What are the factors that affect the light transmittance of hydroxypropyl methylcellulose?
The light transmittance of hydroxypropyl methylcellulose is mainly affected by the following points: 1. The quality of raw materials. Second, the effect of alkalization. 3. Process ratio 4. Proportion of solvent 5. The effect of neutralization Some products are cloudy like milk after they are dissolved, some are milky white, some are yellowish, and some […]Read More