White clay in rough cube shapes of about 30 cm. As the corners were knocked through handling and storage these cubes became rounded and ‘ball’ shaped. It also is sometimes referred to as plastic clay.
White clay with L value of 88 to 90 Individual and mix L value of 84 to 85. Dry Mor 13 to 15. Shrinkage of Individual 10 to 11 and Mix shrinkage of 7 to 8.