This Tools item by PMCSupplies has 120 favorites from shoppers. Ships from Lake Katrine, NY. Listed on 19 Jan, 2024
Applications: The non-asbestos GREENTHERM 23 LI is suited for both backup and hot-face lining duty. Typical applications include ceramic kilns and backup linings in iron channel induction furnaces and sulphur recovery units; it can withstand temperatures up to 2300ºF. Measures: 9" long x 4-1/2" wide x 2-1/2" thick. These are also great for filigree work, since they can be pinned to the block to hold it steady for soldering!
What substance is used to make a furnace? If the metal itself melts, then how does the furnace remain solid? - Quora
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