For more information, please visit hpmc for gypsum plaster.

HPMC For Gypsum Hand Plaster:

 

Introduction of HPMC For Gypsum

 

Gypsum hand plaster is usually applied to the exterior building. It is suitable application for small and delicate construction sites on account of its extensive use of manpower. HPMC For Gypsum is a very important component in gypsum hand plaster. It mainly plays the role of water retention, retardation and lubrication, and it can even be said to be the key to determining the quality of gypsum hand plaster.

 

Technical Information of HPMC For Gypsum:

 

Products

MC

HPMC

HA

HE

HF

HJ

HK

Methoxyl Content (%)

27.0-32.0

28.0-30.0

27.0-30.0

16.5-20.0

19.0-24.0

Hydroxypropoxyl (%)

 

7.0-12.0

4.0-7.5

23.0-32.0

4.0-12.0

Relation Temperature(℃)

50-55

58-64

62-68

 

70-90

Appearance

White to off-white powder

PH Value

5.0-8.0

Viscosity

(2%water solution,20℃)

50-54,000mpa.s（Brook-filed RV）

50-200,000mpa.s (Brook-filed LV)

Fineness

About 100% through 80mesh,98.5% through 100mesh

Mositure(WT%)

≤5.0%

Ash(WT%)

≤5.0%

 

Features of HPMC For Gypsum: 

 

• Good water retention

• Excellent thickening effect

• Better workability

• Anti-sagging

Want more information on redispersible polymer powder rdp for tile grout? Feel free to contact us.

Related links:
Applications for construction grade Hydroxypropyl methyl ...
Top 7 Things You Need to Know to Buy HPMC for Tile ...

• Longer open time

 

Package: 25kg/bag(valved bag)      1ton/pallet

 

Application of the HPMC for Gypsum:

 

- Gypsum Plasters,tile Bond Mortar

- Joint Fillers, skim Coat

- Wall Putty Powder, diamond Grouts Additives

- Exteriorl Wall Insulation System / External Insulation and Finish System

 

More Information about ZHICHENG Products:

1. Products classification: HK grades(unmodified products with surface treatment or not) C grades(highly modified products)

2. Viscosity range: 50~54,000 mpa.s(Brookfiled RV) or 50~200,000 mpa.s(NDJ/Brookfied LV)

3. Quality stability: ZHICHENG apply "half-done products management" which ensures the most stability of our products' quality.

4. Unmodified products: Higher purity, better performance and more stable

5. Highly modified products: Imported technology offers better properties like water retention, slip resistance, crack resistance, longer open time, etc. Widely used in Tile adhesives, Wall Putty, Mortars, Gypsum based products, etc.

6. Products traceability: We keep samples for each batch No. products for 2 years to track any quality problem raised by customers.

7. R&D center: We have a world-class  R&D center to ensure the most professional technical support to our customers.

ZHICHENG started to develop and produce HPMC For Gypsum in the late 1970s, and was one of the earliest companies to produce HPMC For Gypsum in China. Our company's products won the 1978 Science Congress Achievement Award.

In 2012, the company expanded its production capacity, with an annual output of 30,000 tons of non-ionic cellulose ether production lines. The production line adopts the first 26m3 large European-style reactor in China. The production process is completely controlled by DCS. Good product uniformity and stable quality

Relying on advanced production technology and equipment, fully functional R&D center and scientific management of ISO9000 quality system, the company's production technology has reached the international advanced level.
Therefore, we have absolutely reliable product quality and professional technical level, and at the same time, we will provide you with the best price. 

ZHICHENG always aim to offer customers: The Most Cost/Effective Products.

If you are interested in our products, please contact us without hesitation.

EMAIL: sales@zchpmc.cn

Gypsum plaster is a popular construction material known for its excellent properties, such as fire resistance and sound insulation. To further improve its workability, adhesion, and performance, Hydroxypropyl Methyl Cellulose (HPMC) is often used as an additive. In this article, we will explore the significance of HPMC for gypsum plaster and its various advantages in the construction industry.

1. Understanding HPMC

Hydroxypropyl Methyl Cellulose (HPMC) is a non-ionic cellulose ether derived from natural plant fibers. It is water-soluble and forms a transparent, viscous solution when mixed with water. HPMC is widely used in various construction materials due to its exceptional properties, including thickening, water retention, and adhesive capabilities.

2. Improving Workability

HPMC is an essential additive in gypsum plaster formulations because it improves the workability of the mixture. By adding HPMC, the plaster becomes more cohesive and easier to spread, allowing for a smoother and more efficient application on various surfaces. The improved workability also reduces the occurrence of cracks and imperfections during plastering.

3. Enhanced Adhesion

One of the key benefits of incorporating HPMC in gypsum plaster is its ability to enhance adhesion. HPMC forms a thin film on the surface of the substrate, creating a strong bond between the plaster and the substrate. This enhanced adhesion ensures that the plaster adheres firmly to the surface, improving the overall durability and longevity of the plastered area.

HPMC for Gypsum

4. Water Retention

HPMC acts as a water retention agent in gypsum plaster. It helps to slow down the evaporation of water from the plaster mixture, allowing sufficient time for proper curing. This controlled water evaporation ensures that the plaster sets and hardens uniformly, reducing the risk of cracking and improving the final strength of the plaster.

5. Improved Crack Resistance

Cracks in gypsum plaster can be a common concern, especially in areas with temperature variations and humidity changes. By using HPMC as an additive, the plaster gains improved crack resistance due to its enhanced flexibility and adhesion properties. The presence of HPMC helps to accommodate slight movements in the substrate without causing cracks in the plaster layer.

6. Environmentally Friendly

HPMC is derived from renewable plant fibers, making it an environmentally friendly additive for gypsum plaster. As a biodegradable material, it has minimal impact on the environment and contributes to sustainable construction practices.

7. Compatibility with Other Additives

HPMC is highly compatible with other additives used in gypsum plaster formulations. It can be combined with retarders, accelerators, and air-entraining agents to achieve specific properties and performance characteristics tailored to different construction needs.

Conclusion

Hydroxypropyl Methyl Cellulose (HPMC) plays a significant role in enhancing the performance of gypsum plaster. By improving workability, adhesion, water retention, and crack resistance, HPMC ensures a smoother and more durable plastering process. As an environmentally friendly additive, it aligns with sustainable construction practices. For gypsum plaster manufacturers and construction professionals, incorporating HPMC in plaster formulations can lead to higher-quality, more efficient, and long-lasting results.

Frequently Asked Questions (FAQs)

Q1. Can HPMC be used in other construction materials?

A: Yes, HPMC is a versatile additive and is widely used in various construction materials, including cement-based mortars, tile adhesives, and self-leveling compounds.

Q2. Does HPMC affect the setting time of gypsum plaster?

A: HPMC may slightly extend the setting time of gypsum plaster due to its water retention properties. However, the effect is usually minimal and can be managed by adjusting the formulation.

Q3. Is HPMC safe for use in construction applications?

A: Yes, HPMC is considered safe for use in construction applications. It is non-toxic, non-irritating, and poses no health hazards when handled properly. However, it is essential to follow the manufacturer's guidelines and safety recommendations during handling and storage.

If you want to learn more, please visit our website hpmc for self-leveling mortar.