Universal heat-insulating mixture UNITERM Series
Heat-insulating mixtures used in metal casting, intended for protection of liquid metal surface and/or creation of heat-insulating layer in the molds, intermediate and steel-pouring ladles, made on the basis of ash formed by burning rough coal.
The mixture shall comply with the requirements and standard values specified in the Table:
|Mixture grade||Content, %|
|C||CaO||SiO2||Moisture, no more than|
Bulk weight (unrammed): 600-800, kg/m3
Melting point of the mixture: 1230-1280 ° C.
The mixtures specifications (carbon content, basicity, etc.) can be adjusted upon agreement with the consumer.
The economic effect of the use of insulating mixtures:
- Reduction of marriage due to shrinkage defects of the ingot.
- The ability to reduce the trim of ingots and castings by reducing the volume of the profitable part.
- The exclusion of non-metallic inclusions and the formation of gas bubbles in the head of the ingot.
- The possibility of using a universal mixture, instead of working on two mixtures.
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