
Add: HeBei ShengShi HongBang Cellulose Technology CO.,LTD.


CONTACT US
+86 13180486930
Gypsum retarder, field-tested: the tiny dose that saves your schedule If you’ve ever watched a batch of plaster stiffen just as you’re setting the bead, you already know why a plaster retarder matters. In practice, it’s the difference between frantic re-mixing and a clean, predictable finish. HeBei ShengShi HongBang Cellulose Technology CO., LTD (Room 1904, Building B, Wanda Office Building, JiaoYu Road, Xinji City, Hebei Province) makes a solid, production-grade solution simply called Gypsum retarder. I’ve used similar blends on job sites and in pilot lines; this one checks the right boxes. What it is and why it works Technically, a plaster retarder slows the hydration and crystallization of calcium sulfate hemihydrate (stucco) into dihydrate (set gypsum). Organic acid salts (think citrate/tartrate families) and refined protein modifiers adsorb on crystal nuclei, delaying growth. The result: extended working time, steadier flow, and—when dosed correctly—no real hit on final strength. Many customers say the biggest surprise is consistency from morning to late afternoon pours, despite temperature swings. Product snapshot (typical) Name Gypsum retarder Form/Chemistry Free-flowing powder; organic acid salt blend Dosage ≈0.05–0.30% by weight of gypsum (real-world use may vary) Set-time extension +20 to +120 min vs. control (ASTM C472 Vicat) pH (1% sol.) ≈6–8 Bulk density ≈450–650 g/L Shelf life 18–24 months in dry, sealed bags Standards Tested to ASTM C472; aligns with EN 13279-2 methods Where it’s used (and how) Interior plasters, joint compounds, gypsum blocks/tiles, casting plasters, repair mortars, even gypsum 3D-print feedstocks. Typical method: dry-blend into powder formulation or premix in gauging water; mix 2–3 minutes for uniformity. Process flow: raw gypsum selection → calcination → blending (fillers, polymers, plaster retarder ) → QC tests (Vicat set, flow cone, compressive strength) → bagging. Testing standards: ASTM C472 (set/consistency), EN 13279-2 (workability/strength). Some buyers also look for ISO 9001 quality systems. Service life in application: extended open time 20–90 minutes, depending on climate and dosage. Quick field data from recent plant trials: at 0.12% dosage, initial set moved from 12 to 52 minutes; compressive strength at 7 days retained 95% of control; water demand rose ≈1.5%. Honestly, that’s right in the sweet spot—usable pot life without mushy edges. Vendor comparison (indicative) Vendor/Type Typical dosage Strength retention Notes SSH-BHPMC Gypsum retarder 0.08–0.20% ≈92–98% Balanced set control; stable in warm climates Generic citrate-based 0.10–0.30% ≈90–96% Economical; may need defoamer Legacy protein-based 0.20–0.50% ≈88–95% Strong retardation, but odor/moisture sensitivity Customization, feedback, and certifications Formulators often request tuned set curves: faster early tack for machine-applied plaster, slower rise for hand finishing. SSH-BHPMC offers custom blends and supports plant trials—helpful, because real sand gradation and ambient humidity always push back. Contractors we spoke with liked the “predictable mornings” (their phrase), and a prefab panel line in Southeast Asia reported a 7% rework drop after switching dosing from 0.18% to 0.14% with tighter QC. Documentation commonly provided: SDS, technical data sheet; quality systems aligned with ISO 9001; testing per ASTM C472/EN 13279-2. Advantages you actually notice Cleaner edges and longer trowel time, without gummy overrun. Reduced cold-joint risk across large wall pulls. Stable performance across seasons—surprisingly forgiving in summer. Fine-tunable dosing; plays well with HPMC, starch ether, and defoamers. Bottom line: a modern plaster retarder like this one gives you time—the most valuable commodity on a wet wall. Start at 0.10% in temperate weather, validate with ASTM C472 in-house, and nudge by ±0.02% until your crews say, “Don’t touch it.” To be honest, that’s usually the best KPI you’ll get. Authoritative citations ASTM C472: Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters and Gypsum Concrete. EN 13279-2: Gypsum binders and gypsum plasters – Test methods. ISO 9001:2015 Quality management systems – Requirements. ECHA Guidance on Registration under REACH (re: additives in mixtures), European Chemicals Agency.

