DK-A
DK-B
DK-S
| Kaolin | SiO2 | Al2O3 | Fe23
| CaO |
MgO |
K2O |
Na2
| TiO2
| Loss on Lgnition |
|
|---|---|---|---|---|---|---|---|---|---|
| DK-A | 50.9 | 32.7 | 1.52 | 0.26 | 0.23 | 1.98 | 0.19 | 0.67 | 10.48 |
| DK-B | 45.3 | 37.8 | 0.48 | 0.31 | 0.06 | 0.26 | 0.10 | 0.91 | 13.52 |
| DK-S | 45.0 | 37.8 | 0.57 | 0.18 | 0.04 | 0.09 | 0.13 | 1.01 | 13.87 |
| DK-A | DK-B | DK-S | ||
|---|---|---|---|---|
| Drying Shrinkage(%) | 2.53 | 0.44 | 2.56 | |
| Firing Shrinkage(%) | 10.24 | 6.94 | 5.70 | |
| Total Shrinkage(%) | 12.51 | 7.36 | 8.12 | |
| Loss on lgnition(%) | 10.42 | 13.52 | 13.81 | |
| Thermal Deformation(mm) | 10.00 | 5.00 | 3.00 | |
| Particle Size Distribution | 1㎛ under | 10.58 | 16.87 | 14.28 |
| D(0.5) | 5.241 | 3.934 | 4.295 | |
| Max Particle Size | 5.00 | 6.00 | 5.75 | |
| Water Absorption(%) | 5.30 | 10.25 | 8.37 | |
| Casting Rate(mm/hr) | 14.0 | 12.0 | 9.0 | |
| Dried Strength(kgf/㎠) | 15.19 | 11.96 | 10.54 | |
※ All tests were conducted at 1230°C using an electric kiln.
Very low shrinkage and excellent plasticity
Outstanding dispersibility in water and favorable sinterability
Low deformation, ideal for high-quality sanitaryware molding
| DK-A | DK-B | DK-S | |
|---|---|---|---|
| Viscosity | ● ● ● | ● | ● ● |
| Plasticity | ● ● | ● ● ● ● | ● ● ● ● |
| Drain Property | ● ● | ● ● ● ● | ● ● ● ● |
| Casting Strength | ● ● | ● ● ● | ● ● |
※ LOW ● 
●●●● HIGH
| DK-B | S* Kaolin | N* Kaolin | |
| After demoulding | 0 | 8 | 8 |
| 30 minutes | 0 | 2 | 0 |
| 60 minutes | 0 | 0 | 1 |
| Total number of cracks | 0 | 10 | 9 |
※ DK-B’s low shrinkage and high plasticity dramatically reduce the risk of cracking and defects during the forming process, making it highly reliable for sanitaryware applications.
The quality of clay minerals varies significantly between upper and lower layers, and characteristics such as impurity content differ depending on the mining location.
For high-end sanitaryware production, the use of refined clay with consistent quality is essential.
Daejin Clay ensures stable performance by precisely blending 8 to 12 types of minerals, delivering uniform quality every time.
Head Office412-16, Mahanmunhwa-ro, Shinbuk-myeon, Yeongam-gun, Jeonnam, South Korea
Tel+82 61)473-1081~2
Emaildjclay@daejinclay.com
Copyrightⓒ2025 Daejin Refinement Co., Ltd. All Rights Reserved.
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