Penguin Pottery - Penguin's Choice Series - Rutile - Low Fire Glaze Cone 06-04 for Low Fire Clay - Ceramic Glaze Pottery (1 Pint | 16 oz | 473 ml)

Our glazes made in the USA by expert potters. They are lead-free, non-toxic and food safe (when properly fired and tested). Our low fire glazes are perfect for school projects, classrooms, studios, and potters who fire at cone 06 to cone 04. Sometimes glaze contents will settle. That's normal! Ceramic glazes need to be fully mixed to ensure smooth application. We recommend mixing for at least 1-2 minutes. Pottery glaze must be fired in a pottery kiln at the correct temperature. Do not fired in a kitchen oven. Your ceramic kiln must be temperature calibrated to confirm it is firing at the target temperature / cone. Ceramic glazes are classified according to a temperature range ("cone") in three general groups: "low-fire," "mid-fire," and "high-fire." Over-firing will damage the piece and possibly the kiln. Under-firing will give you ugly results that will not look like the swatch image. Glazes will react differently (and look different) depending on several factors, including: (a) the