Adhesive, malleable, non-hardening clays have many uses in the crystallization lab. Useful for holding capillaries during crystal mounting as well as, stabilizing the capillary in the goniometer head. Useful for propping open the lids of crystallization plates. Great for color coding experiments, capillaries, and Linbro® crystallization plates. Supplied as four 4 ounce bars of clay, each bar is individually wrapped. This Van Aken Claytoon Hot Set offers the colors Magenta, Rose, Neon Orange, and Yellow (as pictured above).