Water solubility and dissolution mode of HPMC and HEMC
HEMC (Hydroxyethyl Methyl Cellulose) and HPMC (Hydroxypropyl Methyl Cellulose) commonly used in the construction industry have excellent water solubility, but if directly added to water, they can cause clumping. So for fine powdered methyl cellulose ethers (non surface treated), to avoid clumping in water, the appropriate dissolution method is: First, disperse cellulose ether in hot … Continue reading