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12" x 18" x 3/4" Rectangular Kiln Shelf Silicon Carbide
12"x 18" x 3/4" Silicon Carbide rectangular shelfLaguna Nitride-Bonded Silicon Carbide Shelves are very thin (as thin as 0.394-inches thick), light-weight, and contain low thermal mass. This means giant savings on your back. That could pay for this investment right away. It also means that your kiln has more room for pottery rather than for the kiln shelves.
Nitride-bonded shelves are much stronger than ordinary silicon carbide shelves and they are much, much stronger than high alumina or other cordierite shelves.
Nitride-bonded shelves are highly resistant to warping. They are rated for temperatures much higher than regular silicon carbide shelves. And their strength lends them to having a much longer working life than other kiln shelves.
Note: Additional Packing Fees for shelves shipped by "UPS" (UPS or Standard shipping is not recommended)
Important Warnings
(read before using your new shelves)
WARNING! All silicon carbide shelves conduct electricity. When using these shelves in an electric kiln, avoid a serious electrical shock by following these guidelines:
- WARNING! Never insert or remove the shelves into an electric kiln when the kiln is in the ON position. All it takes is the shelf touching an element to cause an electrical shock.
- WARNING! Never load, unload or put your hands in the kiln when it is in the ON position.
- WARNING! Always repair loose elements so that they don't hang out of their slots allowing them to touch the silicon carbide shelves creating a "shocking environment!"
- WARNING! Don't allow your shelves to get wet!
Important Owner Information
(read before using your new shelves)
During your first firing, you may experience a dark blotching or discoloration on both the surface of the shelves and the ware with which they come in contact. This results from a lack of oxygen in the firing environment. Conducting a pre-firing (without ware) in a full oxidation atmosphere can significantly reduce this discoloration.
Your new shelves may be somewhat more prone to crack under severe thermal shock or abuse than typical clay shelves. If you are new to silicon carbide shelves, or if your firings include exceptionally rapid cool-down or other harsh treatment, you may want to check with your dealer to determine steps you might take to prevent potential damage.
Posting your shelves. Using three posts is not only the most efficient but also the most effective way to load your kiln. Three posts versus four helps negate any unevenness in the kilns floor and, more likely, in the posts themselves. It doesn't matter how strong the shelf, four uneven posts under one shelf will most surely result in a broken shelf sooner or later! Do not 4-Post unless you are wadding!
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- Please handle all raw materials with safety in mind. The Dry form of all clay, glaze, and raw materials can expose you to hazards when not handled properly.
- When handling and mixing DRY ceramic materials and powders, wear a full breathing respirator, eye protection, and gloves to protect your lungs and hands
- PROP 65 WARNING FOR RESPIRABLE SILICA
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