|Minimum Order Quantity||5 Number|
Momentive Performance Materials’ boron nitride (BN) composites incorporate proprietary compositions with other refractory materials and are excellent candidates to consider for harsh environments such as non- ferrous molten metal applications.
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Continuous casting is one of the most common metal manufacturing technologies. The liquid metal flows from a tundish into the mold, in which the strand shell is formed. The metal strand is then taken off continuously or intermittently, at a speed and solidification rate appropriate to the particular alloy.
The ceramic break ring or the nozzle comes into contact with both the melt and the solidified alloy, and must satisfy correspondingly strict requirements:
- Chemical resistance to the solidified metal, i.e. no contamination of the alloy
- Good sliding properties, i.e. does not stick to the alloy
- High thermal shock resistance
- Defined thermal conductivity
- High wear resistance
- Easy to machine
Boron Nitride Rings are extensively used in the Industry. Momentive offers a group of different boron nitride materials and boron nitride composites that are matched to different metal alloys. From these materials, manufacture nozzles or break rings that increase the lifetimes for the following metals:
- Steels of all kinds
- Copper alloys
- Nickel alloys
- Delivery Time: 90-120 days