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These thick kiln posts are good for high temperatures and available in extra long lengths. They have fluted sides and hole in center. The manufacturer rates them for cone 10. They are quite stout, so you should be able to take them higher (cone 11 or possibly cone 12) depending on how heavily/evenly they are loaded.
The posts on this page are fired to cone 13 during manufacturing. The suggested manufacturers cone rating is conservatively estimated based upon expected (heavy) loads. You'll find the posts will continue to perform well at higher cone under less heavy and more even loading.
NOTE: Kiln posts are fragile. We make every effort to pack them well, but sometimes one will break in shipping. If this happens we will credit you the cost of the post, and we will not ship you a replacement. Since you are likely to break posts as you use them, we recommend that you purchase spares. Small chips which are cosmetic only and do not affect the functionality will not be credited.
|Cone||Manufacturer rate: 10; 11 or possible|