Die-Keen® Resin Reinforced, Light Buff, 25 Lb. Carton, Sold As Carton Kulzer, 10000179 Kulzer Modern Materials® Die-Keen® Resin Reinforced Die Stone Kulzer Modern Materials® Die-Keen® Resin Reinforced Die Stone Type Iv Material. Special Water Activated Resins Blended With A Harder, Denser Natural Gypsum Base. Produces Tough, Durable, Non Brittle Models With Enhanced Abrasion Resistance And Surface Appearance. Minimum Expansion, Maximum Strength. Best For Crowns And Bridges, Porcelains, Implants, Abrasion Resistance, All Ceramic And High Scrape Resistance. Set Time: 7-9 Minutes; Expansion: 0.08%. Die-Keen® Resin Reinforced, Light Buff, 25 Lb. Carton (72 Ctn/Plt) (Us Sales Only)Sku: Ndc-10340976_Ctn Mfgr Sku: 10000179Item Id: 10340976Mfgr Id: 169Item Code: Hes 50046950