Wecome to HeBei ShengShi HongBang Cellulose Technology CO.,LTD.

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HeBei ShengShi HongBang Cellulose Technology CO.,LTD.
hpmc dextran hydroxypropyl methyl cellulose
hpmc dextran 70 hydroxypropyl methylcellulose
крахмал эфирін өндірушілер

If you work with mortars or tile adhesives long enough, you eventually fall in love with the quiet workhorses. One of them is redispersible emulsion powder —the additive that turns a “just okay” mix into something installers actually compliment. To be honest, I didn’t appreciate RDPs until I saw field pull-off tests on a humid site in Shenzhen; the numbers were boringly high, which is precisely the point. The product in focus here is Redispersible powder VAE from HeBei ShengShi HongBang Cellulose Technology CO., LTD (Room 1904, Building B, Wanda Office Building, JiaoYu Road, Xinji City, Hebei Province). The company plays in that sweet spot of reliable baseline specs with room for customization—useful when you’re juggling different regional standards and substrates. Industry trend check - Demand shifting to low-VOC, low-odor systems (post-pandemic indoor air quality push). - More EIFS/ETICS growth across hot climates; hydrophobic grades are having a moment. - Contractors asking for easier trowelability and extended open time—less rework, fewer callbacks. What the redispersible emulsion powder actually does In cementitious and gypsum systems, VAE RDP improves adhesion, flexibility, water retention, and crack resistance. In fact, a tiny 2–5% dosage can flip an adhesive from “passes the lab” to “survives a monsoon.” Typical specifications (Redispersible powder VAE) Polymer base VAE (vinyl acetate–ethylene) Glass transition Tg ≈ +5 to +15°C (grade dependent) MFFT ≈ 0–5°C Ash content ≈ 10–14% Bulk density 0.45–0.55 g/cm³ D50 particle size ≈ 80–120 μm pH (in dispersion) 5–8 Residue on 300 μm ≤ 0.5% Recommended dosage 2–5% tile adhesive; 3–7% EIFS basecoat (real-world use may vary) Process flow (how it’s made) - Materials: VAE latex, protective colloid (PVOH), anti-caking agent, processing aids. - Method: Emulsion polymerization → blending → spray drying → sieving → packaging (25 kg bags). - QC and testing: Redispersibility (visual), sieve residue, bulk density, adhesion by EN 1348, pull-off ASTM C1583, compressive by ASTM C109/GB/T 17671. Applications and advantages - Tile adhesives (C1/C2, S1 targeting): stronger wet/dry adhesion, longer open time, nicer slip control. - EIFS/ETICS basecoats: crack-bridging, impact resistance; better cohesion under thermal cycles. - Skim coats/levelers: smooth trowel feel—many customers say “less chatter.” - Waterproof mortars/grouts: improved flexibility and water resistance. Service life: designed for 20–30 years in compliant systems, assuming proper detailing and maintenance. Field data (quick case) Coastal tile adhesive, 4% redispersible emulsion powder plus cellulose ether, CEM I 42.5R, CEN sand. EN 1348 tensile adhesion: 1.2 MPa dry; 1.0 MPa after water immersion; 0.8 MPa after heat aging—roughly double the baseline 0.4–0.6 MPa we saw without RDP. Not glamorous, but installers noticed fewer pop-offs after storms. Vendor comparison (indicative) Vendor Tg (°C) Ash % Customization Lead time Certs Notes HeBei ShengShi HongBang ≈ +5 to +15 10–14 Tg, anti-caking, packaging ≈ 10–15 days ISO 9001, REACH-like Balanced specs; sharp pricing EU Brand A 0 to +10 12–16 Wide grade library ≈ 3–5 weeks ISO 9001/14001 Premium pricing, strong tech docs Local Vendor B +10 to +20 15–20 Limited ≈ 7–12 days Basic QC Cost-first; check consistency Customization and compliance - Tailored Tg for climate, hydrophobic modifiers, anti-caking level for humid storage. - Conforms to project specs referencing EN 12004-2 (tile adhesives) and EN 1348. Factory QA under ISO 9001; material safety aligns with common REACH expectations. Always verify your local code, obviously. User notes Many applicators say the mix “butters” better, with fewer dry pockets. I guess the only consistent complaint is that once they switch to a good redispersible emulsion powder , they won’t go back—budget be damned. Citations EN 12004-2: Adhesives for tiles—Requirements, evaluation of conformity, classification. EN 1348: Adhesives for tiles—Determination of tensile adhesion strength. ASTM C1583/C1583M: Tensile strength of concrete surfaces and bond strength by pull-off. ASTM C109/GB/T 17671: Compressive strength of hydraulic cement mortars. JC/T 2190-2013: Redispersible polymer powder for dry-mixed mortar (PRC industry standard).

