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On the other hand, HPMC, a product of cellulose modified with both hydroxypropylation and methylation, also serves as a viscosity modifier and film-forming agent. Its unique feature lies in its ability to maintain its properties over a wide pH range, making it suitable for use in acid-sensitive applications. HPMC is commonly found in food products, acting as a stabilizer and emulsifier HPMC is commonly found in food products, acting as a stabilizer and emulsifier
HPMC is commonly found in food products, acting as a stabilizer and emulsifier HPMC is commonly found in food products, acting as a stabilizer and emulsifier
hec vs hpmc. In the pharmaceutical sector, it is extensively used as a controlled-release excipient in tablet formulations and as an eye drop viscosifier.


The relationship between HEC viscosity and concentration is not linear and follows a specific pattern. At low concentrations, the viscosity of HEC solutions is relatively low as the polymer chains are not interacting with each other. However, as the concentration of HEC increases, the polymer chains start to entangle and interact, leading to an increase in viscosity. This increase in viscosity continues until a critical concentration is reached, beyond which the viscosity levels off or even decreases due to the formation of a gel network

hydroxyethyl cellulose viscosity concentration.

hydroxyethyl cellulose viscosity concentration.