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March 3, 2014
Dave Wang, CDT · Owner at Hi Star Dental Lab
I have used Nu build for over 30 years - If new is left in a wet tray for extended...See more periods of time 2 to 3 weeks - it will get concentrated and cause the porcelain to get a clay /pasty consistency that will cause lift offs. if the porcelain mix dries out and is re wet - small bubbles occur.