Microcrystalline Cellulose structure is characterized by its small particle size and crystalline nature. The particles of MCC have a diameter of less than 50 μm and are made up of loosely packed crystalline regions that give them a high surface area. The surface area of MCC particles ranges from 0.2 to 2 m2/g, depending on the production method and the source material used. The high surface area of MCC particles gives them exceptional binding and absorption properties, which make them valuable ingredients in various applications.
Microcrystalline Cellulose crystalline structure also contributes to its unique properties. The degree of crystallinity of MCC particles is between 55% and 85%, depending on the source material and the production method. The crystalline nature of MCC particles gives them excellent mechanical properties, including high strength, stiffness, and toughness. MCC's crystalline structure also gives it high thermal stability, making it resistant to high temperatures.
Another unique property of Microcrystalline Cellulose is its high water-holding capacity. MCC particles can absorb up to five times their weight in water, making them valuable ingredients in various applications where moisture control is essential. MCC's water-holding capacity also makes it an excellent filler and diluent in tablet formulations, where it ensures uniform distribution of active ingredients and improves drug delivery.
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