|
HS Code |
881615 |
| Product Name | Sinopec Polyvinyl Alcohol 088-20 (PVA 1788) |
| Appearance | White powder or granular |
| Hydrolysis Degree Percent | 87.0-89.0 |
| Viscosity Mpa S | 17-27 (4% solution, 20°C) |
| Ph Value | 5.0-7.0 (4% solution) |
| Volatile Content Percent | ≤5.0 |
| Ash Content Percent | ≤0.7 |
| Transmittance Percent | ≥88.0 (4% solution, 20°C) |
| Surface Tension Mn Per M | 45-48 (25°C, 4% solution) |
| Particle Size Mm | ≤1 |
| Melting Point Celsius | 230-240 |
| Bulk Density G Per Cm3 | 0.3-0.5 |
As an accredited Sinopec Polyvinyl Alcohol 088-20(PVA 1788) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sinopec Polyvinyl Alcohol 088-20 (PVA 1788) is typically packaged in 25kg white plastic-lined paper bags with red and blue labeling. |
| Shipping | Sinopec Polyvinyl Alcohol 088-20 (PVA 1788) is typically shipped in 25 kg polyethylene-lined paper bags or jumbo bags. Packaging ensures protection from moisture and contamination. It should be stored and transported in a cool, dry, ventilated area, away from direct sunlight, strong acids, and oxidizing agents to maintain product integrity. |
| Storage | Sinopec Polyvinyl Alcohol 088-20 (PVA 1788) should be stored in a cool, dry, and well-ventilated area, away from moisture, direct sunlight, and sources of heat. Keep the packaging tightly sealed to prevent contamination and absorption of moisture. Avoid contact with strong oxidizing agents. Proper storage ensures product stability and maintains its performance characteristics. |
Competitive Sinopec Polyvinyl Alcohol 088-20(PVA 1788) 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@ascent-chem.com.
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Tel: +8615651039172
Email: sales9@ascent-chem.com
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Producing polyvinyl alcohol is never a routine job. Shifting demands, varying raw material quality, batch-to-batch consistency—every day on the plant floor brings new challenges. At our facilities, we don’t simply package and ship. We’ve been running PVA lines for years, and that hands-on experience shapes every decision from raw vinyl acetate all the way to finished 088-20. It’s not about pushing tons out the door; it’s about ensuring every bag hitting a delivery dock stands up to scrutiny in your processes.
Our Sinopec Polyvinyl Alcohol 088-20, also known in the industry as PVA 1788, reflects years of steady improvements. From agitation speeds during polymerization to precise control over hydrolysis, we’ve tuned every step so the final material delivers consistent saponification, viscosity, and particle quality that we’ve come to expect and our downstream partners rely on. The numbers stamped on the label—degree of polymerization, hydrolysis percentage—don’t tell the full story of the work behind them.
Not all polyvinyl alcohols answer the same production needs. Many plants need a resin that dissolves uniformly in cold water one day and manages high-strength film casting the next. Our PVA 1788 offers tight viscosity specification—an important point most outside the plant floor overlook. At 088-20’s viscosity range, it balances film-forming with good solubility. That means less clumping and more predictable dispersions, something you only realize after running dozens of blends through your kettles.
There’s another point we stress often with customers: not all PVA is created with consistent raw material supply, especially with global supply chain upsets. Because we manage the entire chain internally, from vinyl acetate monomers to finished granules, our 088-20 avoids the unwanted surprises that can throw off process lines mid-batch. The value here is in those smooth transitions between batches and seasons without the headaches of reformulating or endless QC tweaking.
In the adhesives sector, formulators often battle with materials that either gel too early or resist blending, usually when the PVA’s viscosity drifts between lots. Our 1788 has earned a role in many well-regarded woodworking and paper-converting adhesives, thanks to its dependable hydration and shear stability. End users see adhesives that spread cleaner, cure consistently, and reduce downtime caused by filter clogging or unpredictable thickening. We’ve worked with both small batch mixers and industrial volume lines and notice that our batch-to-batch control keeps their processes smoother—even when the formula needs minor tweaks for seasonal changes.
