Cordierite Mullite Rectangle Kiln Shelf Tucker Clays 3D surfaces

3D surfaces

Varies from caramel to deep chestnut depending on the thickness

the wood tool is 6

Testing in your glazes when substituting for Gerstley Borate is recommended as there are some subtle differences and impurities that could cause color shifting

When dismantled

Cordierite Mullite Rectangle Kiln Shelf Tucker Clays 3D surfacesThis kiln shelf is manufactured of a high refractory mullite cordierite clay body that yields a smooth, durable surface for stacking ware in your kiln. All shelves are subject to warpage at high temperatures. It is a good practice to occasionally flip the shelf in an effort to keep it straight.