Introduction to High Viscosity Factory Hydroxypropyl Methyl Cellulose HPMC Construction Grade Ether 200000 for Wall Putty

Hydroxypropyl Methylcellulose (HPMC), whose Chinese name is hydroxypropyl methylcellulose, is a semi-synthetic, non-ionic cellulose ether obtained by chemically modifying natural cellulose. This white powder can form a transparent viscous solution after dissolving in water. It has excellent thickening, water retention, stability and film-forming properties. It is an indispensable multifunctional additive in many fields such as construction.

Characteristics and advantages of High Viscosity Factory Hydroxypropyl Methyl Cellulose HPMC Construction Grade Ether 200000 for Wall Putty

Excellent water solubility: It can be quickly dissolved in cold water to form a clear and stable solution.

Efficient thickening and water retention ability: Increase the viscosity of the material, effectively reduce water evaporation, and improve work efficiency.

Good stability: It has good stability to acids, alkalis, and salts, and is suitable for a wide range of pH values.

Film-forming and protective effects: After drying, it forms a tough and transparent film to protect the substrate and prevent water penetration and evaporation.

Non-toxic and non-irritating: It has good biocompatibility and is suitable for the fields of medicine and food.

Adjustability: By changing the degree of substitution and molecular weight, its performance can be adjusted to meet different application requirements.

Specifications of High Viscosity Factory Hydroxypropyl Methyl Cellulose HPMC Construction Grade Ether 200000 for Wall Putty

High Viscosity HPMC for Wall Putty – Product Specifications

Product Overview

This hydroxypropyl methyl cellulose (HPMC) is made for wall putty applications. It has a high viscosity of 200,000 mPa·s. The product improves workability, water retention, and adhesion in dry-mix mortars. It is ideal for interior and exterior wall finishing.

Key Properties

Viscosity: 200,000 mPa·s (2% solution at 20°C)
Appearance: White to off-white free-flowing powder
pH Value: 7.0–9.0 (2% solution)
Moisture Content: ≤5%
Ash Content: ≤5%
Gel Temperature: 58–62°C
Fineness: 80–100 mesh

Performance Benefits

This HPMC grade keeps water in the putty mix longer. That helps cement and other binders hydrate fully. It also makes the putty smooth and easy to spread. The film-forming ability adds strength and reduces cracking. The product stays stable in alkaline environments typical of construction materials. It works well with common additives like redispersible polymer powders and starch ethers.

Recommended Dosage

Use 0.3% to 0.5% by weight of total dry mix. Adjust based on climate, substrate, and desired open time. Always test small batches before full-scale use.

Storage & Handling

Store in a cool, dry place away from moisture. Keep bags sealed when not in use. Shelf life is 12 months in original packaging. Avoid contact with eyes and skin. Use standard industrial hygiene practices during handling.

Applications of High Viscosity Factory Hydroxypropyl Methyl Cellulose HPMC Construction Grade Ether 200000 for Wall Putty

High-Performance HPMC for Wall Putty Applications

Why Choose HPMC 200000 Viscosity for Wall Putty?

Hydroxypropyl Methyl Cellulose (HPMC) with a viscosity of 200,000 mPa·s is specially designed for wall putty in construction. This high-viscosity grade gives the putty excellent workability and strong adhesion to walls. It helps keep the mixture smooth and easy to spread during application.

When you mix HPMC into wall putty, it holds water well. This means the cement or gypsum in the putty gets enough time to react and harden properly. Without good water retention, the putty may dry too fast. That leads to cracks, poor bonding, and weak surfaces.

HPMC 200000 also improves the putty’s consistency. The paste stays uniform without separating or sagging on vertical surfaces. Workers find it easier to apply evenly, even on large wall areas. This saves time and reduces material waste.

Another key benefit is open time. With HPMC added, you have more time to adjust or smooth the putty before it sets. This is very helpful in hot or dry weather when drying happens faster.

This HPMC grade works well in both interior and exterior wall putties. It resists temperature changes and maintains performance over time. The final surface becomes smoother, harder, and more resistant to peeling or powdering.

Manufacturers trust Factory-Grade HPMC 200000 because it delivers consistent quality batch after batch. It blends easily with other ingredients like fillers, binders, and additives. No special equipment is needed—just standard mixing tools used on site or in production plants.

Using this HPMC ensures your wall putty meets modern building standards. It supports better finish quality, stronger durability, and fewer callbacks for repairs. Contractors and builders rely on it for reliable results every time they apply putty to walls.

Company Profile

We are the global leader in lightweight concrete and advanced engineered foam solutions. Known globally for its commitment to research, innovation, and applied expertise, we have been providing engineered foam solutions since the early 2012’s.

We can supply high-quality concrete admixture and foam concrete related products all over the world.

The company has a professional technical department and quality supervision department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are interested, please feel free and contact us.

Payment

T/T, Western Union, Paypal, Credit Card etc.

Shipment

By air, by sea, by express, as customers request.

5 FAQs of High Viscosity Factory Hydroxypropyl Methyl Cellulose HPMC Construction Grade Ether 200000 for Wall Putty

Frequently Asked Questions: HPMC 200000 for Wall Putty

What is HPMC 200000 used for in wall putty?

HPMC 200000 is a high-viscosity cellulose ether made for construction. It works as a thickener, water retainer, and binder in wall putty. This helps the putty stick well to walls, stay smooth during application, and dry evenly without cracks.

Why choose 200000 mPa·s viscosity?

The 200000 mPa·s grade gives strong thickening power. It makes the putty mix feel creamy and easy to spread. At the same time, it holds water inside the mix longer. This lets cement or gypsum hydrate fully, which improves final strength and reduces shrinkage.

How much HPMC should I add to my putty mix?

Most formulas use 0.3% to 0.6% HPMC by total dry weight. The exact amount depends on your local materials, climate, and desired workability. Start with 0.4% and adjust based on test batches. Too much may slow drying; too little may cause poor adhesion.

Does this HPMC work in both interior and exterior putty?

Yes. HPMC 200000 performs well in both indoor and outdoor applications. It resists temperature changes and keeps consistent performance in humid or dry weather. For exterior use, always pair it with proper additives like redispersible polymer powder for extra durability.

Is this product safe and stable in storage?

This HPMC is non-toxic and safe to handle with basic dust protection. Store it in a cool, dry place away from moisture. Keep bags sealed when not in use. Properly stored, it stays effective for up to 12 months without losing viscosity or performance.