The Importance of Cellulose Ether in Wall Putty Applications

In the construction and decoration industry, wall putty is an essential leveling material that directly affects the wall’s aesthetics and the adhesion 

of subsequent coatings. As a key additive in putty formulations, cellulose ether plays a crucial role in enhancing both the application performance 

and the final quality of the product. Below are the main functions of cellulose ether in wall putty applications:

1. Enhances Water Retention and Prevents Rapid Drying

Cellulose ether reduces the rapid loss of moisture during application, especially in high-temperature, low-humidity environments or on highly absorbent 

substrates. This prevents surface cracking, powdering, and insufficient strength.

2. Improves Workability and Smoothing Effect

Cellulose ether adjusts the consistency of putty, making it smoother and easier to apply. It also reduces adhesion to tools, minimizing sagging and improving construction efficiency.

3. Increases Adhesion and Bonding Strength

Cellulose ether enhances the adhesion of putty to the substrate, reducing issues such as powdering, hollowing, and peeling, ensuring a firm bond.

4. Enhances Crack Resistance and Reduces Shrinkage Stress

By lowering shrinkage rates, cellulose ether helps prevent cracks caused by drying shrinkage, improving the overall stability of the wall surface.

5. Improves Anti-Sagging Properties for Thick Coatings

Cellulose ether increases the thixotropic behavior of putty, allowing for thicker applications without sagging or dripping.

6. Enhances Storage Stability

It prevents putty from separating or settling during storage, extending shelf life and maintaining consistent performance during application.

7. Improves Water Resistance and Durability

Cellulose ether contributes to the water resistance of putty, preventing degradation, powdering, or peeling in humid environments.

8. Optimizes Rheological Properties for Better Handling

It helps maintain good flowability during application while increasing viscosity when at rest, making it easier to work with and reducing application difficulty.

9. Enhances Compatibility with Various Substrates

Cellulose ether improves putty’s adaptability to different wall materials, such as concrete, brick walls, and gypsum board, increasing its versatility.

The application of cellulose ether in wall putty not only improves workability but also enhances durability, adhesion, and crack resistance, making it highly suitable 

for modern construction needs. As the demand for high-quality decorative materials continues to grow, the use of cellulose ether in putty formulations will become increasingly important.

Name: Cecilia.Wang

E-Mail:cecilia.wang@jtdf-rdp.com

Mobile:+86 190 3451 3486（Whatsapp）