What is hydroxypropyl methyl cellulose

1. https://www.eastchemy.com/product/grouts-additive-construction-hpmc-self-leveling-compoundHPMC is a kind of white or non-stone yellowish powder, so it is odorless, milky white and non-toxic.

2. HPMC Cold Water Instant Type A can be dissolved in cold water to form a transparent viscous solution.

3. Because it contains a certain amount of hydrophobic methoxy group in my opinion, this product can be soluble in some organic solvents, and can also be soluble in water, such as sulfate mixture or solvent.

4. In my opinion, the viscosity of the aqueous solution of this product is relatively stable, especially in the range of PH30-110.

5. HPMC and aqueous solution have surface activity, making the latter emulsifying, protecting colloid and relatively stable.

6. However, when heated to a very strong temperature surface, the aqueous solution of this product can become opaque, and precipitate, making the solution lose its viscosity.

7. However, it will change to the former or solution state after gradual cooling.