What is the difference between pure HPMC and adulterated?
What is the difference between pure HPMC and adulterated? The Pure hydroxypropyl methylcellulose is visually fluffy and has a small bulk density, ranging from 0.3--0.4/ml. The adulterated HPMC has better fluidity and a heavier feel, which is obviously different from the appearance. Pure hydroxypropyl methylcellulose aqueous solution is clear, with high light transmittance and water
