HEMC: The Versatile Cellulose Ether for Modern Formulations
Methyl Hydroxyethyl Cellulose (MHEC) is a non-ionic cellulose ether renowned for its adaptability and robust performance across a spectrum of uses, notably in construction and personal care. It stands out for its unique properties that enhance product efficacy and simplify processing.
Methyl hydroxyethyl cellulose(HEMC)
Specifications of MHEC
Property
Specification
Appearance
White or light yellow powder
Methoxy Content (%)
18.0 – 24.0
Hydroxyethyl Content (%)
8.0 – 16.0
pH Value
5.0 – 8.5
Moisture Content (%)
≤ 8
Ash Content (%)
≤ 3
Mesh Size
100 mesh (98.5% pass), 80 mesh (100% pass)
Viscosity (2%, 20°C, mPa.s)
400 – 200,000
Viscosity Grades and Applications of MHEC
HEMC is available in various grades, each with specific viscosity ranges and applications:
Grade
Viscosity (mPa.s, 2% solution)
Applications
ACTA10000
9000 – 15000
Render
ACTA20000
15000 – 25000
Tile adhesive, EIFS, plaster, joint filler, grout
ACTA30000
25000 – 40000
Tile adhesive, EIFS, gypsum finishing plaster
ACTA45000
40000 – 55000
Tile adhesive, waterproofing mortar
ACTA50000
50000 – 65000
Tile adhesive, EIFS
ACTA70000
65000 – 75000
Tile adhesive, concrete adhesive
Key Advantages of MHEC
Effortless Blending: HEMC dissolves readily in cold water, speeding up preparation and integration into various mixtures.
Heat Resilience: Maintains crucial stability at temperatures up to 75°C, making it reliable in diverse environments.
Extended Workability: Its excellent water retention prolongs the open time of cement-based products, significantly improving ease of application and reducing common issues like cracking.
Enhanced Flow: HEMC provides lubrication, which refines the processing characteristics of mortars and other compounds.
pH Flexibility: Offers consistent stability within a broad pH range of 3 to 11.
Smart Gelling: Exhibits thermal gelation, forming a gel at high temperatures and reverting to a liquid state upon cooling, offering unique formulation control.
Protective Film: Forms a durable film with effective waterproof and oil-proof qualities.
Broad-Ranging Applications of MHEC
Construction: As a vital thickening and water-retention agent, HEMC boosts the performance of cement-based materials like mortars, tile adhesives, and plasters, leading to better workability and reduced cracking.
Personal Care: It functions as an effective thickener and stabilizer, perfect for enhancing the texture and consistency of lotions, creams, and cosmetic formulations.
Paints & Coatings: Improves the viscosity and adhesion of paints and coatings, ensuring a smoother, more uniform finish.
Adhesives & Sealants: Contributes to superior workability and bonding strength in various adhesive formulations.
Market Leadership & Future Growth
HEMC is increasingly gaining favor in the international construction sector, particularly due to its superior thermal stability when compared to other cellulose ethers like HPMC. This makes it exceptionally valuable for building projects in warmer climates where consistent water retention under heat is critical. As industries continue to seek high-performance materials, HEMC’s versatility and unique attributes position it for substantial market expansion, solidifying its role as a leading choice in a wide array of demanding applications.
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