Divergan F

Categories: Nutrients
Chemical name: Poly-1-(2-oxo-1-pyrrolidinyl)ethylene. Paricle size: Coarse. Divergan F is White, hygroscopic powder with a faint characteristic odor. Divergan F is crosslinked polyvinyl pyrrolidone (PVPP), manufactured in a patented polymerization process (DP 2437629). It is insoluble in water and all the usual organic solvents. Application: Divergan F is added to the beer as an aqueous suspension prior to filtration. To be fully effective, it must be in contact with the beer for at least 3 minutes before it is completely removed again by filtration together with the adsorbed polyphenols. Divergan F can also be used at an earlier stage of beer production, e.g., during wort treatment or in the storage tank. However, the best results are obtained if the beer has already been largely clarified, e.g., by centrifugation, as the active surface can then not be blocked by suspended material. A low oxygen content is required for good stabilization results. Storage: Divergan F should be kept in closed containers in a dry place to maintain its effectiveness. It can be stored for 3 years in the original unopened containers without loss of activity. Standard packaging: Divergan F is available in 20 kg containers.
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