Stable hydrocolloid class A alginate that changes color signaling when to carry out each stage of the procedure (purple- spatulate; pink- load tray; white- insert for impression).
Total elapsed time from start to finish is just over 1 minute. Impression can be kept over 100 hours without distortion or shrinkage by simply rinsing and enclosing in a plastic bag.
1 lb. pouch is sufficient for approximately 50 average impressions.