Application
Wall Putty / Skim Coat Application
Wall Putty / Skim Coat Application
Wall Putty / Skim Coat Application
Wall Putty / Skim Coat Application

Wall Putty / Skim Coat Application

Recommended Additives:

● HPMC (Hydroxypropyl Methylcellulose)

● MHEC / HEMC (Methyl Hydroxyethyl Cellulose / Hydroxyethyl Methylcellulose)


Overview

Wall putty, also known as skim coat, is a thin finishing layer applied to walls before painting or wallpapering. It provides a smooth, uniform surface and improves adhesion for top coatings. To ensure excellent workability, crack resistance, and long-lasting performance, modern wall putty formulations rely heavily on cellulose ethers like HPMC and MHEC.

At Hehui Chemical, we offer high-purity HPMC and MHEC products that are specifically engineered for use in cement-based and gypsum-based skim coats. Our additives enhance every aspect of the application process — from mixing to final finish.

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Role of HPMC & MHEC in Wall Putty

Water Retention

Maintains adequate moisture during setting, allowing better cement hydration and preventing surface cracks or premature drying.


Workability Enhancement

Improves spread ability, smoothness, and ease of troweling — especially important for thin layers.


Open Time & Application Efficiency

Longer open time means fewer interruptions and more efficient on-site performance.


Anti-Sagging and Thixotropy

Improves vertical hold and consistency, allowing thick applications without dripping or sagging.


Surface Quality

Ensures a fine, pinhole-free finish that boosts paint adhesion and final appearance.

Why Choose Hehui's Cellulose Ethers for Wall Putty?

High viscosity stability and purity

Excellent compatibility with white cement and gypsum

Tailor-made grades for tropical and cold climate performance

Reduced air-entrainment for smoother surface

Produced in ISO-certified factories with advanced technology

Packaging & Storage

Packaging: 25kg kraft bags with inner PE liner

Shelf Life: 2 years under dry, sealed conditions

Storage: Avoid direct contact with moisture and store in a cool, dry place

Hehui – Your Reliable Cellulose Ether Partner

As a leading manufacturer of HPMC and MHEC for wall putty, we provide not only products but also technical support to help you formulate high-performance, cost-effective putty for every market.

Let us help you develop better-performing wall putty solutions!

Interior Wall Putty
Exterior Wall Putty
Skim Coat
Specialty Wall Putty
HPMC & HEMC for Interior Wall Putty

1. Hehui Chemical's HPMC significantly improves water retention in interior wall putty, preventing premature drying and ensuring optimal curing for smooth and durable surfaces.

2. The cellulose ether additives enhance workability, allowing easy application with minimal lumps and excellent spreadability.

3. HPMC increases adhesion and flexibility, reducing the risk of cracking on interior walls.

4. Ideal for producing high-quality interior wall putty that delivers a fine finish and long-lasting performance.

HPMC & HEMC for Exterior Wall Putty

1. HEMC offers superior water retention properties in exterior wall putty formulations, maintaining hydration in harsh weather conditions.

2. Cellulose ethers improve the flexibility and adhesion of exterior wall putty, enhancing resistance to cracking and weathering.

3. These additives contribute to the durability and protective qualities of coatings applied on outdoor surfaces.

4. Perfect for exterior wall putty designed to withstand environmental stresses and extend the lifespan of building facades.

HPMC & HEMC for Skim Coat(Smooth Finishing)

1. Cellulose ethers like HPMC and HEMC enhance water retention and rheological properties in skim coat formulations, enabling smooth, lump-free application.

2. These additives improve workability and sag resistance, which is essential for vertical surfaces and ceilings.

3. They increase adhesion and flexibility, helping prevent cracks and enhancing durability.

4. Suitable for both interior and exterior skim coats requiring smooth, high-quality finishes.

Advanced Cellulose Ethers for Specialty Wall Putty

1. Hehui's advanced cellulose ethers provide tailored water retention and viscosity control for specialty wall putty formulations used in demanding applications.

2. These additives deliver enhanced crack resistance and superior adhesion on challenging substrates such as gypsum boards or moisture-prone surfaces.

3. They optimize flow and leveling properties, ensuring a smooth and uniform finish even in specialized environments.

4. Designed for premium specialty wall putty products used in renovation, waterproofing, and high-performance decorative coatings.

Provide You with High-Quality Products
HPMC
HPMC

Hydroxypropyl Methylcellulose (HPMC) is a non-ionic, water-soluble polymer derived from natural cellulose. At Hehui Chemical, we manufacture high-purity HPMC designed to meet the demanding needs of dry mix mortars, water-based paints, and household detergent formulations.

MHEC
MHEC

MHEC, also known as HEMC (Hydroxyethyl Methylcellulose), is a versatile cellulose ether widely used in construction materials and water-based Paint &coatings. As a modified cellulose ether, MHEC offers excellent water retention, thickening, and rheology control properties, making it a vital ingredient in products like tile adhesives, dry mix mortars, wall putty, gypsum plaster, and waterborne paints.

HEC
HEC

Hehui Hydroxyethyl Cellulose HEC Powder is a non-ionic, water-soluble cellulose ether designed to deliver excellent thickening, stabilization, and water retention across a wide range of industries. Made from high-purity natural cellulose, our HEC is ideal for water-based formulations in paints, coatings, construction materials, personal care products, and oilfield chemicals.

CMC
CMC

Carboxymethyl Cellulose (CMC) is an anionic water-soluble polymer derived from refined cellulose. It is widely used as a thickener, stabilizer, binder, water retention agent, and film-forming agent.

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Free Solution

Looking for customized CMC solutions for your industry?

Let Us HelpContact our technical team to find the right grade for your application.

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Tech Care+
What is the Difference Between HPMC and HEMC?

July 09, 2025

What is the Difference Between HPMC and HEMC?
In the world of cellulose ethers, HPMC (Hydroxypropyl Methylcellulose) and HEMC (Hydroxyethyl Methylcellulose) are two of the most commonly used additives across various industries, especially in construction and coatings.
HPMC vs HEMC: Which Is Better for Water-Based Paints?

July 09, 2025

HPMC vs HEMC: Which Is Better for Water-Based Paints?
When it comes to formulating high-performance water-based paints, choosing the right rheology modifier is crucial. Two commonly used non-ionic cellulose ethers are Hydroxypropyl Methylcellulose (HPMC) and Hydroxyethyl Methylcellulose HEMC.
The Importance of HPMC and MHEC in Mortar and Putty -Insights from Hehui Chemical

July 09, 2025

The Importance of HPMC and MHEC in Mortar and Putty -Insights from Hehui Chemical
As a leading manufacturer of cellulose ethers, Hehui Chemical specializes in producing high-quality HPMC (Hydroxypropyl Methylcellulose) and MHEC (Methoxy Hydroxyethyl Cellulose), which play vital roles in modern dry-mix mortar and putty formulations.