HOW MANY TYPES OF HYDROXYPROPYL METHYLCELLULOSE (HPMC)?
The instant Hydroxypropyl methylcellulose (HPMC) disperses quickly in cold water and disappears in the water. At this time, the liquid has no viscosity, because HPMC is only dispersed in water and does not really dissolve. In about 2 minutes, the viscosity of the liquid gradually increased, forming a transparent viscous colloid.
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