Most of the structure of the caster tip body is made of ceramic material. However, the caster tip body may also include some other materials, including for example some higher thermal conductivity materials that are designed to enhance heat transfer through the caster tip body.
Because ceramic materials generally have relatively low thermal conductivity, when the liquid metal passes through the caster tip, the heat will only slowly dissipate from the liquid metal, thereby reducing the risk of metal solidification in the caster head. Therefore, the flow of metal through the tip of the continuous caster is improved, thereby providing higher quality cast strip metal products.
The top and bottom of the caster tip are made of castable refractory materials, which include fused silica, ceramic fibers, micro silica, and bonding materials including colloidal silica. The castable refractory material is strong, and has good resistance to corrosion by liquid aluminum and aluminum alloy, good thermal shock resistance, low thermal conductivity, and good dimensional stability. It is castable, thus simplifying the production of refractory products of various shapes. It can also be machined to make the tolerance of the product reach a very high level. The ceramic fiber contained in the material plays an important role in dispersing the thermal and mechanical stress in the cast product, thereby improving the strength and thermal shock resistance of the product.
AdTech nozzle tip is used for the crystal forming and size control of aluminum sheet, strip, and foil blanks in the casting and rolling production line. It is formed by vacuum suction and filtration of nano-fiber composite materials and processed by high-precision equipment. AdTech casting tips and nozzle plate has a uniform distribution of internal short fiber structure, moderate density, good heat preservation, precise size, high oxidation resistance, no delamination and no block loss, low deformation, effective protection of the quality of cast-rolled coils.