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Product Code:APLM340SD

M-340 with 0,25% added 60-80 mesh granular manganese. Has the same plastic and drying properties as M-340. The added manganese produces a fine black fired speck that usually bleeds up through glazes. Contains manganese so, a kiln vent should be used during the firing. 

Cone: 4-7
Wet Color: Grey
Fire Color
                Oxidation: Light Buff
Texture: Very Slightly Coarse
Average Shrinkage
                Oxidation Cone 4: 4,0-5,0%
                                  Cone 7: 5,5-6,5%
Average Water Absorption
                Oxidation Cone 4: 4,0-5,5%
                                 Cone 7: 1,0-2,0%
COE x 10-6: N/A

* Protect from freezing.
1x CAD $29.10
7x CAD $27.70
25x CAD $26.30
Retail price : CAD $29.10
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  • Quantity Available: 6
  • Availability: In stock
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