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We are China's leading manufacturer of cellulose ethers. Our main products are hydroxypropyl methyl cellulose (HPMC), hydroxyethyl methyl cellulose (HEMC), and hydroxyethyl cellulose (HEC), which are widely used in the construction, personal and home care, food, textile, and more industries. Our products satisfy a wide range of intricate application requirements with their exceptional adhesive qualities, superior stability, and high quality. We offer customized products and solutions to meet the specific needs of our customers. Additionally, we have certifications for the quality management system and CIC.
Cellulose Ether And Latex Film Formation.jpg

Compare HEMC vs HPMC film-forming properties in water-based coatings. Explore how cellulose ether chemistry, water retention, rheology, and dosage influence film quality, then use a practical testing framework to evaluate leveling, adhesion, scrub resistance, and moisture response before selecting a grade.

02 November 2026
Cellulose Ether Ash Content Laboratory Testing.jpg

Compare HPMC vs HEMC ash content and discover what really affects mortar strength. Learn how test methods, water retention, air content, and hydration influence performance, with practical guidance for selecting cellulose ethers for tile adhesives, renders, and other demanding dry-mix applications.

27 October 2026
From Cellulose To Cellulose Ethers.jpg

Why is cellulose called a polymer? Explore its glucose-based structure, β(1→4) bonds, and industrial importance. Learn how cellulose becomes HPMC, HEMC, and HEC, and what molecular structure means for water retention, thickening, solubility, and practical formulation choices in construction and home care.

28 October 2026
Dry Powder And Aqueous Storage Conditions.jpg

Compare HPMC vs HEMC bio-stability in storage. Explore enzyme resistance, microbial spoilage, dry-powder handling, and aqueous formulation testing. Learn how grade chemistry, preservation, packaging, and viscosity-retention data help manufacturers select the right cellulose ether for reliable performance.

27 October 2026
HPMC And HEMC Particle Size Comparison.jpg

Compare HPMC vs HEMC to understand how particle size affects dissolution rate, viscosity development, and lump formation. Explore research findings, mixing procedures, troubleshooting steps, and grade-selection criteria for more consistent construction and daily chemical formulations.

25 October 2026
Controlled HEMC and HPMC Formulation Trials.jpg

Compare HEMC and HPMC shear-thinning behavior through polymer chemistry, flow curves, and practical testing. Learn how to select cellulose ether grades that balance spreading, stability, and recovery in tile adhesives, mortars, wall putties, and household formulations.

24 October 2026
Cellulose Ether Substitution And Enzyme Accessibility.jpg

Compare HPMC vs HEMC enzyme resistance in water-based coatings, construction products, and household cleaners. Learn how substitution chemistry, formulation conditions, and viscosity-retention testing guide cellulose ether selection—and why neither polymer name alone guarantees better storage stability.

18 October 2026
Cellulose and HEC in Water.jpg

Cellulose is a natural polymer, while hydroxyethyl cellulose is a chemically modified derivative. Discover how they differ, why HEC dissolves in water, how it supports construction and personal care formulations, and what buyers should check when selecting grades and evaluating environmental claims.

15 October 2026
HEMC And HPMC Comparison.jpg

Compare HEMC vs HPMC through gelation temperature, water retention, and tile adhesive open time. Learn why grade chemistry and test methods matter, avoid misleading performance assumptions, and use a practical evaluation workflow to select cellulose ethers for demanding dry-mix mortar applications.

11 October 2026
Construction Grade - HPMC
Dongyuan Shengda is a reputable cellulose ether manufacturer that provides high-performance construction-grade HPMC (Hydroxypropyl Methyl Cellulose) for modern building materials. This non-ionic cellulose ether, produced by alkalizing and etherifying cellulose, is commonly used in dry-mix mortar, putty powder, gypsum products, tile adhesives, plastering materials, coatings, and self-leveling compounds. Even at low doses of 0.1-1%, HPMC improves water retention, workability, fluidity, adhesion strength, and surface smoothness. It has excellent thickening, dispersing, emulsifying, and film-forming properties, while also increasing open time and construction efficiency. Dongyuan Shengda's construction HPMC is resistant to hydrolysis and UV exposure, ensuring consistent quality, strong compatibility with additives, and dependable performance in humid environments.
Liquid Detergent Grade - HPMC
Dongyuan Shengda is a professional cellulose ether manufacturer that produces high-quality, daily chemical-grade HPMC (Hydroxypropyl Methyl Cellulose) for detergents and personal care products. HPMC is used as an effective thickener and stabilizer in laundry detergents, dishwashing liquids, hand sanitizers, cleaners, shampoos, and shower gels, ensuring uniform particle suspension and preventing settling. It enhances product appearance and consistency by providing over 90% transparency and a quick dissolution time of 3-5 minutes. This white to slightly yellow powder, made from natural cellulose, has excellent viscosity control, foam stabilization, easy dispersion, and film-forming properties. It is non-toxic, irritant-free, allergen-free, and highly compatible with a variety of everyday chemical additives.

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Our main products include HPMC, HEMC and HEC.