New Reformulated Flask-It! allows the technician to make the 2nd and 3rd pours during flasking without vibration. The result is an exceptionally smooth surface which greatly reduces air pockets, bubbles, and valuable time spent removing gypsum around teeth and under-cut areas. This is a must for all denture labs. This product should NOT be vibrated. 9,000 psi., 63 MPA, 9-12 min Set Time, 0.09% Expansion.