... waterless ethanol, aether or acetone, expands as to clear or slightly muddy colloid solution in cold ... Dissolving process:HPMC will agglomerate when directly added to water and then dissolve. In this wayit ... :1) In hot water: add water in container to 1/3 or 2/3 of its content, ... other powder, disperses them sufficiently then add water to the mixture result HPMC dissolves without agglomeration3) ...