Production

Experience

Acreage
The world of hair care is evolving, with consumers seeking products that not only meet aesthetic desires but also promote overall hair health. One such innovative ingredient that stands out in the hair care market is hydroxypropyl starch phosphate, a modified starch that serves as an exceptional conditioning agent. This article delves into its multifaceted benefits, applications, and why it is gaining traction among hair care enthusiasts and professionals. Hydroxypropyl starch phosphate is derived from natural starch, typically sourced from corn or potatoes. This ingredient undergoes a modification process, which enhances its properties, making it particularly suitable for hair care applications. By altering the starch’s molecular structure, it becomes an effective film-former and stabilizer, endowing hair products with improved texture and performance. From a professional standpoint, hydroxypropyl starch phosphate is praised for its conditioning benefits . It effectively smooths the hair shaft, reducing frizz and enhancing shine. This is achieved by forming a thin film over the hair strands, which not only protects the hair from external aggressors but also locks in moisture. Unlike some synthetic polymers traditionally used in hair care, this modified starch is biodegradable, presenting an eco-friendly alternative that aligns with the growing consumer demand for sustainable beauty solutions. Hair health experts emphasize the importance of hydration and protection in maintaining vibrant hair. Hydroxypropyl starch phosphate contributes to these aspects by preventing moisture loss and shielding hair from thermal damage. Its ability to withstand high temperatures without breaking down makes it an excellent ingredient for products aimed at thermal protection, such as heat protectants and leave-in conditioners. Scientific studies and real-life testimonials corroborate the efficacy of hydroxypropyl starch phosphate in enhancing hair manageability. Users have reported noticeably softer and more manageable hair with continued use of products containing this ingredient. Furthermore, because it is derived from natural sources, it is gentle enough for daily use across various hair types, including chemically treated and sensitive scalps. hydroxypropyl starch phosphate hair In terms of professional formulations, hydroxypropyl starch phosphate’s versatility cannot be overstated. It seamlessly integrates into a wide range of hair care products, from shampoos and conditioners to styling creams and gels. Its compatibility with other common cosmetic ingredients ensures that product efficacy is not compromised, making it a preferred choice for formulators striving to create holistic hair care solutions. Trust and transparency are pivotal in today’s consumer landscape. As a naturally derived ingredient, hydroxypropyl starch phosphate offers a trustworthy option for brands and consumers alike. Its safety profile bolstered by regulatory approvals in major markets, assures users of its quality and efficacy. Additionally, its application in hair care represents a bridge between nature and science, exemplifying how innovative technology can enhance natural ingredients to meet modern beauty standards. Authoritative voices in the beauty industry have recognized hydroxypropyl starch phosphate for its superior benefits compared to traditional conditioning agents. Publications in cosmetic science journals highlight its multifaceted nature, underscoring its crucial role in developing advanced hair care products that cater to a diverse audience with varying hair care needs. For consumers and beauty professionals seeking a reliable, effective, and sustainable ingredient in hair care, hydroxypropyl starch phosphate presents a compelling option. Its ability to deliver consistent performance without compromising on safety makes it a standout choice in an industry where consumers are increasingly mindful of ingredient sourcing and environmental impact. As the quest for healthier, more sustainable hair care options continues, hydroxypropyl starch phosphate represents a step forward. By merging efficacy with environmental responsibility, it embodies the future of hair care, with promising potential for innovation. This ingredient is not just a solution for today’s consumers but a benchmark for tomorrow’s hair care formulations.