For textile applications, sizing agents need a delicate touch: too much gelation, and you lose yarn flexibility; too little and the weave falls apart. Our PVA 088-20 keeps viscosity in the mid-range, so processors don’t lose valuable product to unusable gels or limp, underperforming sheeting. Many of our textile partners mention the importance of a stable hydrolysis degree, which translates into consistent rinseability and minimized fabric waste. That reliability doesn’t just improve quality; it helps teams better predict raw material usage for tight margin, high-speed runs.
Film-forming stands as one of PVA’s most demanding uses. Our in-house trials push each lot on everything from tensile testing to optical clarity in packaging and agricultural films. Because our material holds tight particle size during production and avoids secondary contaminations found in recycled feedstocks, our PVA 1788 delivers clear, flexible films that stand up to repeated handling and outdoor exposure. It resists yellowing and surface cracking, a problem that sometimes appears with lesser-controlled production.
We’ve seen the industry shift heavily toward more reliable, high-purity materials. Years ago, a little variance in saponification or molecular weight could get brushed aside, but today’s markets punish inconsistency. Our line crews watch dozens of data points during each run, tracing the temperature curves and pressure holds necessary for tight polymerization windows. The goal is never about chasing numbers on a dataplate; it’s about troubleshooting and anticipating issues before they leave the reactor vessel. Years spent tweaking reflux ratios and solvent stripping methods show up as stable, well-performing PVA in your storage silo.
Quality control doesn’t just happen in the laboratory. While bench-scale tests validate hydrolysis and viscosity, the real test comes from how our 088-20 runs in your mixers and reactors. We foster ongoing feedback loops with our largest users—those who’ve run tens of thousands of metric tons—and feed their plant data into our process improvements. Sometimes an offhand operator’s comment about “how the batch feels” leads to new batch holding times or improved filtration that benefit every downstream user. These continuous improvements, driven by professional pride and technical know-how, set our PVA line apart from commodity resins.
Plenty of producers offer a range of PVA grades, each with target hydrolysis or viscosity. What we’ve learned from supplying diverse sectors—adhesives, textiles, films, construction—is that small tweaks in polymerization make a big difference on the floor. 088-20 stands as a versatile midpoint: offering higher water solubility than heavily saponified grades, but more strength and film resilience than those farther down the viscosity scale.
For teams demanding ultra-high strength or chemical resistance, we make higher-molecular-weight, nearly fully hydrolyzed grades. They create tough, insoluble films but demand higher dissolution temperatures and extra blending steps, upping energy bills and labor time. On the other end, low-viscosity, partially hydrolyzed PVA serves in paper coatings and low-build adhesives, but struggle with water resistance and physical integrity compared to our 1788. Users that have switched find that, for applications like paper lamination or high-tensile glue, 088-20 delivers enough backbone for film durability without becoming a headache at tank scale-ups.
We sometimes encounter customers who have previously relied on imported or off-brand alternatives. Many of them face challenges with batch variation, dust levels leading to silo fires, or dispersibility issues stalling automated feeders. Our focus on process cleanliness, rigorous granule drying, and packaging integrity comes directly from firsthand feedback in these situations. That attention pays back when workers can load hoppers or dissolve bags without dealing with stickiness, dust fly-off, or unexpected residue.
In the paper and packaging sector, efficiency comes down to quick dispersibility and stable pulp addition. Our PVA 1788 dissolves at moderate temperatures, reducing plant utility costs and improving operator safety compared to higher-weight alternatives. Many corrugated box converters run continuous lines, where downtime is measured in thousands of dollars per minute. They depend on consistent viscosity for glue performance and cleanup ease, a demand that our 088-20 meets with each shipment.
Textile manufacturers typically push for high-speed application, rapid drying, and easy removal in the finishing stage. The controlled hydrolysis we deliver in 088-20 keeps slurries running without clumping or excess foam, makes cleaning easier, and ensures the finished linens or technical fabrics release properly. By keeping excess volatility and impurities out—the payoff from disciplined purification steps during synthesis—dyeing and post-treatment plants report less off-shade and fewer rejected rolls across large contracts.
Construction and mortar blends represent a more complex challenge. Mortar mixers often combine PVA with cement and fine fillers, testing every batch’s blendability and water retention. Here, our PVA 088-20 demonstrates strong dispersibility in both dry and wet mixing, avoiding the “fish eyes” and agglomerates that less controlled grades suffer. Site foremen and QC managers have come to favor our resin for improved plasticity and crack resistance in the final set concrete, supported by field reports collected over repeated large-scale pours.
