The construction industry has experienced massive growth in incorporating new materials to enhance the output and overall performance of construction products. Among such trendy innovations is the gypsum plaster.
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However, one of the ingredients that serve as the gypsum plaster&#;s bedrock, particularly in stability and thickening property, is cellulose.
In this article, we&#;ll briefly examine the roles of Hydroxypropyl Methyl Cellulose in the production of gypsum plaster.
Before we dive in, let&#;s quickly integrate you with gypsum plaster and the characteristics of HPMC.
Widely known as hydrous calcium sulfate among chemists, gypsum itself is a water-soluble naturally occurring mineral. It exists freely in nature as crystals and can be located among layers of limestone and shale.
On the other hand, gypsum plaster is produced by heating gypsum at a very minimal temperature to achieve evaporation. The dehydrated gypsum known as Plaster of Paris (POP) is pulverized and heated at about 150&#;. The dry POP powder hardens when you add water to form gypsum plaster. The concentration can be applied over concrete, brick, or block to further strengthen it.
HPMC cellulose exists as white, non-ionic cellulose ether. In its powdery form, it&#;s odorless and tasteless. It&#;s soluble in water and other organic content such as ethanol, propanol, and dichloroethane. However, it is insoluble in acetone, diethyl ether, and anhydrous alcohol.
When in an aqueous solution, HPMC offers high stability, transparency, and surface activity. Heating makes the Hydroxypropyl Methyl Cellulose precipitate for gels due to its thermal gelation properties.
1. High water retention
Cellulose has a high water-holding capacity. This attribute makes it useful to improve resistance, prevent cracking, and enhance gypsum plaster&#;s overall appearance. It also boosts surface uniformity, lubrication, and adhesion when applied to gypsum plaster in putty and other construction works.
2. Thickening property
HPMC is the right material for you if you want to increase the tensile strength of gypsum plaster and other construction material. It acts as an interface agent. That is, it improves gypsum plaster flexural strength and increases bonding strength.
3. Highly stable
HPMC's outstanding film-forming properties and high resistance to degrading enzymes help stabilize gypsum plaster pH and enhance its salt discharge performance.
Others include dispersibility, constructability, and adhesive strength. Also, HPMC has effects on the setting time, pumpability, and workability of gypsum plaster composition. Overall, it enhances construction efficiency and guides against weathering after exposure of building surfaces to water-soluble salts.
All these make HPMC an integral part of the gypsum plaster every construction worker must-have.
To order your cellulose, Michem Chemicals is your one-stop shop for quality HPMC and other construction products.with us today to book a free session with our experts for your construction material needs.
Contact with us and Get your free samples now!
Shandong Michem Chemical Co.,Ltd.
Office: No.19,Lishan North Road,Jinan Shandong,China
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Product Description
Wall Putty Hydroxyporpyl Methyl Cellulose(HPMC)
HPMC for wall putty enhances key properties like water retention, crack resistance, and workability, ensuring a smooth and durable finish. With high water retention, dispersion, and easy dissolution, HPMC polymer is ideal for dry mortar building, offering exceptional performance for both interior and exterior wall putty applications.
Hydroxypropyl Methyl Cellulose HPMC
COMMON NAME HYDROXYPROPYL METHYL CELLULOSE ABBREVIATION HPMC CAS NO. -65-3 STANDARDS COMPLIANT ENTERPRISE STANDARD CHEMICAL FORMULA R=CH2CH(CH3)OH
PHYSICAL AND CHEMICAL PROPERTIES:
* Particle size: 98.5% passes through 100 mesh; 100% passes through 80 mesh.
* Charring temperature: 280-300&#;.
* Bulk density: 0.25-0.70 g/cm3 (Usually around 0.5 g/cm3 )
* Real specific gravity: 1.26-1.31.
* Browning temperature: 190-200&#;.
* Surface tension: (2% water solution) 42-56dyn.cm.
* Properties: Dissolved in water and some organic solvent such as ethanol. propyl alcohol. ethylene chloride, the water solution is of surface activity. HPMC powder is a nonionic surface active agent. Gelation temperature is different for different grades. For example, among 60RT Hydroxypropyl Methylcellulose, 60 is gelation temperature, Namely, 2% water solution will form gelation at 60%.
HaoShuo Cellulose Ether provides putty with the following properties:
- excellent water retention;
- easy to smooth;
- long opening hours;
- Wide range of environmental adaptations.
Gypsum Plaster Hydroxyporpyl Methyl Cellulose(HPMC)
If you want to learn more, please visit our website HPMC for gypsum.
