North Star 18" Porta Roller Slab Roller Mason It has a more diversified

It has a more diversified selection of fluxes than other feldspars but also has one of the highest silica contents

FiringThe tile displayed is the final fired result at cone 5

M340S is alternate where the speckle is wanted

The screen size is 12 1/2" H x 18" long

Because it has such a low iron content

North Star 18" Porta Roller Slab Roller Mason It has a more diversifiedThe 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. The PortaRoller has two rollers, much like the wringer of an old fashioned washing machine. Both rolls have a small diamond pattern ("knurling") machined directly into the metal to grip the canvas. The bottom roll is turned by the handle, but cannot move vertically. As