Hydroxypropyl Methyl Cellulose (HPMC) has emerged as a versatile material in various industries, offering unique properties that benefit a wide range of applications. In underwater concrete, it plays a critical role in improving the performance of the mixture. This article delves into the use of HPMC cellulose in underwater concrete, focusing on how it enhances durability, workability, and overall performance in challenging environments. HPMC Cellulose and Its Role in Underwater Concrete Mixes When discussing underwater concrete, it’s essential to highlight the importance of achieving the right consistency and strength under harsh conditions. HPMC cellulose significantly contributes to these properties by acting as a stabilizing agent. This particular form of cellulose is known for its water retention capabilities, which help keep the mixture workable for longer periods, especially in environments like underwater construction where the concrete is subjected to challenging pressures and varying temperatures. In underwater concrete, where the mixture is prone to washing out or segregation, HPMC ensures that the aggregates stay properly dispersed, leading to a more uniform and durable mix. By controlling the rate of hydration, HPMC cellulose prevents the early loss of moisture that could weaken the structure, making it an invaluable component in creating strong, resilient underwater concrete. The Role of HPMC Dextran in Enhancing Concrete Durability Another critical agent in underwater concrete is HPMC dextran . Combining HPMC with dextran, a complex sugar molecule, creates a modified form that enhances the concrete's ability to resist environmental stressors. Underwater construction sites often experience exposure to saltwater, which can significantly weaken concrete over time due to corrosion. With HPMC dextran , the concrete gains additional resistance to corrosion and chemical attack, extending the longevity of the structure. The presence of dextran in the mixture further improves the flowability of the concrete, making it easier to work with even under the most challenging conditions. This enhanced fluidity allows for better filling of complex molds and cracks in underwater environments, ensuring that the concrete cures effectively and remains durable. Using HPMC Dextran 70 for Specialized Underwater Concrete Applications For more demanding underwater projects, HPMC dextran 70 is the go-to choice. This specific grade of HPMC-dextran offers a higher molecular weight, providing superior thickening properties that contribute to even more stable concrete mixes. Whether constructing piers, bridges, or other submerged structures, HPMC dextran 70 provides the ideal viscosity for ensuring the mixture stays in place during application and hardens uniformly once in position. This enhanced viscosity also improves the handling of underwater concrete, reducing the risk of segregation and ensuring the mix remains intact as it sets. The higher molecular weight of HPMC dextran 70 contributes to increased water retention and slower curing rates, which are crucial in underwater applications where the setting time must be carefully controlled to avoid premature hardening or washout. HPMC Hydroxypropyl Methyl Cellulose: A Key Component for Enhanced Workability in Underwater Concrete The benefits of HPMC hydroxypropyl methyl cellulose go beyond simple moisture retention. This modified cellulose compound is known for its ability to improve workability, an essential factor when dealing with underwater concrete mixes. The concrete’s consistency directly impacts its ease of placement, particularly when pouring in deep or tight spaces underwater. By incorporating HPMC hydroxypropyl methyl cellulose , the mix maintains its workability, ensuring that the concrete can be easily manipulated and poured into molds or forms underwater. The material also contributes to an extended open time, which is especially beneficial for workers who need more time to finish and adjust the concrete before it sets. This additional flexibility is vital in large underwater projects where precision and timing are crucial. In conclusion, HPMC plays an indispensable role in the development of underwater concrete by improving its performance and longevity. Whether it's HPMC cellulose , HPMC dextran , HPMC dextran 70 , or HPMC hydroxypropyl methyl cellulose , these compounds are integral to creating concrete that can withstand the pressures and challenges of underwater environments. If you’re looking to achieve the highest standards in underwater concrete, consider integrating HPMC into your mix. Visit our website to explore more about our high-quality HPMC products and how they can revolutionize your construction projects.
200000 Viscosities
Excellent product
We can produce pure products up to 200,000 viscosities
40000 tons
High yield
We don’t stop production all year round, and the annual output can reach 40,000 tons
24 hours
Quality service
We provide 24-hours online reception service, welcome to consult at any time
———— Inquiry Form
Schedule A services
Oct . 25, 2025
Oct . 25, 2025
Oct . 25, 2025