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Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC
Construction Grade HPMC

Construction Grade HPMC

Construction Grade HPMC Hydroxypropyl Methylcellulose is a cellulose ether widely used in the construction industry. It is a crucial additive in construction materials, offering various benefits that enhance the performance and workability of cement-based products.


Construction Grade HPMC is a white cellulose ether powder that swells into a clear or slightly turbid colloidal solution in cold water. It has the characteristics of thickening, bonding, dispersion, emulsification, film formation, suspension, adsorption, gelation, surface activity, moisture retention and protective colloid.

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    Chemical Specification

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    Specification

    HPMC 60

    ( 2910 )

    HPMC 65

     ( 2906 )

    HPMC 75

    ( 2208 )

    Gel temperature (℃)

    58-64

    62-68

    70-90

    Methoxy (WT%)

    28.0-30.0

    27.0-30.0

    19.0-24.0

    Hydroxypropoxy (WT%)

    7.0-12.0

    4.0-7.5

    4.0-12.0

    Viscosity(cps, 2% Solution)

    3, 5, 6, 15, 50, 100, 400,4000, 10000, 40000, 60000,100000,150000,200000

    Product Grade:

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    Construction Grade HPMC

    Viscosity

    (NDJ, mPa.s, 2%)

    Viscosity

    (Brookfield, mPa.s, 2%)

    HPMC KM840

    320-480

    320-480

    HPMC KM860M

    48000-72000

    24000-36000

    HPMC KM8100M

    80000-120000

    40000-55000

    HPMC KM8150M

    120000-180000

    55000-65000

    HPMC KM200M

    180000-240000

    70000-80000

    Key Features of Construction Grade HPMC:

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    1. Water Retention:

    HPMC helps to improve water retention in cementitious mixtures. This is especially important in construction because it prevents premature drying of the mix, allowing for proper curing and hydration of cement particles.

    2. Workability and Spreadability:

    HPMC acts as a rheology modifier, enhancing the workability and spreadability of construction materials. This makes it easier to mix, apply, and work with cement-based products.

    3. Thickening Agent:

    HPMC is an effective thickening agent, which can help to control the viscosity of construction materials. This is beneficial for applications such as tile adhesives and self-leveling compounds.

    4. Improved Adhesion:

    It enhances the adhesion of construction materials to various surfaces, ensuring better bonding and a stronger final product.

    5. Setting Time Control:

    HPMC can be used to control the setting time of cementitious mixtures, which is important in applications where delayed setting or extended workability is required.

    Applications of Construction Grade HPMC:

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    1. Tile Adhesives:

    HPMC is commonly used in tile adhesives to improve workability, adhesion, and water retention. It helps to ensure that tiles are properly bonded to substrates.

    2. Mortars and Renders:

    In cementitious mortars and renders, HPMC enhances water retention, workability, and adhesion, leading to better application and performance.

    3. Self-Leveling Compounds:

    HPMC is essential in self-leveling compounds, ensuring smooth and level surfaces in flooring applications.

    4. Plasters: 

    Plaster formulations benefit from HPMC, as it enhances their workability and adhesion to walls and ceilings.

    5. Caulks and Sealants:

    In caulks and sealants, HPMC helps control the viscosity and improves adhesion to various surfaces.

    6. Exterior Insulation and Finish Systems (EIFS): 

    EIFS applications rely on HPMC to improve the properties of base coats, adhesives, and finish coats.

    7. Concrete and Mortar Additives:

    HPMC is used in concrete and mortar additives to improve water retention and workability in construction projects.

    8. Gypsum-Based Products:

    Gypsum-based materials, such as drywall joint compounds, benefit from HPMC for improved workability and adhesion.

    Advantages of Using Construction Grade HPMC:

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    - Improved workability and application properties.
    - Enhanced water retention for proper curing.
    - Better adhesion to substrates.
    - Controlled setting time in specific applications.
    - Reduced risk of cracking and improved durability.
    - Enhanced overall performance and quality of construction materials.

    Construction grade HPMC is a valuable additive in the construction industry, contributing to the quality, durability, and workability of various cement-based products. Its versatility and ability to improve essential properties make it a preferred choice for many construction professionals. When used correctly, it can result in more efficient construction processes and higher-quality finished structures.

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    Packaging

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    The standard packing is 25kg/bag 
    20’FCL: 12 ton with pallet; 14 ton without pallet.
    40’FCL: 24 ton with pallet; 28 ton without pallet.

    Storage:

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    Store it in a cool, dry place below 30°C and protected against humidity and pressing, since the goods is thermoplastic, storage time should not exceed 36 months.

    Safety notes:

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    The above data is in accordance with our knowledge, but don’t absolve the clients carefully checking it all immediately on receipt. To avoid the different formulation and different raw materials, please do more testing before using it.