Profile: Heraeus Kulzer Inc. provides materials to dental professionals. We focus on precious metals. Our orthodontic plaster is ideal for orthodontic casts & study model. It helps velvet-smooth models set harder & is denser than ordinary plasters. Our product Die-Keen® provides strength in thin areas for high precision cases like implants & porcelain. It is thixotropic, yet highly stackable for easy sculpting. It provides high definition, detailed models. It produces tough, durable, non brittle models with enhanced abrasion resistance and ultra smooth surface. It has great stability over time & virtually shows no change in expansion between 2 and 24 hours.