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All Right Reserved
|
HS Code |
665571 |
| Product Name | Polyether Polyol SC46-18 |
| Appearance | Clear to pale yellow liquid |
| Hydroxyl Number Mgkohg | 46 mg KOH/g |
| Molecular Weight Gmol | approx. 2400 g/mol |
| Functionality | 3 |
| Viscosity 25c Mpas | 500-650 mPa·s |
| Water Content Wt Percent | ≤ 0.05% |
| Acid Value Mgkohg | ≤ 0.05 mg KOH/g |
| Ph Value | 5.0-7.0 |
| Density 20c Gcm3 | 1.02 g/cm³ |
| Storage Temperature C | 10-35°C |
| Flash Point C | > 150°C |
As an accredited Polyether Polyol SC46-18 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Polyether Polyol SC46-18 is packaged in 200 kg net weight steel drums, featuring a sealed lid and clear labeling for identification. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Polyether Polyol SC46-18: typically loaded with 80-100 drums, totaling around 16-20 metric tons. |
| Shipping | Polyether Polyol SC46-18 is typically shipped in 200 kg net weight drums or 1,000 kg intermediate bulk containers (IBCs). The product should be stored and transported in a cool, dry environment, away from direct sunlight, heat, or moisture. Containers must be tightly sealed to prevent contamination and maintain product quality. |
| Storage | Polyether Polyol SC46-18 should be stored in tightly sealed containers, away from direct sunlight, heat, and moisture. It should be kept in a cool, dry, and well-ventilated area, preferably at temperatures between 10°C and 30°C. Avoid contamination with water or other chemicals. Proper labeling and compliance with local regulations for chemical storage are essential. |
| Shelf Life | Polyether Polyol SC46-18 has a shelf life of 12 months when stored in original, unopened containers at recommended conditions. |
Competitive Polyether Polyol SC46-18 prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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Every batch of Polyether Polyol SC46-18 on the market today was made right here in our own production lines, under the eyes of teams that know the process inside out. Long years in polyol manufacturing have shown that small changes in temperature control, catalyst ratios, or even the sequence of raw material addition can affect the end quality. Because of this, we commit to hands-on oversight from start to finish. Whether it’s keeping moisture content low to protect reactivity, or precise metering to fine-tune the hydroxyl value, our experience shapes every choice through the run. It is this approach that makes SC46-18 a dependable option in so many polyurethane applications.
In the world of flexible polyurethane foam, lots of polyols seem on paper to do the same job. Over the years, we noticed that certain models held up better across production runs that must adapt to shifting supply and seasonal changes. The SC46-18 has a designed nominal molecular weight and functionality that aid in building soft, open-cell and semi-rigid foams. Our current batch targets a hydroxyl value near 46 mg KOH/g, with a water content below 0.1%. The viscosity sits right at the level where mixing stays smooth, but foam rise times keep steady for both high-pressure and low-pressure devices. Our in-house engineers decided on a balanced structure, using propylene oxide and a core starter blend, to keep processing forgiving — even at varying isocyanate indices or in the presence of recycled polyols.
No formula looks the same from one factory to another, but there are hard truths. One of those is: bad control of hydroxyl value gives foamers headaches — cells close too fast, or shrinkage turns unpredictable. We track and keep our value tightly controlled, because years of customer trials taught us that most complaints about soft foam collapse or odor trace back to marginal polyol quality, not exotic blends. Our SC46-18 polyol doesn’t cut corners on filtration or odor control. From the reactor through the final drum, every step removes byproducts and excess catalyst, so downstream foaming works smoothly.
Upholstery and bedding clients come to us because the properties of our polyol help them reach key foam densities without overspending on surfactants or tin catalyst. In molded car seat and backrest lines, foam density, airflow, and sag factor need to stay in a tight window. We have watched operators cut production downtime simply because they could repeat their recipes across months, with fewer tweaks when changing drums. Large blocks, as used in mattress cores and furniture padding, get the right bulk with less foam shrink and less machine residue, lowering scrap and clean-up costs day in, day out.
