The micro-expansion castable is the castable process with micro-expansion agent or heat-resistant steel fiber added. During the baking and high-temperature use of the product, the micro-expansion will occur, filling the crack gap caused by shrinkage, making the castable become a complete whole, at the same time enhancing the toughness and strength of the product, improving the wear resistance, anti-stripping performance, and extending the service life
There are many kinds of micro-expansion castables, which have been widely used because of eliminating the cracks and cracks caused by thermal expansion and cold shrinkage, and are applicable to the masonry of various industrial kilns.
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