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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 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
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
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
HPMC And HEMC Performance In Skin Care.jpg

Daily chemical grade HPMC and HEMC are non-ionic cellulose ethers used to control viscosity, stability, texture, and skin feel in modern personal care products. This guide compares their pH-related behavior, formulation strengths, hydration methods, product applications, stability testing practices, and selection criteria for pH-sensitive skin-care systems.

27 September 2026
Construction Application Scene.jpg

This article compares HPMC and HEMC from a practical manufacturing and application perspective, covering chemistry, gel temperature, water retention, construction uses, daily chemical applications, and selection tips. It is written for SEO, E-E-A-T, and buyer conversion, with FAQs, references, and visual suggestions.

03 July 2026
Summer Mortar Gel Temperature Comparison.jpg

In hot 40 °C+ climates, standard HPMC mortars often fail when thermal gelation triggers early water loss. Discover why high‑gel‑temperature HEMC is the smarter choice for summer tile adhesives, skim coats, and ETICS, and how to design stable, climate‑ready mortars.

23 April 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.