Mullite Porcelain Support Insulator
Mullite porcelain support insulators for industrial electric furnaces and kilns. HTS 8546.90.00.00 for high-temperature ceramic electrical insulators.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-alumina refractory shapes
Mullite ceramics primarily for refractory furnace construction rather than electrical use are classified separately.
If porcelain kiln furniture
Support structures for ceramic firing processes use porcelain kiln furniture classification.
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Import Tips & Compliance
• Specify mullite content and pyrometric cone equivalent; test for thermal shock resistance; declare load-bearing capacity
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