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    AI Overview
    Viscosity-stable Hydroxyethyl Cellulose (HEC) is a nonionic, water-soluble powder used as a high-efficiency thickener, binder, and stabilizer. It provides excellent rheology control, producing clear, pseudo-plastic solutions that remain stable over a wide pH range (typically 2-12). HEC is ideal for water-based paints, coatings, adhesives, and personal care products. 
    Key Characteristics & Performance 
    • Stable Viscosity: HEC maintains consistent viscosity in formulations, even when subjected to wide pH variations (stable between pH 2 and 12, with ideal performance at 6–9).
    • Water Solubility: It dissolves readily in both hot and cold water, forming clear solutions without requiring specialized solvents.
    • Nonionic Nature: Being nonionic allows compatibility with a broad range of other additives, including surfactants, emulsifiers, and pigments.
    • Biological Resistance: Many modern HEC grades offer enhanced resistance to enzymatic and biological degradation, ensuring long-term storage stability. 
    Common Applications 
    • Paints & Coatings: Used for thickening, water retention, and improving flow/leveling, resulting in smoother finishes.
    • Daily Care & Cosmetics: Acts as a thickener and stabilizer in shampoos, detergents, and lotions.
    • Construction: Enhances water retention and workability in adhesives and mortar. 
    Usage Guidelines 
    • Dissolution: HEC powder should be added to water under stirring to avoid lump formation. Dissolution can take anywhere from 30 minutes to 4 hours.
    • Temperature & pH: While stable, extreme acidity (pH < 3) combined with high temperatures can cause viscosity drops due to hydrolysis. 
    Improved Solubility Type (High-Quality Grades): Certain HEC grades offer improved dispersibility and faster, more uniform dissolution, specifically for specialized industrial applications. 
    • HEC | Hydroxyethylcellulose | Functional Materials (Relating to Funcitonal Chemicals) | Product Information
      Hydroxyethylcellulose (HEC) is a water-soluble polymer that is chemically and physically stable over a wide pH range. HEC is avail...
      住友精化株式会社
    • HEC, Hydroxyethyl Cellulose Powder, HEC In Home Care
      Hydroxyethyl Cellulose Powder Properties. Solubility: HEC powder dissolves readily in cold or hot water, forming clear, viscous so...
      Shijiazhuang Henggu Jianxin Cellulose Co., Ltd.
    • How to use HEC thickener? - KIMA CHEMICAL CO.,LTD.
      Aug 12, 2024 — HEC thickener is mainly used in water-based systems, with good thickening, suspension and adhesion, and can also improve the stabi...
      www.kimacellulose.com
    Show all
    • HEC | Hydroxyethylcellulose | Functional Materials (Relating to Funcitonal Chemicals) | Product Information
      Hydroxyethylcellulose (HEC) is a water-soluble polymer that is chemically and physically stable over a wide pH range. HEC is avail...
      住友精化株式会社
    • HEC, Hydroxyethyl Cellulose Powder, HEC In Home Care
      Hydroxyethyl Cellulose Powder Properties. Solubility: HEC powder dissolves readily in cold or hot water, forming clear, viscous so...
      Shijiazhuang Henggu Jianxin Cellulose Co., Ltd.
    • How to use HEC thickener? - KIMA CHEMICAL CO.,LTD.
      Aug 12, 2024 — HEC thickener is mainly used in water-based systems, with good thickening, suspension and adhesion, and can also improve the stabi...
      www.kimacellulose.com
    • Hydroxy Ethyl Cellulose - Hydrocel
      Solutions of Hydrocel-HEC undergo little viscosity change over the pH range of 2 to 12. However, solutions possess the greatest vi...
      hydrocel.net
    • HEC effect on viscosity and stability of daily chemical products
      Jun 12, 2024 — At lower concentrations, HEC primarily increases the viscosity of the water phase without impacting the flow properties significan...
      www.ihpmc.com
    • Hydroxyethyl Cellulose (HEC) - Leading Supplier of High-Quality ...
      Excellent Thickening Efficiency * Features / 02. water retention. Mikazone® Hydroxyethyl Cellulose(HEC) is conducive to maintainin...
      mikachemical.com
    • HYDROXYETHYLCELLULOSE (HEC) - Bespoke Formula
      Nov 1, 2022 — USAGE GUIDELINES. Hydroxyethylcellulose is soluble in both cold and hot water, but under normal circumstances does not dissolve in...
      Bespoke Formula
    • Hydroxyethyl Cellulose, HEC, Thickening Agent, India
      Pharmaceutical Syrup with HEC Low & Intermediate viscosity grades of HEC are completely soluble in glycerol & good solubility in h...
      www.labhingredients.com
    • Intro to HEC: Using it as a Thickener in Cleaning Formulas
      May 19, 2025 — some grades are available or otherwise depends upon the viscosity thickness low viscosity medium viscosity high viscosity based on...
      5m
      YouTube·Chemistry Crafters With Banu.
    • Key Applications of Hydroxyethyl Cellulose HEC – Unlocking ...
      Jan 8, 2025 — hello everyone welcome to Landrew Laboratory. today we'll explore the versatile world of hydroxy acio cellus HC and exploring its ...
      1m
      YouTube·Landu Laboratory
    • Standard Procedure for HEC Biostability Testing
      Sep 26, 2025 — water 20° C using a precision electronic balance accuracy plus or minus 0.1 g add the cellulace to the cold water to prepare a 500...
      1m
      YouTube·Landu Laboratory
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    HEC | Hydroxyethylcellulose | Functional Materials ...


