Store +3 Raku 400000031910 $22.00 In stock Quantity: 1 Add to Bag Product Details Contains grog and sand, great for withstanding the thermal shock of raku firing. Fires from white at Cone 06 a light warm brown at Cone 10. Fired to Cone 5: Shrinkage (+/-2%): 7.8% Absorption (+/-1%): 3.95% Fired toCone 10: Shrinkage (+/-2%): 9.25% Absorption (+/-1%): 2.48% COE x 10-6: 5.0 Save this product for later Favorite