Elevate your plastering projects with Haoshuo's Gypsum Plaster HPMC. Infused with Hydroxypropyl Methylcellulose, this advanced solution enhances workability, water retention, and tensile strength. The HPMC cellulose's high stability ensures improved resistance, prevents cracking, and enhances overall appearance in gypsum plaster applications.
HaoShuo cellulose ether provides key properties for gypsum-based mortars:
- high water retention;
- Fast dissolving speed;
- good adhesion;
- easy pumping and good sag resistance;
- Easy to apply and press finish.
As a professional Wall Putty HPMC supplier, HaoShuo provides different grades of high quality HPMC:
Construction Grade HPMC
Daily Chemical Grade HPMC
Gypsum Special Grade HPMC
With ISO- international quality system certification, factory directly sell and competitive price, our hydroxy propyl methyl cellulose has been exported around the world like Pakistan, India, South Korea, Bangladesh, Indonesia, Singapore, Taiwan, Belgium, Thailand etc. Sincerely hope to cooperate with you!
Wall putty/Plaster application guide
&#; Sag-resistance: HPMC can provide a good viscosity of the wet mortar, prevent wall putty sagging.
&#; The good filming property on the surface of wall putty, could reduce the water absorption of base wall. Reduce the risk of cracking.
&#; Good water retention will make sure all the putty powder additives and gypsum additive reach the best performance.
&#; Good workability to increase the efficiency.
Packaging and Storage
Packaging and storage: 25 kg/bag
Note: The product is packaged in polypropylene woven bags, each with a net weight of 25kg. When storing, place in a ventilated and dry place indoors, pay attention to moisture. Pay attention to rain and sun protection during transportation.
Quantity/20GP: 12 tons with pallets, 14 tons without pallets.
Quantity/40HQ: 24 tons with pallets, 28 tons without pallets.
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Wall putty in construction system
The coating system is generally divided into three layers: wall, putty and paint. When the ambient temperature and humidity change, due to the different deformation coefficients of the three-layer materials, the deformation is consistent, which inevitably generates stress in the decoration system. The putty resists cracking of the substrate and peeling of the film by virtue of its flexibility to relieve stress. At the same time putty provides a leveling, smooth or textured substrate for latex paints. Due to the optimization of the putty formula, the amount of latex paint is reduced and the service life of the coating film is prolonged.
Gypsum VS Cement
Gypsum plays a very important role in the building materials industry. Compared to cement, gypsum has unique characteristics:
- Fast curing speed and adjustable curing time;
- There is a little swelling after hydration, and the cementitious material has no hollowing and cracking phenomenon;
- After curing, a large number of porous structures are formed in the material, which has the functions of ventilation, sound absorption and sound insulation. It can adjust the humidity of living and working places and create a comfortable climate, so gypsum plays an important role in interior decoration;
- Rich in natural gypsum resources, unit energy consumption is lower than cement. Gypsum can be recycled;
- Power plant desulfurization produces a large amount of gypsum, providing a rich source of gypsum.
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Hydroxypropyl Methyl Cellulose, also known as HPMC, is a versatile and widely used cellulose derivative that is odorless, tasteless, and non-toxic. It is a white or off-white powder that is soluble in water and forms a clear, colorless solution. HPMC is derived from natural cellulose and is often used in various industries, including pharmaceuticals, food, cosmetics, and construction.
In the cosmetics industry, HPMC is used as a thickening agent, film former, emulsifier, and stabilizer in various cosmetic products, such as creams, lotions, shampoos, and gels. It can improve the texture, spreadability, and stability of cosmetic formulations. HPMC is often used in sunscreen products to provide water resistance and enhance UV protection. It is also used in hair care products to provide conditioning and styling benefits.
In the construction industry, HPMC is used as a thickening agent, water retention agent, and binder in various building materials, such as mortar, grouts, adhesives, and paints. It can improve the workability, adhesion, and durability of construction materials. HPMC is often used in tile adhesives to improve open time, sag resistance, and bonding strength. It is also used in cement-based systems to prevent sedimentation, improve pumpability, and reduce water loss.
Overall, HPMC is a versatile and multifunctional cellulose derivative that is widely used in various industries for its unique properties and benefits. It is a safe and environmentally friendly ingredient that can improve the performance and quality of pharmaceuticals, food, cosmetics, and construction materials. Whether you are formulating a new drug, developing a new food product, creating a new cosmetic formula, or constructing a new building, HPMC can be a valuable ingredient to consider. Its versatility, stability, and compatibility make it a popular choice for formulators and manufacturers worldwide.
If you are looking for more details, kindly visit Redispersible latex powder.