China clay, commonly known as Kaolin, is a soft white clay crucial for the production of china and porcelain. Its versatile properties extend its utility to various industries including paper, rubber, paint, and numerous other product manufacturing processes.
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China Clay
China Clay
Description
Roughly 40 percent of the kaolin produced serves as a vital component in paper filling and coating processes. In paper filling, kaolin blends with cellulose fiber to enhance the paper's body, color, opacity, and printability. Meanwhile, in coating, kaolin, combined with adhesive, is applied to the paper's surface to impart gloss, color, high opacity, and improved printability. Specifically for coating purposes, the kaolin particles are meticulously prepared to ensure most are less than two micrometers in diameter.
In the ceramic industry, kaolin finds extensive use due to its high fusion temperature and white burning characteristics, making it ideal for whiteware (china), porcelain, and refractories production. Its molecular structure, devoid of iron, alkalies, or alkaline earths, grants it desirable ceramic properties. Whiteware manufacturing typically involves blending kaolin with silica, feldspar, and ball clay to achieve proper plasticity, shrinkage, and vitrification qualities necessary for forming and firing the ware. In refractory production, kaolin is commonly used alone.
Significant quantities of kaolin are employed in rubber filling to enhance mechanical strength and abrasion resistance. For this application, the clay must consist of highly pure kaolinite with exceedingly fine grains. Moreover, kaolin serves as an extender and flattening agent in paints and plays a crucial role in controlling paper adhesive penetration. Its fine particle size, whiteness, chemical inertness, and absorption properties render kaolin indispensable in inks, organic plastics, cosmetics, and various other products.
Additional information
- Payment mode: Cheque / NEFT / RTGS / L/C (Letter of Credit)
- Delivery Time: Dispatch after 7 to 15 days after receiving payment.
- Packaging: 50kg. to 1.4mt. Jumbo Bag / Bulk in Loose
- Transport Mode: By Road / Rail / Sea
- Nearest Port: Kandla Port & Mundra Port (Around 70km. From Manufactures unit)
| PARAMETERS | SG-95 | SG-94 | SG-92 | SG-90 |
|---|---|---|---|---|
| APPEARANCE | SNOW WHITE | WHITE | WHITE | WHITE |
| LOI | 12-15 | 12-15 | 12-15 | 12-15 |
| Al2O3 | 36.5 | 37.5 | 36.5 | 37.5 |
| SiO2 | 48.5 | 46.5 | 48.5 | 47.5 |
| TiO2 | 0.8 – 1.2 | 0.9 – 1.2 | 0.9 – 1.4 | 0.9 – 1.4 |
| Fe2O3 | 0.3 – 0.5 | 0.3 – 0.5 | 0.3 – 0.5 | 0.3 – 0.6 |
| L – value | 96 Min. | 94 Min. | 93 Min. | 93 Min. |
| A – value | 0.1 – 0.3 | 0.84 | 0.97 | 0.84 |
| B – value | 3.0 + 0.5 | 4.0 +- 0.5 | 5.0 + 0.5 | 4.0 + 0.5 |
| Shrinkage | 5.0 + 0.5 | 5.0 + 0.5 | 6.0 + 0.5 | 5.5 + 0.5 |
| Whiteness | 88+1 | 84+1 | 84+1 | 83+1 |
| PARAMETERS | Grade | |||||
|---|---|---|---|---|---|---|
| CC | FCC | K.C.91 | HT 60+ | HT 70+ | HT 80+ | |
| TEMP | 1150°-1200° | 1250° | 1100° | 1500° | 1600° | 1700° |
| AL2O3 | 35+% | 38-40% | 43-44% | 60+% | 70+% | 80+% |
| Mesh Size | 400 | 400 | 400 | 200 | 200 | 200 |
