Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information IKONICS Corporation ← View details 4832 Grand Avenue, Duluth, MN 55807 +1 218-628-2217