EZHOU ANJEKA TECHNOLOGY CO.,Ltd

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd Professional Additive supplier Test Record Sheet Test Name Screening of Anti-Flooding Dispersants for Fluorocarbon Systems Temperature/humidity   Customer Ding da Conducted by Mr. Feng Date Sep.5 2025     Objective Formulation                 Fluorocarbon resin 60 Sample           Xylene 11             Butyl ester 11             Bentonite 0.7             Titanium dioxide 15 Sample           Carbon black 1 Sample           Medium Yellow 0.17 Sample           Leveling agent 0.2 7331           Defoamer 0.2 5680A           Dispersant 0.6                             Method After grinding, test for rub-up color difference and evaluate in-can flooding after heat aging. Result At 60°C for 3 days   6174 6062B 6161A Blend of 6040 and 6104S 6164A 6182 6976A Fineness(μm） ＜10 ＜10 ＜10 ＜10 ＜10 ＜10 ＜10 Initial Rub-up Color DifferenceΔE 2.4 1.4 1.33 ＞3 0.85 0.2 0.11 Rub-up Color Difference After Heat AgingΔE         0.57 0.56 0.41 In-can Appearance         Stratified, slight black flooding observed. No delamination; slight white flooding                 Conclusion 6976A demonstrated the best performance against flooding and floating.

Formulation of a Resin-Free Aqueous Conductive Carbon Black Paste Prepared with Anjeka 6272 Dispersant     Black Paste Remark Deionized Water 81.9   Neutralizer 0.1 DMEA Dispersant 8 Anjeka 6272 Pigment 10 Conductive Carbon Black Total 100     After the materials are prepared, add 2 mm glass beads at 1.5 times the mass of the slurry and disperse by shaking for 10 hours.   Viscosity and Fineness After 7-Day Storage at 50 °C The resin-free waterborne conductive carbon black paste prepared with Anjeka 6272 exhibits excellent viscosity reduction and storage stability.     Particle Size（nm） Z-average D90 D100 Initial Particle Size 176 249 357 Particle Size After Heat Storage 195 262 450   Formulation of a Resin-Free Solvent-Based Conductive Carbon Black Paste Using Anjeka 6045 Dispersant     Black paste Remark Solvent 64.8 DMF Dispersant 13.2 Anjeka 6045 Pigment 22 Conductive carbon black Total 100     After the materials are prepared, add 2 mm glass beads at 1.5 times the mass of the slurry and disperse by shaking for 10 hours.     Viscosity and Fineness of the Resin-Free Waterborne Conductive Carbon Black Paste After 7-Day Storage at 50 °C Particle Size（nm） Z-average D90 D100 Initial Particle Size 276 349 557 Particle Size After Heat Storage 295 362 650 The resin-free solvent-based conductive carbon black paste prepared with Anjeka 6045 exhibits excellent viscosity reduction and storage stability.            

Two-component polyurethane (2K PU) coatings are widely used in applications that demand durability and high performance. As environmental regulations evolve and performance expectations rise, formulators are increasingly choosing between waterborne and solvent-based 2K PU systems. Understanding the fundamental differences between these two approaches is essential for making informed formulation decisions.   In practical use, waterborne and solvent-based 2K PU systems respond very differently to temperature, humidity, and application methods. Waterborne systems are more sensitive to environmental conditions but excel in low-VOC and indoor applications. Solvent-based systems provide greater tolerance during application and are often preferred in demanding or less controlled environments.   One of the most visible differences between waterborne and solvent-based 2K PU systems is their VOC profile. Waterborne systems are designed to significantly reduce solvent emissions, supporting regulatory compliance and safer working environments. Solvent-based systems, while still widely used, typically require stricter controls to meet environmental and safety standards.   In addition to formulation complexity, film formation and surface appearance further distinguish waterborne and solvent-based 2K PU systems. Solvent-based coatings typically deliver excellent flow and leveling with minimal adjustment, supporting high-gloss and smooth finishes. Waterborne systems can achieve similar appearance, but require precise control of evaporation, rheology, and surface tension to avoid defects such as foam or uneven leveling.   Both waterborne and solvent-based 2K PU systems offer high-performance polyurethane films, but their differences in formulation complexity, application sensitivity, and curing behavior must be carefully considered. Solvent-based systems provide broader tolerance and more predictable early performance, while waterborne systems excel in VOC compliance and sustainability—albeit with tighter process control requirements.   Choosing the right system—and optimizing the additive package—ensures reliable, defect-free coatings across all stages of production and application. If you’re looking to explore the best 2K PU solution for your specific needs, our technical team can provide guidance and recommendations tailored to your formulation challenges.

