Mydent - Defend Alginate Substitute. Defend® offers this polyvinylsiloxane Alginate Substitute for extremely accurate impressions. It is also used for study models, sports guards, and bleaching trays. With a 2 minute working time and a fast setting time of just 1 minute, this alginate substitute works just as well as, if not better, than classic alginate.

Features include:

• Versatile
• Beige color
• Minty flavor
• Final shore hardness: 50
• Fast set time
• Includes six 50mL cartridges and 12 mixing tips per kit