|
HS Code |
960472 |
| Appearance | light yellow to amber transparent granules |
| Solubility | soluble in ethanol and other alcohols |
| Acid Value | lower than 10 mg KOH/g |
| Softening Point | 100-140°C |
| Viscosity | 200-500 mPa·s (at 25°C, 50% ethanol solution) |
| Density | 1.01-1.04 g/cm³ |
| Film Forming Ability | excellent |
| Adhesion | good adhesive properties to various substrates |
| Flexibility | high flexibility of formed films |
| Drying Speed | fast drying |
| Light Resistance | good light stability |
| Compatibility | compatible with nitrocellulose and other resins |
As an accredited Alcohol‑Soluble Polyamide Resin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packed in 25 kg net weight, tightly sealed kraft paper bags with plastic lining to protect from moisture and contamination during shipping. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Alcohol-Soluble Polyamide Resin: 12 metric tons packed in 25kg bags, stacked on pallets for export. |
| Shipping | Alcohol‑Soluble Polyamide Resin is typically shipped in sealed, moisture-proof packaging such as drums or bags to prevent contamination and moisture absorption. It should be stored in cool, dry conditions away from direct sunlight and sources of heat or ignition. Proper labeling and handling in accordance with safety regulations are essential during transport. |
| Storage | Alcohol-soluble polyamide resin should be stored in tightly sealed containers, away from direct sunlight, heat, and sources of ignition. Store it in a cool, dry, and well-ventilated area to prevent moisture absorption and degradation. Avoid contact with strong oxidizers and acids. Ensure containers remain properly labeled, and keep away from food and incompatible substances to maintain product stability and safety. |
| Shelf Life | Alcohol‑Soluble Polyamide Resin typically has a shelf life of 12 months when stored in a cool, dry, well-ventilated environment. |
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Purity 99%: Alcohol‑Soluble Polyamide Resin with 99% purity is used in high-quality gravure ink formulations, where it ensures excellent gloss and color strength. Viscosity Grade (200–400 mPa·s): Alcohol‑Soluble Polyamide Resin with a viscosity grade of 200–400 mPa·s is used in flexographic printing inks, where it provides optimal flow and improved print definition. Molecular Weight 10,000–20,000: Alcohol‑Soluble Polyamide Resin with a molecular weight of 10,000–20,000 is used in lamination adhesives, where it enhances bond strength and heat resistance. Melting Point 100–120°C: Alcohol‑Soluble Polyamide Resin with a melting point of 100–120°C is used in hot-melt coatings, where it facilitates faster setting and higher production efficiency. Particle Size <10 μm: Alcohol‑Soluble Polyamide Resin with particle size below 10 μm is used in overprint varnishes, where it enables smooth film formation and improved substrate adhesion. Solubility in Ethanol >95%: Alcohol‑Soluble Polyamide Resin with solubility in ethanol above 95% is used in alcohol-based ink systems, where it ensures homogeneous mixing and stable viscosity. Stability Temperature 180°C: Alcohol‑Soluble Polyamide Resin with a stability temperature of 180°C is used in heat-resistant printing coatings, where it provides consistent performance under elevated temperatures. |
Competitive Alcohol‑Soluble Polyamide Resin prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
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Tel: +8615651039172
Email: sales9@bouling-chem.com
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Inside our plant, the production of alcohol-soluble polyamide resin has grown into a daily practice grounded in technical expertise and material science. The heart of this resin rests in a careful balance of polycondensation technology, consistent raw material selection, and strict quality protocols. Serving a demanding printing inks market and various coatings applications, we see alcohol-soluble polyamide resin as a product that embodies the intersection of chemistry and manufacturing discipline.
Our team works with specific models like AP-5820 and AP-6300, which cater to unique needs. Each batch follows defined molecular weight ranges, acid values, and amine values—not out of routine, but because these factors hold real-world performance consequences for our clients. Alcohol-soluble polyamide resin distinguishes itself by its solubility profile: it truly dissolves in both ethanol and isopropanol, unlike many water-based or oil-based alternatives. Customers can rely on this solubility for process speed and reliability in gravure and flexographic ink systems.
Our customer base works in fast-moving consumer goods packaging. Printers face tight deadlines and exacting print quality needs. Using alcohol-soluble polyamide resin across thousands of tons of flexible packaging every year, these companies demand dependable viscosity, excellent pigment wetting, and consistent adhesion to polyolefin films. We don’t simply produce batches for stock; we interact directly with print technicians and QA inspectors in their facilities. If operators notice excess foam on press or slow drying between runs, the problem often traces back to the resin blend. It’s not enough to meet a specification sheet. Our process and selection of fatty acids, diamines, and process temperatures turn into the precise performance gains that packagers look for in the field.