SC46-18 finds steady use with masterbatch polyols, too. Standard blending lines benefit from its reliable solubility profile. We have worked with customers who faced color separation or streaking issues in highly filled foams; results improved after they switched from higher viscosity alternatives to our grade. Consistent mixing yielded brighter, more even coloring, which turned into fewer shipping rejects and customer complaints.
Across the market, polyethers carry model numbers or brand labels, but consistency can drift due to the manufacturing route and raw material selection. We make all SC46-18 in our own plant, using propylene oxide of a purity we monitor in real time. Our filtration and decoloration method takes downstream catalyst content lower, which lets foamers push lower emissions targets. While most traders or resellers only trust a final COA, we invite customers often to our site for live runs, because openness about process control makes more sense than paperwork countersigning.
Over the years, some buyers chased the lowest-cost polyol on the list, only to come back to us when downtime, foam odor, or cracked molds cut their margins short. Lab testing can’t always catch the process issues that show up in full-scale, real-world use. We keep full production logs, so if a customer ever hits a snag, we can pinpoint and troubleshoot in days, not weeks. This approach saves time, money, and keeps end users’ trust intact.
For foam plants pushing continuous boards, mattress foam, or custom-molded pieces, downtime is the real enemy. Decades in this industry have shown that switching polyol sources mid-project can cause longer curing times, unpredictable foam color, or even voided warranties when emissions spike above spec. SC46-18’s processing profile brings reliability, so refit and recertification steps are less frequent. Operators spend more time running lines instead of running sample trials.
We saw a clear pattern: customers choosing polyols based on price lists alone ended up losing orders at the first customer complaints over yellowing, odor, or tactile feel. We made SC46-18 to hit not only the technical parameters, but the practical needs — predictable block yields, easy dosing in automated lines, and minimal clean-up between runs. Every production line manager values a raw material that makes the end product better and the daily output less unpredictable.
No plant manager wants nasty surprises halfway through a run. With SC46-18, experience taught us to avoid wide swings in viscosity or hydroxyl value, and to log every small process change. Operators can start a shift with minimal adjustments to recipe or temperature. Supervisors have told us that using our polyol contributed to shorter set-up times during new product rollouts and less retraining for new staff, because the up-to-date manuals matched actual material behavior on the floor.
Regulations around VOCs and foam emissions keep tightening. We work from raw material selection to finishing steps with emissions in mind. Higher purity and efficient stripping lower amine and aldehyde residues from SC46-18. As legislation evolves, this attention to emissions keeps customers ahead of compliance headaches. We achieve lower off-gassing because each process modification is verified alongside customer’s test foams, not by guesswork.
Over the last decade, customer input has driven as many improvements in SC46-18 as any single technical project. Plant feedback on foam yellowing pushed us to improve both filtration steps and decolorizing process. Reports of odor during molding led our R&D to tweak the end-capping catalyst, which had an outsized effect on batch consistency over warmer months.
Many hours at customer plants taught us that it doesn’t matter how pure a polyol starts if the batch residue can’t clean out easily, or if it picks up color from dispatch tanks. So, the SC46-18 process now includes a final stage aimed at faster clean-up and less risk of cross-contamination, saving both labor and water use over the long term.
Supply disruptions rarely get solved from a desk or contract revision. Our direct relationships with propylene oxide suppliers, built up over years, proved crucial during challenging market periods. Instead of losing days waiting for basic stocks to clear customs or trade bottlenecks, we could tap our longstanding partners to fill gaps and stabilize output. This let our customers keep running during shortages that disrupted less vertically integrated blenders.
Full traceability on our polyols starts from raw material unloading and follows every lot into finished packaging. While some buyers focus on the cheapest drum on offer, long-term clients return because they get real technical backup. Over time, this reduces costly recalls, downtime, and warranty claims downstream. Our plant logs every reactor batch, so questions about trace contaminants or off-batch behavior find answers fast, not after a drawn-out lab investigation.
