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PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC
PVC Grade HPMC

PVC Grade HPMC

PVC grade HPMC Hydroxypropyl Methylcellulose is a polymer variety with the most uses and the highest performance among all kinds of cellulose. It is widely used in various industrial fields and daily life. It has always been known as "industrial MSG".


Hydroxypropyl Methylcellulose (HPMC) can be used in the manufacturing of polyvinyl chloride (PVC) products, specifically in PVC resin and compound processing. However, it is essential to clarify that HPMC is not a component of PVC itself; rather, it can be employed as an external lubricant or processing aid during the production of PVC compounds and resin.

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    Chemical Specification

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    PVC grade HPMC

    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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    PVC grade HPMC

    Viscosity(cps)

    Remark

    HPMC 60E50 (E50)

    40-60

    HPMC

    HPMC 65F50 (F50)

    40-60

    HPMC

    HPMC 75K100 (K100)

    80-120

    HPMC 

    Role of HPMC in PVC Processing:

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    1. Internal and External Lubrication:

    HPMC can act as a lubricating agent in PVC processing. It helps improve the flow properties of PVC compounds and reduces friction during extrusion and molding processes. HPMC can function as both an internal and external lubricant, enhancing the overall processability of PVC materials.

    2. Improved Processability:

    The addition of HPMC to PVC compounds and resin can enhance their processability, making it easier to form and shape PVC products. This is particularly important in industries where precise molding and extrusion are critical.

    3. Reduced Energy Consumption:

    HPMC's lubricating properties can lead to reduced energy consumption during PVC processing. This is not only environmentally beneficial but also cost-effective for manufacturers.

    4. Aid in Preventing Sticking: 

     In processes involving the heating and shaping of PVC, such as extrusion and injection molding, HPMC helps prevent sticking or adhesion of the PVC material to processing equipment.

    Applications of PVC Grade HPMC:

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    PVC Grade HPMC is primarily used in the PVC industry and can be applied in various PVC processing applications, including:

    1. PVC Extrusion:

    HPMC can be used in the extrusion of PVC profiles, pipes, and other products, where it aids in enhancing flow properties and reducing energy consumption.

    2. PVC Injection Molding:

    Injection molding of PVC products, such as fittings and components, can benefit from the use of HPMC to prevent sticking and improve mold release.

    3. PVC Compounding:

    In PVC compounding, where various additives and fillers are combined with PVC resin, HPMC can serve as a processing aid to facilitate uniform dispersion and improve processability.

    4. PVC Calendering:

    HPMC can be employed in PVC calendering processes for the production of sheets and films, where it helps reduce friction and improve the quality of the final product.

    Advantages of Using PVC Grade HPMC:

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    - Improved processability and flow properties of PVC compounds.
    - Enhanced extrusion and molding performance.
    - Reduced energy consumption during processing.
    - Prevention of sticking or adhesion during shaping processes.

    It's important to note that the specific grade and formulation of HPMC used in PVC processing can vary based on the requirements of the application. Manufacturers and compounders in the PVC industry may work with HPMC suppliers to tailor the formulation to their specific processing needs and product requirements. Additionally, the use of HPMC in PVC processing is subject to industry regulations and standards to ensure product quality and safety.

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    Packaging

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    The standard packing is 25kg/Fibre drum 
    20’FCL: 9 ton with palletized; 10 ton unpalletized.
    40’FCL: 18 ton with palletized; 20 ton unpalletized.

    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.