This resin also stands apart from traditional ketone-soluble or polyurethane resins. Polyamide formulas that dissolve in alcohol offer lower odor in finished packaging, reduce volatile emissions for workers, and keep compliance issues at bay. We track formaldehyde and residual monomer content in every run. Whether the product ends up in snack food films or medical supply wraps, the responsibility comes back to formulation accuracy, documented traceability, and open collaboration with our end users’ technical teams.
No two resin users approach formulation with the same strategy. In our experience, alcohol-soluble polyamide resin reaches its fullest potential when blended with compatible nitrocellulose and pigment dispersions. Finished inks deliver high gloss, strong color strength, and ease of clean-up on modern printing presses. Models like AP-5820 excel in medium-soft formulations, giving strong adhesion without brittleness for BOPP and PET films. AP-6300, developed in response to customer testing feedback, provides higher viscosity for more demanding opacity and rub resistance needs.
We remember problem-solving with a converter running long gravure presses, where fast drying was causing print skips. Their technician noted an improvement after shifting blend ratios towards our alcohol-soluble grade, isolating the difference to the resin’s quick solubility. Such real-world observations continue to refine our production targets and batch testing protocols.
Producing resin goes beyond mixing reactants and packaging. Each production lot relies on skilled oversight. Raw material storage, moisture control, reaction exotherm management, and real-time acid value checks form the backbone of reliable output. Operators monitor both physical appearance and application tests—scraping, adhesion, and compatibility with standard ink solvents. Discrepancies prompt immediate root cause analysis, from resin stickiness to unwanted color shifts.
Our engineers have, over the years, fine-tuned techniques to control molecular weight distribution, reduce haze, and raise resistance to ethanol or esters. Only through direct engagement with both chemistry and machinery can we deliver resin that printers trust for repeatable results, job after job. The difference between a stable run and a rejected batch often comes down to hours spent in pilot testing and scrutiny rather than any adjustment at the application end.
Alcohol-soluble resins carve out a central role where performance pressure and safety converge. Compared with aldehyde and ketone-soluble grades, alcohol-soluble variants produce fewer emissions and maintain compatibility with modern environmental regulations. Where legacy resin systems required longer solvent recovery times, the current generation offers processing safety and less machine downtime.
Differences show up sharply in press trials and long-term storage. Some commodity resins claim alcohol solubility but introduce haze or viscosity instability after weeks in a warehouse. The resins we make have undergone cycle testing at elevated temperatures to confirm clarity, flow behavior, and no precipitation over time. We’ve partnered with packaging lines running 24-hour shifts, where even a few minutes of downtime translate into lost revenue. Alcohol-soluble polyamide delivers predictable performance through these stress scenarios.
Direct conversations with ink technologists and plant operators shape how we approach quality and development. Regular plant troubleshooting, on-site ink formulation sessions, and troubleshooting on end uses like cold seal packaging or heavy-wear bags add layers of insight to our research process. Whenever a converter faces adhesion loss on unique film composites, our technical staff review everything from surface tension on substrates to solvent ratios during printing.
Our engineers remember working side by side with packaging plant staff during process commissions. Questions about solvent blend stability or how a particular model responds to high-speed doctoring end in lab projects and, sometimes, new formulations. This kind of hands-on partnership steers improvements in how alcohol-soluble polyamide resins handle various pigment loads, resist yellowing, or contribute to print gloss across broad temperature and humidity conditions.
Regulation of VOC emissions, food contact safety, and worker exposure drive both our internal benchmarks and those of our customers. Alcohol-soluble polyamide resin, by design, supports lower VOC profiles where permitted solvents replace more polluting choices. We monitor global changes in packaging safety rules, staying ahead of required purity thresholds and migrating away from any chemicals under scrutiny by authorities.
Sourcing practices matter. Our supply chain draws from verifiable producers, and we screen all incoming acids and polyamines for contamination or deviations. Alcohol-soluble resin that passes our tests holds up in audits and meets expectations for traceability. The drive towards sustainable chemistry, renewable sources, and safer solvent alternatives produces a feedback loop between our process engineers and buyers who seek compliance and better environmental outcomes.
