Castable Refractory Mix for Boilers
A pourable, high-purity alumina castable for repairing boiler walls and combustion chambers. HTS 3816.00.20 covers this as other refractory concrete, curing to withstand rapid temperature changes. Used in power plants and industrial boilers.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If retail-packed for DIY/home use
Consumer glaziers/mastics in 3214; bulk industrial refractories stay in 3816.
If chemical binder dominates over refractories
Prepared binders without dominant refractory function go to general mixtures.
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Import Tips & Compliance
• Certify pourability and set time with manufacturer data sheets for customs verification
• Ensure FIFO labeling for multi-bag shipments to avoid quality claims
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