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    Methyl hydroxyethyl cellulose (MHEC) is a versatile polymer that is widely used across various industries due to its unique properties and applications . Its primary value lies in its ability to modify the rheological properties of solutions, making it an essential component in many products. This article delves into both the technical attributes of MHEC and its practical applications, showcasing its breadth of uses aided by its expert formulation. MHEC is fundamentally designed to enhance product performance by acting as a thickening, water-retaining, and stabilizing agent. One of the standout features of MHEC is its solubility in both cold and hot water, which allows for flexibility in the formulation processes. With advancements in its synthesis, MHEC offers excellent thermal stability, making it indispensable in products exposed to varying temperature conditions. In the construction industry, MHEC plays a critical role, particularly in cement-based products. For tile adhesives, MHEC provides the necessary consistency and adhesion properties that ensure tiles remain affixed to surfaces over time. It enhances workability by improving the open time and reducing sagging, which are crucial for optimal application and end-user satisfaction. Furthermore, MHEC's water retention capability ensures adequate curing, which enhances the strength and longevity of the construction work. Paints and coatings greatly benefit from MHEC due to its ability to improve viscosity and suspension properties. It ensures that pigments and other components are evenly distributed throughout the formulation, preventing settling and ensuring a consistent finish. Additionally, for water-based paints, MHEC acts as a thickener, allowing for smooth application and leveling, critical for achieving high-quality aesthetic results. In the personal care and cosmetics sector, MHEC’s safety profile and non-toxic nature make it an ideal choice for products that require viscosity modification without compromising user safety. It is utilized in creams, lotions, and shampoos to enhance texture and provide a desirable feel upon application, impacting not only the efficacy but also the sensory appeal of beauty products. Consumers trust products that incorporate MHEC due to its ability to create a stable emulsion and maintain product integrity over time. methyl hydroxyethyl cellulose uses For the pharmaceutical industry, MHEC serves as an excipient, providing controlled release properties for tablets and capsules. Its role in regulating viscosity is vital in suspensions and syrups, ensuring the active ingredients are delivered effectively. The precise formulation capabilities of MHEC have been subjected to rigorous testing, validating its benefits in enhancing drug delivery systems. MHEC is also making strides in emerging applications such as bio-composites and sustainable materials. Researchers and experts are continuously exploring its potential in the formation of eco-friendly products, underlining the polymer's adaptability to future demands. From a professional and authoritative perspective, companies leveraging MHEC in their formulations benefit from the empirical research and development that have proven its efficacy across diverse applications. Experts in material science and chemical engineering advocate for its use, recognizing the polymer's ability to provide tailor-made solutions for complex production challenges. Overall, methyl hydroxyethyl cellulose's multifaceted utility, backed by scientific expertise, positions it as a fundamental resource for innovative product development. Its continued research and application reflect its robustness and relevance in industries seeking high-performance and reliable solutions.

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    The Rise and Impact of Man-Made Synthetic Fibers The evolution of textiles has significantly influenced various industries, ranging from fashion to construction. Central to this transformation is the development and widespread use of man-made synthetic fibers. Unlike natural fibers derived from plants and animals, synthetic fibers are crafted through chemical processes, providing distinct advantages that have reshaped our lifestyles and economies. The Rise and Impact of Man-Made Synthetic Fibers One of the significant advantages of synthetic fibers is their ability to be engineered for specific applications. Innovations in fiber technology have led to the development of materials that can wick moisture, resist stains, and provide thermal insulation. For instance, the emergence of moisture-wicking polyester revolutionized athletic wear, as it kept athletes dry and comfortable during physical activities. Similarly, synthetic fibers can be created with added properties such as fire resistance and UV protection, making them suitable for use in various sectors, including construction, automotive, and aerospace. man made synthetic fibers The environmental implications of synthetic fibers, however, are a topic of growing concern. The production of these materials relies heavily on fossil fuels, and their non-biodegradable nature poses significant challenges for waste management and pollution. As synthetic fibers break down, they often contribute to microplastic pollution in oceans and waterways. This burgeoning issue has sparked a dialogue within the textiles industry, prompting manufacturers to seek more sustainable alternatives, such as recycling and bio-based synthetic fibers. Innovations such as recycled polyester, made from post-consumer plastic bottles, are gaining traction as environmentally friendly options that can reduce landfill waste. Moreover, the cultural significance of synthetic fibers cannot be overlooked. The fashion industry, in particular, has embraced these materials for their aesthetic versatility. Designers can create bold textures and vibrant colors that would be difficult or impossible to achieve with natural fibers. The rise of fast fashion has seen synthetic fibers dominate the market, offering affordable, trendy clothing to consumers. However, this trend raises questions about sustainability and ethical practices, as fast fashion is often associated with exploitative labor practices and significant environmental harm. In conclusion, man-made synthetic fibers have undeniably transformed the textile landscape, providing a wealth of benefits in functionality and design. Their adaptability has enabled advancements across various industries, from fashion to engineering. However, as we grapple with the environmental implications of their use, it is essential to navigate a path toward sustainable practices that address the challenges posed by synthetic materials. The future of synthetic fibers lies not only in their continued innovation but also in our commitment to responsible production and consumption to create a more sustainable world.

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