
Food safe varnish for air dry clay. This question has been well and truly answered but it raised a memory from my childhood that in some sense changed my future. Youve proably read the caution on a box of sculpey or other polymer clay. Sponge paint the varnish on it in light strokes. There is no reason to make it food safe because putting anything wet into air dry clay will make it soft and if you put a coating on it if there is the slightest crack the coating will lift off.
Air dry clays are safe for foods but all will need to be sealed if moistwet stuff will be sitting in them or next to them and the usual clear finishes that can seal them wont necessarily be safe themselves for all foods. Students can still create mugs bowls and plates with air dry clay but they must be for decorative purposes only. With regular clay as long as you work with food safe glaze you and your students can create things like functional mugs bowls and plates safe to use for eating and drinking. I remember countless times when i was little that i got to make a bowl or a cup but not allowed to use it.
Tips for using your food safe platter. Cut your leather shoestring and pull through the handle and tie a knot. My friend fran an air dry clay master from fall for diy suggests doing three light coats of the food safe varnish. Air dry clay is intended for decorative purposes or dry holding like dry flowers or jewelry bins.