Organic thickeners exhibit shear-dependent behavior that significantly influences a coating’s flow, application properties, and overall performance. Their response under low-shear conditions differs fundamentally from their behavior at high shear, and this distinction is critical for formulators seeking predictable viscosity and stable rheology profiles.   At low shear, organic thickeners strengthen the coating’s internal network, increasing viscosity and maintaining stability. Under high shear, the same network momentarily relaxes, resulting in lower viscosity and better flow. This controlled, reversible response is what allows organic thickeners to perform consistently across different processing and application conditions.   For formulators, the key takeaway is that no single viscosity value tells the whole story. Organic thickeners must be evaluated across low-, mid-, and high-shear ranges to ensure the coating behaves correctly at rest, during application, and after film formation. Matching the thickener’s shear response to the coating’s requirements is critical for achieving stable, predictable performance.   In short, recognizing the dual behavior of organic thickeners is key to achieving predictable rheology. When the right thickener is paired with the right shear profile, coatings become easier to formulate, apply, and maintain across real-world conditions.

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd professional additive supplier Test Record Sheet Experiment Name Sample of carbon black to be formulated into a resin-free color paste Temperature/Humidity   Customer   Conducted by Mr.Chen Test Date Oct.14 2025     Objective Formulation           Solvent 40 PMA           Dispersant 15 6062A/6062B/6040           Carbon black 30 External Sample           Make-up solvent is added after grinding           Solvent 15             Method 1.Grind the color paste according to the formulation 2.After the color paste is ground, test its performance properties Result Color Paste Testing Initial 6040 6062A 6062B         Fineness 15 25 ＜10         Viscosity 384 288 1850                         at 60°C for 1 day 6040 6062A 6062B         Fineness 20 25 ＜10         Viscosity 1706 1394 2812                         at 60°C for 3 days 6040 6062A 6062B         Fineness 20 25 ＜10         Viscosity 1154 1634 2812         Conclusion Dispersant 6062B demonstrated the highest grinding efficiency and showed the smallest change in stability. It has been recommended for use.

   EZHOU ANJEKA TECHNOLOGY CO.,Ltd       professional additive manufacturer Test Record Sheet Test Name Comparison of Dispersants for Pigment Red 170 (PR-170) Tempersature/Humidity：   Customer Zhi Tu Submitted By Yuchao Wang Test Date： Sep.20, 2025     Objestive Formulation           Customer's 2K Resin 60             Mixed solvent 27             Dispersant 3   Customer's dispersant 6062A 6062B     PR-170 10                             Method Measure the fineness, viscosity, and color development separately. Result Grind Pigment Red 170 (PR-170) separately   Fineness Viscosity Color development Gloss (20°) on Draw-down Bar Coating Gloss (20°) on Quad Film Applicator Coating Wet Film Thickness Heat Aged for 48 Hours Customer's dispersant ＜10 216 Pass 88-90 85.7 100umm   6062B ＜10 841 Pass 89 84.4 100umm     After 48h at 54°C             Customer's dispersant ＜10 552 Pass         6062B ＜10 504 Pass         Color Development: The test results indicate that 6062B demonstrates the best color development and the highest transparency.

In clear varnishes, there is no place for imperfections to hide. This makes additive selection more important than ever. By choosing highly compatible, low-haze additives, formulators can balance appearance, flow, transparency, and long- term performance with confidence.       Performance-Focused Structure   1. Achieving High Optical Clarity Additives that minimize haze, turbidity, and micro-defects. 2. Delivering a Smooth, High-Gloss Finish Leveling strategies for premium appearance. 3. Ensuring Clean, Defect-Free Application Foam management and surface-control solutions. 4. Enhancing Durability and Scratch Resistance Wax and micro-powder selection for clear systems.     Clear-coat formulation is all about precision. If you understand what each additive contributes—wetting, leveling, defoaming, rheology—you’re already halfway to a flawless finish. And if you need support tailoring an additive package to your system, our team is always here to help.

In modern formulation development, additives are no longer just “performance enhancers.” They play a critical role in balancing three often competing priorities: performance, cost, and stability. Choosing the right additive requires a clear understanding of your system and the trade-offs involved, as each decision can impact multiple aspects of the final product.   Formulators often face three major, interconnected challenges when selecting additives:   Performance vs. Cost Premium additives may deliver excellent wetting, dispersing, defoaming, or leveling, but come at a higher price. Lower-cost alternatives can reduce upfront costs but may compromise performance or cause defects. Performance vs. Stability Some high-performance additives perform well under mild lab conditions but destabilize the formulation under heat, shear, or extreme pH. Ensuring long-term stability while maintaining effectiveness is key. Cost vs. Stability Cheaper additives might save money initially, but they can lead to shorter shelf life, rework, or production delays—ultimately increasing total cost of ownership.   Selecting the right additive isn’t about picking the “strongest” one—it’s about choosing the one that fits your system. Start by understanding your formulation and its challenges. Focus on the performance attributes that matter most. Adjust dosage and the order of addition carefully. Finally, test additives under conditions that match real production to avoid surprises later. Cost should always be weighed against potential losses from instability or defects.   Balancing performance, cost, and stability is a key challenge in modern formulation development. With a thorough understanding of the system, careful additive selection, and realistic testing, formulators can achieve optimal results that meet both technical and commercial goals.   Interested in learning how additive strategies can optimize your formulation development? Contact us or explore our resources to see how careful additive selection can improve performance, reduce costs, and enhance stability in real-world applications.