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High Chlorinated Polyethylene (HCPE) Resin for Adhesives, Paints, and Coatings - Trusted China Suppliers & Factory

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HCPE, or high chlorinated polyethylene, is a premium resin produced by leading suppliers in China. This versatile material boasts a relative density of 1.35-1.45 and an apparent density ranging from 0.4 to 0.With a chlorine content exceeding 65%, HCPE provides exceptional thermal stability, with a decomposition temperature above 130°C and maintaining stability for over 3mm at 180°C. Our factory ensures top-quality HCPE that meets diverse industry needs.

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    Products Description

    White light small particles. Since the molecular structure does not contain double bonds and the chlorine atoms are randomly distributed, it has good weather resistance, ozone resistance, heat aging resistance, flame resistance, chemical resistance and oil resistance. Used to replace chlorinated rubber in adhesive production.

    HCPE can also be used as adhesives, paints, flame retardants, and high-grade ink modifiers, which can improve adhesion, corrosion resistance, flame retardancy, and abrasion resistance. Used as paint raw material, the main anti-corrosion effect is chloride ion, so when grinding in summer, when the grinding temperature exceeds 60°C, it is necessary to consider cooling or separately configure the solution to add to the finished tank, because at 56°C, chloride ion precipitates, The anti-corrosion performance of paint is reduced, and heavy anti-corrosion paint is applied.

    HCPE-A Features:

    HCPE-A has a high molecular weight and high viscosity, resulting in extremely strong adhesive properties. It dissolves stably in organic solvents such as toluene and xylene, forming colorless or pale yellow transparent solutions. Its key characteristics are its low molecular weight and relatively low viscosity, yet its high bonding strength. It can be used in adhesives produced for a variety of PVC pipes, fittings, sheets, and other materials. It is typically packaged in 20kg bags.

    Products Specification
    Item HCPE-A HCPE-L HCPE-M HCPE-H
    Appearance White powder White Powder White Powder White Powder
    Chlorine Content ≥65 65 65 65
    Viscosity(S),(20%Xylene Solution,25℃) ≥80 12-20 20-30 30-300
    Thermal Decomposition Temperature(℃)≥ ≥100 100 100 100
    Volatility ≤0.5 0.5 0.5 0.5
    Ash Content ≤0.4 0.4 0.4 0.4
    Application Fields

    Used instead of chlorinated rubber to make adhesives. It can also be used as a modifier for adhesives, high-grade inks and other products, which can improve adhesion, corrosion resistance, flame retardancy, and wear-resistant parts. Store in a cool, ventilated and dry warehouse, away from moisture.

    HCPE-A

    A resin designed for high-performance adhesives, particularly excelling in bonding PVC materials. It can bond various pipes, fittings, and sheets made of polyvinyl chloride (PVC) or chlorinated polyethylene (CPE), as well as metals. It can also be used in the fiber industry. If your work requires strong bonding, HCPE-A is an excellent choice.

    HCPE-H (High Viscosity)

    Mainly used for anti-corrosion coatings and fire-resistant coatings as a substitute resin for chlorosulfonated polyethylene.

    HCPE-M (Medium Viscosity)

    Can be used as a special resin for steel anti-corrosion coatings and surface coatings for buried pipelines.

    HCPE-L (Low Viscosity)

    Due to its low viscosity, it is compatible with acrylic resin and alkyd resin. It serves as a special resin for anti-corrosion coatings, container coatings, road marking paints, and surface coatings for buried pipelines.

    Due to the regular molecular structure, saturation, low polarity and good chemical stability of chlorinated rubber, various anti-corrosion coatings prepared with it have the characteristics of fast drying of coating film, good adhesion, resistance to chemical media and excellent resistance to moisture penetration.

    Highly chlorinated polyethylene HCPE has excellent atmospheric aging resistance and chemical medium resistance, is easily soluble in aromatic hydrocarbons, esters, ketones and other organic solvents, and has good compatibility with most inorganic and organic pigments used in coatings. Generally, it is suitable for dissolving into 40% solid content resin solution for painting.

    Frequently Asked Questions (FAQ)
    Q: What is HCPE used for as a replacement?

    HCPE is primarily used to replace chlorinated rubber in adhesive production and can also serve as a substitute resin for chlorosulfonated polyethylene in anti-corrosion and fire-resistant coatings.

    Q: What temperature precautions should be taken when grinding HCPE during paint production?

    When grinding in summer, if the temperature exceeds 60°C, you must cool the system or separately configure the solution to add to the finished tank. This is because chloride ions precipitate at 56°C, which reduces the paint's anti-corrosion performance.

    Q: What are the specific applications of HCPE-L?

    HCPE-L (low viscosity) is compatible with acrylic and alkyd resins. It is specifically used for anti-corrosion coatings, container coatings, road marking paints, and surface coatings for buried pipelines.

    Q: How should HCPE products be stored?

    HCPE products should be stored in a cool, ventilated, and dry warehouse, and kept strictly away from moisture to maintain their chemical properties.

    Q: Which organic solvents can dissolve HCPE?

    HCPE is stably soluble in organic solvents such as toluene, xylene, aromatic hydrocarbons, esters, and ketones. It is generally suitable for dissolving into a 40% solid content resin solution for painting.