Home » Solution » Wall Putty

Wall Putty

The most commonly used putty powder is hydroxypropyl methylcellulose (HPMC), Advantages of HPMC: strong water retention, stable thickening effect, good alkali resistance (suitable for cement-based putty), moderate film-forming properties, balancing workability and curing performance, making it the mainstream choice.
 Water Retention and Thickening to Prevent Rapid Drying
 
After application, putty needs to adhere tightly to the substrate (wall), and the cementitious materials (such as cement and gypsum) require water to complete the hydration reaction. The hydrophilic groups (hydroxyl groups, ether bonds) in the cellulose molecular chain can adsorb a large amount of water, forming a "moisture protective film," slowing down the penetration of water into the substrate (such as dry walls) and the rate of evaporation into the air, preventing the putty from cracking, blistering, and powdering due to rapid drying.

Simultaneously, cellulose forms a three-dimensional network structure in water, increasing the viscosity (consistency) of the putty slurry, preventing "sagging" during construction (especially on vertical surfaces) due to excessive thinness.

  Improved Workability (Workability, Plasticity)

Cellulose imparts good "thixotropic properties" to the putty: when standing, the slurry has a high consistency (not easily sedimenting or separating); during construction, mixing, or application (under shear force), the consistency decreases (easy to spread); after application, the shear force disappears, and the slurry quickly recovers its consistency, ensuring a uniform putty layer thickness and reducing "stickiness" or "collapse." For putty applied by hand scraping or machine spraying, suitable cellulose can make the putty easier to apply and smooth on the wall, reducing scraper resistance and improving construction efficiency.

  Enhanced Bond Strength and Crack Resistance

During the putty hardening process, cellulose molecular chains form a thin film, filling the gaps between filler particles and enhancing the "bridging effect" within the putty. This improves the adhesion between the putty layer and the substrate (reducing peeling), while also reducing the shrinkage rate of the hardened putty, minimizing micro-cracks.

For gypsum-based putty, cellulose can also alleviate the volume expansion caused by excessively rapid hydration of gypsum, preventing cracking.

  Stabilizes the system and prevents stratification and sedimentation

After the putty powder is mixed with water, the thickening effect of cellulose stabilizes the suspended state of solid particles (heavy calcium carbonate, cement, etc.) in the paste, preventing the "thin on top, thick on bottom" or filler sedimentation that occurs during standing. This ensures uniform putty composition and a smooth surface after application.
 
Liquid Soap Formulation Workflow.jpg

HPMC and HEMC are both useful cellulose ethers for liquid soap, but they perform differently in clarity-sensitive systems. For formulas where cloud point issues must be minimized, HPMC is usually the better starting point, while HEMC is more suitable when texture and rheology are the priority

14 August 2026
HPMC Vs HEMC Vs HEC.jpg

Hydroxypropyl Methyl Cellulose, commonly known as **HPMC**, is a highly versatile cellulose ether used in construction, pharmaceutical, food, and personal care applications. Its different grades are defined by factors such as viscosity, substitution level, particle size, and intended application. Understanding these grades is essential for selecting the right product for specific formulation needs, processing conditions, and performance goals.

03 August 2026
4.jpg

HPMC and HEMC are both useful cellulose ethers in hand sanitizer formulations, but they can create different sensory outcomes. HPMC often supports a more structured, silky gel feel, while HEMC can offer a softer, smoother rub-in experience. For manufacturers, the right choice depends on viscosity target, user comfort, and the final product design.

01 August 2026
HPMC Applications.jpg

HPMC is a cellulose ether made through alkalization, etherification, purification, drying, and milling. Its manufacturing flow directly affects viscosity, purity, and end-use performance across construction and daily chemical applications.

04 August 2026
Pharmaceutical HPMC Uses.jpg

Hydroxypropyl Methyl Cellulose, commonly known as **HPMC**, is one of the most important cellulose ethers used in construction materials, pharmaceutical formulations, and personal care products. Different grades of HPMC are designed to deliver specific performance profiles, including water retention, thickening, film formation, suspension stability, and workability. Selecting the right grade is essential for achieving reliable product performance, stable processing, and consistent end-use results.

02 August 2026
HEC Quality Inspection.jpg

This article reviews the Cellulose HEC supply landscape linked to Spain, explains how to evaluate suppliers, compares leading manufacturers and distributor channels, and offers a practical buyer’s guide for verifying factory authenticity, batch consistency, and compliance. It also highlights Shandong Shengda New Material Co., Ltd. as a flexible, cost-effective OEM-oriented manufacturer with 60,000 tons of annual capacity and strong support for mid-sized brands.

05 August 2026

Telephone

+86-131-7602-7703
​Copyright © Shandong Shengda New Material Co., Ltd. All Rights Reserved.

Products

Solution

Support

About

Contact Us for Your Needs

Our main products include HPMC, HEMC and HEC.