Sil-Trax® AS Gingival Retraction Cord is used for patient situations where gingival retraction material containing epinephrine is contraindicated. • 100% cotton cord • Impregnated with an aluminum sulfate solution • Special drying process ensures consistent aluminum sulfate • Excellent hemostatic retraction • Memory free for precise placement and retention in the sulcus • Easy placement and packing • Unique packaging prevents cord tangles and cord will not fall back into bottle