In waterborne coatings, the product has good storage stability and maintains uniform viscosity and dispersion of pigments. Products with different viscosities show different degrees of enzyme resistance. The higher the viscosity the better the enzyme resistance. Films thickened with this product are characterized by fast coating performance, high adhesion, scratch resistance, rain resistance, freezing resistance and excellent homogeneity. In addition, it helps to improve paint applicability and film uniformity due to its water retention, coating performance and good leveling.
As a binder for molded refined ceramic products, the higher concentration solution of this product can be adsorbed on the surface of ceramic particles, which can minimize the friction between ceramic particles and improve lubricity. Thus, the molded ceramic products can obtain ideal surface smoothness and dimensional stability. In addition, the low ash content of this cellulose ether product contributes to the excellent electrical properties of sintered ceramic products.

Packing and Storage of Industrial Grade Hydroxypropyl Methyl Cellulose (HPMC)

The packing of industrial grade HPMC is double polyethylene film bag, pearlescent film woven bag, net weight 25kg per bag.

What factors affect the viscosity of aqueous solutions of hydroxypropyl methylcellulose?

Relationship to polymer:
The viscosity of aqueous solutions of hydroxypropyl methylcellulose is directly proportional to the polymer or molecular weight and increases with the degree of polymerization. This effect is more pronounced at low polymerization than at high polymerization.
Viscosity versus concentration:
The viscosity of hydroxypropylmethylcellulose in aqueous solution increases with the concentration of the aqueous solution, and even small changes in concentration can cause large changes in viscosity.
Relationship between viscosity and temperature:
Temperature significantly affects hydroxypropyl methylcellulose. As the temperature increases, the viscosity decreases.
Relationship between viscosity and shear rate:
Tests show that hydroxypropyl methylcellulose does not change significantly at low shear rates. And the viscosity decreases with increasing shear rate.
Other influencing factors:
Various additives, solutions and pH values also affect the viscosity of hydroxypropyl methylcellulose.

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