Product Description Chalk Crayons (individual dry underglaze sticks: 2 3/4" x 7/16") can be used like pastels on bisque pottery, which results in a pebbled appearance. Colors may be blended or smoothed by rubbing with the fingers or a swab of cotton on a toothpick. Watercolor effects are obtained by brushing sketches with water. For fine lines, the chalk crayons can be sharpened. Clear Transparent AMACO® Glazes LG-10, F-10, DC-10, and HF-9 are recommended as a covering glaze. Sponge on first coat of clear glaze lightly in order not to smear design. Let dry and brush on additional coats of clear transparent AMACO® glaze. Pieces are fired to the maturing temperature of the covering glaze. When spray application of a covering glaze is desired, first refer to individual listing to be sure that it may be sprayed safely.NOTE: The maximum firing temperature is Cone 10 for the following: Black, Brown, Dark Blue, Dark Green, White, Gray, and Medium Blue. The maximum firing temperature is Cone 5 for the following: Turquoise, Yellow, Dark Brown, Blue-Green, Light Brown, Medium Green, and Yellow-Green. The maximum firing temperature is Cone 05 for the following: Rose and Lilac.If left unglazed, AMACO® Underglaze Chalk Crayons should not be used on surfaces which come in contact with food or drink. AMACO® clear glazes LG-10, F-10, and HF-9 or any other dinnerware safe glaze are recommended to be used over AMACO® Underglaze Chalk Crayons to make them dinnerware safe.AMACO® Underglaze Chalk Crayons have only been tested and approved as dinnerware safe when applied and fired under AMACO® LG-10 Clear Glaze.To reduce smudging, mix 1 tablespoon AMACO® Gum Solution to 1 pint of water in spray bottle. Spray on work before glazing. Safety Warning Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.
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