This listing is for the clay in dry form, which must be purchased in 50-lb. bags. Price listed is per-pound, and must be added in 50 unit increments. Grolleg Porcelain #365 Cone 6 50 lb Bags Only Same properties as Porcelain #257 -- white, tight, translucent when thin -- but formulated to fire at a lower temperature. Shrinkage: 13.5% at C/6. Absorption: .60% at C/6.
