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Aardvark Obsidian (formerly Cassius Basaltic) Cone 5

MSRP: $49.00
$37.00
(You save $12.00 )
SKU:
ACCASSIUS
Weight:
50.25 LBS
Unit Quantity:
50# boxesā€;Buy More, Save More = save $3/box on 5 boxes, $3.50/box on 11 boxes and $4/box on 20 boxes!ā€
Aardvark Obsidian (formerly Cassius Basaltic) Cone 5

Product Overview

PLEASE NOTE SPRING 2021 BRACKER’S IS NOW SELLING CLAY BY THE BOX, NOT BY THE POUND, PLEASE SELECT NUMBER OF 50# BOXES YOU WANT

Aardvark Clay's Obsidian (formerly Cassius Basaltic - boxes might have the old name on them as they transition)

Fired Shrinkage is 14.5% and Water Absorption is .5% when fired to cone 5. Very black, ebony like finish. Needs lots of oxygen during bisque firing.
 
Please refer to this link for a bisque firing schedule that was created with Obsidian in mind. https://www.aardvarkclay.com/pdf/technical/Bisquefiring.pdf
 

āš  WARNING - This product can expose you to crystalline silica (quartz) which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov