For charging zirconia workpieces charge saggars are recommended. A saggar basically consists of the sintering dish as base and the spacer ring with ventilation openings. The material is highly resistant to temperature fluctuations and can be used for processes with short heat-up and cool-down times.
When charging the furnace it must be ensured that the lower charge carrier is generally resting on the spacer ring. This provides for air-circulation under this carrier and improves the temperature uniformity. It is recommended to cover upper saggar with another sintering dish as lid.
The starter set consists of a charge saggar, a spacer ring as a base and a second sintering dish as lid. The use of additional saggars (sintering dish and spacer ring) allows charging on additional levels. Both furnace models are designed to get charged with up to three charge saggars.
Number of required charge levels in overview:
- 1 level: Starter set which includes 2 sintering dishes and 2 spacer rings
- 2 levels: Starter set + 1 sintering dish + 1 spacer ring
- 3 levels: Starter set + 2 sintering dishes + 2 spacer rings
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Starter-Set, Ø 115 mm | Sintering Dish, Ø 115 mm | Spacer Ring with Ventilation Openings | ||||||
Placing the zirconia product in charge saggars provides for optimum utilization of the furnace chamber. Up to three saggars can be stacked in the furnaces. The integrated air slots ensure a better air circulation of the charge. The upper saggar can be closed with a separate ceramic lid.
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Safe charging on up to three levels | Charge Saggar, 110 x 75 x 30 mm | Lid for Charge Saggar | ||||||
Accessories for Preheating Furnaces
* Note: If other controller types are used an adapter cable for connection to mains supply has to be ordered separately. The device will be activated by plugging in the socket.
Select between different bottom plates and collecting pans for protection of the furnace and easy loading (for models L, LT and LE on pages 9 - 11).
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Ceramic ribbed plate, Tmax 1200 °C | Ceramic collecting pan, Tmax 1300 °C | Steel collecting pan, Tmax 1100 °C | ||||||
For models | Ceramic ribbed plate | Ceramic collecting pan | Steel collecting pan (Material 1.4828) | |||
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Articel No. | Dimensions in mm | Articel No. | Dimensions in mm | Articel No. | Dimensions in mm | |
L 1, LE 1 | 691601835 | 110 x 90 x 12,7 | - | - | 691404623 | 85 x 100 x 20 |
LE 2 | 691601097 | 170 x 110 x 12,7 | 691601099 | 100 x 160 x 10 | 691402096 | 110 x 170 x 20 |
L 3, LT 3 | 691600507 | 150 x 140 x 12,7 | 691600510 | 150 x 140 x 20 | 691400145 | 150 x 140 x 20 |
LE 6, L 5, LT 5 | 691600508 | 190 x 170 x 12,7 | 691600511 | 190 x 170 x 20 | 691400146 | 190 x 170 x 20 |
L 9, LT 9, N 7 | 691600509 | 240 x 220 x 12,7 | 691600512 | 240 x 220 x 20 | 691400147 | 240 x 220 x 20 |
LE 14 | 691601098 | 210 x 290 x 12,7 | - | - | 691402097 | 210 x 290 x 20 |
L 15, LT 15, N 11 | 691600506 | 340 x 220 x 12,7 | - | - | 691400149 | 230 x 330 x 20 |
General Accessories
Heat-resistant gloves for protection of the operator when loading or removing hot materials, resistant to 650 °C or 700 °C.
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Gloves, Tmax 650 °C. | Gloves, Tmax 700 °C. | Various tongs for easy loading and unloading of the furnace. | ||||||