The term micronization usually refers to the reduction of average particle diameters to the micrometer range, but can also describe further reduction to the nanometer scale. Common applications include the production of active chemical ingredients, foodstuff ingredients, and pharmaceuticals.
BUT remember, the general rules still apply. Now, letâs quickly go through the most popular types of tea and their perfect steeping conditions. 1  Black tea: 0.5 teaspoon per cup; water temperature 96Â°C (205Â°F); steep for 3 minutes.  Green tea: 1 tsp/cup; temp. 65-80Â°C (150-175Â°F); 3-4 minutes.
Recently, in Taiwan, a new trend has arisen of cold-steeping tea. Not like iced tea, where you make it hot, then cool it down. But you start with cold water, throw the tea in, put it in the fridge for two hours, or just leave it at room temp. Supposed to have less caffeine, reduced bitterness.