.90 – 01.10% |
| CaO + MgO | 00.25 – 00.35% |
| Na2O + K2O | 00.10 – 00.15% |
| L.O.I | 13.25 – 13.75% |