    住友精化株式会社
    https://www.sumitomoseika.co.jp › product
    住友精化株式会社
    https://www.sumitomoseika.co.jp › product
    Feature. HEC dissolves readily in both cold water and hot water. Aqueous solutions of HEC are stable and do not gel at either high or low temperatures.Read more

    HEC, Hydroxyethyl Cellulose Powder, HEC In Home Care


    Shijiazhuang Henggu Jianxin Cellulose Co., Ltd.
    https://www.hpmc.com › hec › hec
    Shijiazhuang Henggu Jianxin Cellulose Co., Ltd.
    https://www.hpmc.com › hec › hec
    Solubility: HEC powder dissolves readily in cold or hot water, forming clear, viscous solutions. Thickening: Hydroxyethyl Cellulose powder is Effective at low ...Read more

    Hydroxy Ethyl Cellulose - Hydrocel


    hydrocel.net
    https://hydrocel.net › hec
    hydrocel.net
    https://hydrocel.net › hec
    Hydrocel-HEC dissolves quickly in cold or hot water to form clear, smooth, uniform solutions. Solutions of Hydrocel-HEC do not gel or precipitate, even when ...Read more

    Viscosity Stable Water Soluble Powder HEC - Topinchem.com


    topinchem.com
    https://www.topinchem.com › viscosity-stable-water-solu...
    topinchem.com
    https://www.topinchem.com › viscosity-stable-water-solu...
    Hydroxyethylcellulose (HEC) is a white or light yellow, odorless, non-toxic fibrous or powdered solid that is soluble in both cold water and hot water, but ...Read more

    All You Need to Know About HEC Powder Uses


    tenessy.com
    https://tenessy.com › Blog › Industry News
    tenessy.com
    https://tenessy.com › Blog › Industry News
    Jan 24, 2025 — HEC has unique properties that enhance viscosity, improve water retention, and provide stability in a variety of formulations. The HEC ...Read more

    HYDROXYETHYLCELLULOSE (HEC)


    Bespoke Formula
    https://bespokeformula.com › blog › ingredients › cos...
    Bespoke Formula
    https://bespokeformula.com › blog › ingredients › cos...
    Nov 1, 2022 — However, the greatest viscosity stability is in the range of pH 6.5-8.0. Below pH 3, some viscosity may drop due to acid hydrolysis. More ...Read more

    How to use HEC thickener? - KIMA CHEMICAL CO.,LTD.


    kimacellulose.com
    https://www.kimacellulose.com › News
    kimacellulose.com
    https://www.kimacellulose.com › News
    HEC thickener is widely used in many fields due to its excellent water solubility, thickening and stability. When using it, the key is to master the dissolution ...Read more

    HEC effect on viscosity and stability of daily chemical products


    ihpmc.com
    https://www.ihpmc.com › news › hec-effect-on-viscosit...
    ihpmc.com
    https://www.ihpmc.com › news › hec-effect-on-viscosit...
    Jun 12, 2024 — At lower concentrations, HEC primarily increases the viscosity of the water phase without impacting the flow properties significantly. At higher ...Read more

    WeKcelo HEC Properties.rtf - TECMOS


    tecmos.com
    https://tecmos.com › uploads › 2023/08 › WeKcel...
    tecmos.com
    https://tecmos.com › uploads › 2023/08 › WeKcel...
    PDF
    WeKcelo HEC with delay solubility is designed to be added to water without lumping, and thus greatly facilitates solution preparation. Within minutes the R- ...Read more
    12 pages

    A Comprehensive Guide to Understanding HEC


    WOTAIchem
    https://wotaichem.com › Blog
    WOTAIchem
    https://wotaichem.com › Blog
    Apr 10, 2023 — HEC is an effective viscosity modifier that can increase or decrease the viscosity of a solution depending on the degree of substitution and ...Read more
    Viscosity Stable Water Soluble Powder HEC from wotaichem.com
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    Shijiazhuang Henggu Jianxin Cellulose Co., Ltd

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