About Our Investments

Investments with „speed“-additives such as PrimaVest® -SOFT, -SPEED, -CLASSIC, - DUO, -PRESS, PRESS-2 and PRESS Universal are highly hygroscopic. That is why we recommend using portion bags for laboratories with low consumption. Opened bags must be closed directly after use with the provided closure band and must be totally consumed within the next 3 weeks. If the bag is open for an hour or longer, the investment can not be used (in the speed-procedure)!

We use bags of high quality with a thick aluminum layer for a low vapour permeability. Thus, the powder can be stored for at least 2 years.

The liquid should not be used after the expiration date because the fit and the control of the expansion deteriorates. The bottle of the liquid must be closed after use. Store the liquid protected from light.