We’ve lived through material shortages, port delays, and regional demand spikes that squeeze the supply chain. Over the years, we’ve doubled down on vertical integration—controlling raw material procurement, on-site refining, polymerization, drying, and packaging—so customers aren’t left hunting for alternatives at the last minute. This resilience means smoother order fulfillment and standardized performance over long production campaigns. Regular clients have attested that consistent product and predictable delivery lets them plan better, minimize waste, and avoid expensive mid-stream reformulations.
Our region faces strict environmental controls. Wastewater treatment, emissions controls, and energy efficiency have been at the forefront of our process development. Years of investment in closed-loop systems and energy recovery allow us to offer 088-20 with a minimized environmental footprint, which increasingly matters for multinational brands and regional compliance. It’s not a marketing point for us—it’s a lived reality, with regular audits and process improvements driven by both regulation and long-term operational cost reduction.
Direct manufacturer experience means we know product claims must match real-world outcomes. Our PVA 088-20 undergoes repeated batch scale-ups, stress dissolution trials, and simulated end use testing. Product managers and technical staff work closely with factory and field teams to gather production line data across sectors. It’s not uncommon for a process tweak in one line—say, a slower cooling curve or adjusted filter size—to end up adopted as a standard throughout the plant after seeing positive results in user feedback and QA analytics.
Regular communication with customers creates a virtuous cycle of improvement. Textile finishing plants might highlight easier washouts or fewer breaks during high-speed weaving. Adhesive compounders note changes in spread rate or curing time as environmental conditions fluctuate. Packaging film operations look for better transparency and edge tear-resistance, giving us guiding points for tuning synthesis conditions or post-treatment steps. Listening to these field insights shortens development loops and strengthens trust between our plant and your operators.
We never send out a batch of 088-20 without a clear chain of traceability. Each lot number links back to detailed batch histories, including polymerization logs, hydrolysis profiles, and full QA documentation. This systematic tracking helps us troubleshoot any rare quality issues swiftly and provides assurance to those running regulated production environments.
Technical guidance is part of every shipment; our staff remain available to address blending, solubilization, or process integration issues. We’ve helped new users scale from pilot to multi-ton operations, troubleshooting unexpected foaming, blending quirks, or compatibility surprises with other modifiers. There is no substitute for hands-on, line-level experience when helping customers integrate a new PVA grade like 088-20, and we treat each discussion as an opportunity to reinforce both product understanding and long-term reliability.
Choosing a polyvinyl alcohol isn’t only about the price per kilogram on a spreadsheet. Teams that switch to our PVA 1788 report more stable production runs, fewer last-minute recipe changes, and less time spent chasing down process anomalies side-tracked by inconsistent raw materials. We understand the quiet value of a product that simply works across changes in temperature, humidity, and process parameters—qualities that only become obvious after hundreds or thousands of shifts without disruption.
In real production, the ultimate test for PVA 088-20 comes not from technical datasheets or marketing graphs, but from the hands of workers blending, casting, or coating with it each day. The reliability we offer derives from direct control and sustained improvement at every stage, from monomer sourcing to the finished bag’s seal. Our aim with every shipment is to deliver performance that lets you focus on innovation and growth, not troubleshooting.
Markets and technologies change, and product requirements evolve beside them. Whether it’s the push for thinner, stronger packaging films or adhesives that cure faster and cleaner, our plant teams stay in close step with these trends. We regularly invest in pilot-scale reactors for testing new catalysts, purification setups geared to tighter end-use specs, and onsite labs for fast turnaround testing. Years of feedback and incremental fine-tuning show up in todays’ 088-20 and guide the next adjustments.
We balance tradition—what’s proven over decades—with openness to new approaches. Our plant managers and senior chemists spend as much time on production floors as with R&D trials, seeing first-hand how changes impact flow, cleaning, and downtime. Those lessons feed directly into the way we produce and support PVA 1788, helping maintain high standards even as application fields and user demands continue to shift.
For those looking for a polyvinyl alcohol that stands behind every bag with real-world performance experience, our Sinopec 088-20 remains a trusted ally in thousands of kitchens, shops, and factory lines. As both direct manufacturer and long-term partner, we continue building on what’s worked, improving on what can be better, and keeping your production running smoothly—batch after batch, year over year.