High Alumina Cordierite Mullite Rectangle Kiln Shelf Size:12 x 24 x 1" The PortaRoller was designed for

The PortaRoller was designed for ceramic arts teachers who are moving from classroom to classroom and for studio potters who need a fully functional slab roller but have limited space

therefore useful for substitution into glazes that are shivering

USG Hydro-Stone® Gypsum Cement is especially suitable where high strength and resistance to water absorption are necessary

cork and bark

High Alumina Cordierite Mullite Rectangle Kiln Shelf Size:12 x 24 x 1" The PortaRoller was designed forThese kiln shelves are manufactured of a high alumina mullite cordierite mixture that yields a smooth, durable surface with good thermal shock resistance for stacking ware in your kiln. They are available in a variety of shapes and sizes. Manufactured by Trend Industrial Ceramics and recommended for all temperatures up to cone 11. All shelves are subject to warpage at high temperatures. It is a good practice to occasionally flip the shelf in an effort