What is Hydroxypropyl Methylcellulose and How Can It Help with Building Materials?

hpmc with Building Materials

What is Hydroxypropyl Methylcellulose?

Hydroxypropyl methylcellulose (HPMC) is an odorless, tasteless white powder that can be dissolved in cold water to form a clear viscous solution. HPMC has been used as a thickening agent, emulsifier, and stabilizer in many products, including food, pharmaceuticals, cosmetics, detergents, agricultural chemicals, and construction/building materials. It has excellent properties such as low toxicity and excellent heat resistance that make it ideal for use in these industries.

Hydroxypropyl Methylcellulose
hpmc powder
hpmc solution
hpmc solution

How Can HPMC Help With Building Materials?

Dry-mix mortars, such as tile adhesives and plasters, are often enhanced with hydroxypropyl methylcellulose products. By adding HPMC to tile adhesives and plaster mortar formulations, HPMC increases the product’s workability and enhances its adhesion. Additionally, HPMC improves the finish of mortar by providing flexibility and reducing shrinkage cracks. These advantages make it an ideal additive for a wide range of applications ranging from interior wall putty to tile adhesive compounds.

In addition to being used as an additive in dry-mix mortar formulations, HPMC can also be used as a binder in wet-mix mortar formulations. Due to its water retention properties, it helps improve the mechanical strength of the finished product while reducing water absorption. As such, HPMC can be an effective tool for creating strong yet flexible mortars suitable for both interior and exterior applications.


Hydroxypropyl methylcellulose (HPMC) is becoming increasingly popular among builders due to its versatile nature which makes it suitable for use in both dry-mix and wet-mix mortar formulations. As an additive to tile adhesives and plasters, HPMC can increase workability, improve adhesion properties, and reduce shrinkage cracks. Also, it provides greater mechanical strength and reduces water absorption through its water retention properties when used as a binder in wet-mix mortars. Overall, HPMC provides many benefits for those involved in the building materials industry looking for an effective way to improve their products’ performance.


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