A unique Northwest clay! Umpqua White's devotees love its semi-porcelain qualities as a smooth plastic body that blushes a rich, warm apricot in wood or gas firing.
Absorption = 0.30%
Total shrinkage = 14.85%
@ dry = 7.13%
@ bisque = 7.20%
This is a High-Range Fire Clay (Cone 8-10) 50 Lb Box, 2 bags of 25 lbs
