White electrocorundum 24A F230 Thermal Insulating powder
The insulating powder used for sintering ceramic sheets usually refers to the insulating material spread under the sagger during the sintering process of the sintered ceramic sheets. The use of white electro-corundum 24A F230 for sintering ceramic sheet insulating powder has obvious advantages.
Its main characteristics are as follows:
1. High-temperature stability: Adhesive-blocking powder needs to maintain good stability at high temperatures. It can withstand high-temperature environments, and not melt or deform. White corundum F230 is produced through a high-temperature electric melting process. The refractory temperature is up to 1800 degrees Celsius and has excellent high-temperature stability.
2. Low viscosity: The viscosity of the adhesive-blocking powder should be low to facilitate flow and cover the surface of the sintered ceramic sheet, forming a uniform isolation layer. The 25A F230 WFA powder classification process is hydraulic classification. It has good flowability and prevents alumina adhesive powder from adhering to the ceramic surface.
3. Adhesion resistance: Adhesive blocking powder should effectively prevent the adhesion of sintered ceramic sheets to pallets or other contact materials, in order to avoid deformation or damage during the firing process. Aluminum oxide itself has chemical inertness and does not react with ceramic sheets at high temperatures, therefore it has good adhesion resistance.
4. Ceramic surface protection: White electric fused corundum 24A F230 has high-temperature corrosion resistance and a certain protective effect. It can prevent oxidation, detachment, or other damage to the ceramic surface at high temperatures.
5. Cleanability: After sintering, the alumina adhesive powder is easy to remove and will not remain on the surface of the sintered ceramic sheet or have an impact on the subsequent process.
In short, Electrocorundum 24A F230 is a good high-temperature resistant, wear-resistant, and flowable aluminum oxide powder, which is one of the important uses as a bonding powder.