Saggers
Saggers are used to transport and protect sensitive products as they are heat-treated or fired in kilns. Saint-Gobain Performance Ceramics & Refractories’ saggers are specifically adapted to each heat treatment protocol and designed to minimize undesirable sagger-product reactions.
Features and Benefits
- Available in a range of materials and shapes
- Excellent thermal shock resistance
- Shape stability and strength
- Defined flatness and surface finish
- High chemical stability
- High corrosion resistance
| Alumina content | Max. Service Temperature | Bulk Density | Apparent Porosity Vol. | Modolus of Rupture | Thermal Expansion αRT 1,100°C | ||
| (%) | (°C) | (kg/dm3) | (%) | (RT2) | (1,400°C) | (10-6/K) | |
| Mulnorite® KN 176 | 82 | 1,700 | 2.7 | 17 | 10 | 5 | 5.3 |
| Mullfrax® EM 27 | 90 | 1,750 | 3 | 17 | 8 | 8 | 170 |
| Alundum® AH 191 A | 91 | 1,750 | 2.9 | 20 | 14 | 7 | 7 |
| SiC-content | Max. Service Temperature | Bulk Density | Apparent Porosity Vol. | Modolus of Rupture | Thermal Expansion αRT 1,100°C | ||
| (%) | (°C) | (kg/dm3) | (%) | (RT2) | (1,400°C) | (10-6/K) | |
| AnnaCarbid® 42 | 40 | 1,430 | 2.5 | 20 | 20 | 10 | 5 |
| AnnaCarbid® 65 | 65 | 1,450 | 2.5 | 21 | 15 | 15 | 5 |
| AnnaCarbid® 94 | 84 | 1,500 | 2.5 | 17 | 20 | 20 | 5 |
| NSiC 2165 | 79 | 1,600 - 1,650 | 2.72 | 15 | 40 | 50 | 4.5 |
| NSiC 2172 | 80 | 1,600 | 2.65 | 17 | 35 | 45 | 4.5 |
| AnnaSicon® RTH | 75 | 1,650 | 2.63 | 17 | 40 | 35 | 4.5 |
| Silit® SK | 85 | 1,380 | 3 | 0 | 260 | 260 | 4.5 |
| Silit® SKD | 85 | 1,380 | 3 | 0 | 260 | 260 | 4.5 |
| N-Durance® | 70 | 1,450 | 2.75 | ≤ 1 | 170 - 180 | 170 - 190 | 4.4 |
| Crystar® 2000 | > 99 | 1,600 | 2.7 | 15 | 80 | 90 | 4.8 |
| Crystar® 3000 | > 97 | 1,600 | 2.7 | 15 | 80 | 90 | 4.8 |
| Hexoloy® | > 99 | 1,750 | 3.15 | < 2 | 380 | 370 | 4 |
Suitable for use in the electronics and semiconductors industry, automotive industry, and with lithium battery and cathode powder technology.
Various materials and shapes are available.
FAQ
Yes. A customized sagger design allows them to be stacked in a kiln, increasing volume output.
Yes. Saint-Gobain Performance Ceramics & Refractories’ experienced engineers are on hand to recommend the most ideal product and design option for a highly automated production line, taking into account factors such as the mechanical strength of the sagger (for robot handling) or advanced thermal shock resistance (for loading or unloading).
