WC-843

This clay is the same formula as WC-809, but contains finer 60 mesh sand. 

Characteristics:
Cone: 10
Wet Color: Light Gray
Fire Color
                Oxidation: Yellow/Buff
                Reduction: Yellow/Brown
Texture: Medium Coarse
Average Shrinkage 2±%: 13,5%
Average Water Absorption 1±%: 1,75%
COE x 10-6: 5,775

* Protect from freezing.