As chemical manufacturers, we do not view polyamide resin as an anonymous commodity. Feedback from production lines, press crews, and QC analysts return again and again to practical concerns: Does the resin mix smoothly? Does it stay clear after weeks on the shelf? Will color and adhesion persist after thermal laminations or extended shipping? Our teams have taken part in joint trials where control grades were swapped out in-line for our alcohol-soluble offering, validating performance in real conditions.
Our commitment extends to maintaining batch consistency, answering late-night troubleshooting calls, and providing fresh samples for test runs, not just initial qualification batches. Only through honest, unfiltered feedback do our products evolve beyond the lab.
One of the lessons we’ve learned involves listening more than selling. The shift in packaging design, substrate engineering, and regulatory compliance means that off-the-shelf solutions rarely deliver the best value. Our development chemists work with converters and ink houses to tailor polyamide structure and solubility profiles based on film types and local process variables.
Over the past decade, we have co-developed new models with extended pigment-carrying capacity, improved heat resistance for retort pouches, and quicker dissolution for higher-speed mixing. In one case, a regional snack producer’s wrapper line required faster turnarounds. Through several cycles of lab adjustment and on-site prototyping, an optimized alcohol-soluble resin arose that delivered sharper color, quicker press wash-up, and reduced waste due to incomplete drying.
Our resin lines are backed by strict QC protocols drawn from years of experience. Quality targets center around clear metrics: color (Gardner), viscosity (at specified cP and temperature), acid value, amine value, and solvent solubility under practical production conditions. Rather than pass/fail benchmarks, we see testing as a way to document and improve. Interpretations of each value link back to print adhesion, pigment distribution, or final product shelf life.
In practice, we maintain both in-line process checks and post-batch validation. Staff are trained not simply to log deviations but to investigate root causes—whether it’s a raw material inconsistency or a reaction condition that affects the branching of polymer chains. If off-spec batches arise, we trace the issue, rework, or pull product before shipment. Relationships on the ground, between QC staff and press technicians, close the loop between what we target in the lab and what gets used on packaging lines.
Alcohol-soluble polyamide resin holds an indispensable role in today’s packaging supply chain. Flexible packaging standards—driven by graphics, package strength, and food safety—create unrelenting performance benchmarks for ink and overprint varnish manufacturers. Polyamide’s alcohol solubility enables thinner films, sharper graphics, and faster line speeds, all while upholding regulatory controls. Switchovers between jobs, quick cleaning cycles, and less downtime are real-world production wins stemming from our formulation and process choices.
From resins designed for oil-based gravure to current alcohol-based grades, the development path reflects changing market needs. By engaging directly with printers and packagers, we keep production lines running, whether on clear BOPP, LDPE, or multi-layer laminates. Our approach remains grounded in continuous data collection, regular application feedback, and anticipating changes in film chemistry or regional solvent supply.
Market requirements keep rising. Faster packaging lines, higher print resolution, and lower emissions are only the start. Alcohol-soluble polyamide resin supports these demands by reducing machine stoppages and helping meet ever-stricter odor and migration requirements. Our customers depend on us not just for product delivery but for real answers on troubleshooting performance in the field.
The chemicals world rarely rewards complacency. Daily work across raw material management, batch consistency, and customer support sharpens our understanding of how resin impacts both process efficiency and end-use function. Every advancement in solubility or performance results from persistent dialogue between our staff and the technicians who run presses at all hours. Each shipping drum reflects many hours of research, testing, and partnership.
Our research group continues to watch developments in barrier film architecture, compostable plastics, and green chemistry. Alcohol-soluble polyamide resin will shift along with evolving regulations, supply chain requirements, and end-user priorities. Already, expanded product lines demonstrate that tailored solubility, faster drying, or migration control can open doors to new market opportunities.
Every innovation we introduce draws from real feedback: conversations with factory supervisors, results from months-long shelf life studies, and observations from cleaning teams tracking press downtime. The new generation of alcohol-soluble polyamide resin addresses today’s realities and holds flexibility for what comes next, whether that’s a new solvent introduction or a push for fully compostable packaging components.
Alcohol-soluble polyamide resin represents a commitment to real-world performance, sustainable operations, and transparent partnership. As a manufacturer, we view each product not as an isolated chemical, but as a key contributor to peak print quality, regulatory peace of mind, and uninterrupted production. We rely on our own experience and market-wide feedback to steer both the science and the service that keep this resin at the center of flexible packaging and ink technology. The path forward lies in constant improvement, meticulous attention to process, and an open channel between those who make chemicals and those who depend on them every day.
