OVEN-BAKE CLAY ADHESIVE - 2OZ - Sculpey Oven Bake Clay Adhesive Non-Toxic 2 fl oz. bottle with precise flow twist cap. Perfect for gluing polymer clay to itself and porous surfaces. Perfect for Sculpting - The adhesive is an essential tool for sculptors! Add some to joints layers of clay and more for added strength between clay pieces. Non-Toxic and safe - Sculpey oven bake clay adhesive conforms to ASTM D-4236 and EN 71 safety standards it is non-toxic and safe to use in your home oven. Simply use in your polymer oven bake clay creation and bake in your home or toaster oven at 275 °F for about 30 minutes depending on the size of your creation. You have to bake this adhesive for it to work. Do not add to clay and leave raw or it will not hold. Perfect for mixed media projects - This oven bake clay adhesive is perfect for mixed media creations! It works on porous surfaces - perfect for use with wood paper and canvas. Simply spread a layer of the oven bake clay adhesive on a wood frame cover with oven bake clay and bake for a strong bond. It will not work on materials like glass or metal as those are not porous and you will need to bake your clay pieces and secure those with a silicone or super glue.