Super Duty Soap (Hard Brick)

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  • Regular price $3.75
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The Super Duty Soap is a hard brick used in both gas and wood kilns.  They are used in bag walls and also as heavy-duty kiln posts.   They can handle high temperatures up to 2700°F.


  • Approx. 9" x  2-1/2"  x  2-1/4"
  • Weight:  approx. 5 lb.

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