Usage of hydroxypropyl methyl cellulose HPMC

Usage of hydroxypropyl methyl cellulose HPMC

1、 Applied to putty powder. Choose a hot soluble 100000 viscosity hydroxypropyl methyl cellulose and mix it directly with dry powder in a ratio of 3/1000. When using, add water directly because the cellulose is completely mixed with putty powder, so there will be no agglomeration phenomenon. The method of using mortar is similar to that of putty powder. Eastchem can provide free samples

2、 Preparation of building adhesive. Due to the phenomenon of clumping when hot soluble products are directly placed in cold water, choose 200000 viscosity cold water soluble cellulose, which can reach a consistency of 200000 mpas in 1% aqueous solution. Adjust the dosage up and down according to your own needs. Hydroxypropylmethylcellulose gradually shows its consistency three minutes after being placed in water, and reaches its maximum consistency in about ten minutes (the starting viscosity time can be adjusted by the manufacturer). If hot soluble hydroxypropyl methyl cellulose is selected, it needs to be washed with water above 50 ℃. Because hydroxypropyl methyl cellulose is not soluble in hot water, there will be no agglomeration phenomenon in hot water. Then, by waiting for cooling or adding cold water, the solution will show the expected viscosity.

3、 Spray. Using a cold water instant type, the faster the viscosity onset time, the better, as long as it does not clump. Choose a cold water soluble hydroxypropyl methyl cellulose with a viscosity starting from 1 minute.