We invite foamers and technical teams on-site, letting them follow our production steps. Experiencing the process changes conversations — people see how batch corrections work in real time and how each improvement sticks to a timeline. This open book policy helps customers trust the consistency behind SC46-18, while allowing them to give us real suggestions that show up in process change logs and future batches.
Many competitors rely on batch testing and paperwork as an afterthought to sale. Our long-term relationships run on the understanding that trust comes from process visibility, not just certificates. When operators and supervisors understand how each drum of SC46-18 will behave, fewer surprises show up on the line, and less scrap ends up in waste bins.
SC46-18 entered the market as a flexible foam polyol for mattresses and automotive seats, but customers soon put it to use making soundproofing panels, office chair padding, shop display fixtures, and even high-performance sports gear parts. Many of these uses call for careful balance of rebound resilience, load-bearing, and long-term shape retention. We regularly consult with customers to tune batch ratios for these nuanced needs.
One packaging line needed a foam that could maintain a soft feel under steady compression, without crumbling during storage or shipment. After watching their initial batches degrade in cold-chain transit, we tested several catalyst and surfactant tweaks until the property profile met their needs. SC46-18 handled the adjustment with less need for extra stabilizers, saving both time and raw material overhead.
Customers working with composite foams, or producing layered structures, value how SC46-18 balances with common crosslinkers and reactive isocyanates, so the blend performs reliably across each interface. Our R&D team, using real plant data, sets up trials and shares full feedback, so the learning informs both sides.
Reliable supply starts well before reactors run. Our operations team double-checks stock and forecasts with customers before major holidays, typhoon seasons, or known supply slowdowns, sharing what works and what needs tweaking. Over time, this proactive planning cut surprise shortages for many foamers. Our downstream logistics staff stays on top of safe storage, keeping drums cool and dry, because even the best polyol sours if it sits in hot, humid yards for days.
Customers have shared cases where foam collapsed not due to polyol recipe, but due to degraded material left in poorly sealed containers. In response, we reviewed and updated our handling manuals, started routine training for warehouse staff, and nudged clients towards proper rotation practices that extend shelf-life and protect the entire value chain.
Today, sustainability means more than recycling a few drums. From batch planning to wastewater recovery, every stage of SC46-18’s manufacture gets looked at for resource conservation. Steam and process water recycling have cut our water draw by measurable amounts compared to earlier years. We partner with local waste facilities to process spent catalysts and neutralize residues, aiming for lower discharges to the environment.
Our technical team keeps up with the latest research on renewable starter technology and recycled feedstock options. While transitions to bio-based raw materials need thorough vetting, we have run pilot batches with partial renewable content to understand shifts in foam behavior. Knowledge from these trials goes straight into improving future material options for our customers, so they meet their own environmental targets while keeping performance steady.
As manufacturers, we believe that polyol quality comes from what happens each day on the plant floor, not just a data sheet. Every shift runs lineup tests, and lab checks cross-verify every finished batch. We log changes and trace any adjustments back to source, so nothing falls through the cracks. Over the years, we have seen that this discipline ties directly to the customer experience: fewer off-batches, more predictable output, and less need for on-site troubleshooting after delivery.
SC46-18 is not a static product. Its specifications, now widely used, reflect what years of customer learning, regulatory shifts, and raw material developments demanded. We expect more from our team than to meet minimum specs — we encourage active watching for issues, listening to feedback from plant floors, and anticipating shifts in foam application needs. Our next generation upgrades aim to push emissions down even lower, while expanding production efficiency through smarter process automation.
Customers expanding into premium foam lines, bedding upgrades, or eco-labeled products can count on our willingness to develop special variants or work through tailored process tweaks. We see SC46-18 not just as a product code but as a partnership in performance, reliability, and steady improvement.
In this industry, hands-on experience matters. Over time, we've built our practice on answering real, detailed questions and solving the stubborn headaches that crop up on lines, not just moving drums. We routinely share our batch runs, mixing advice, and formulation adjustments so clients stay in the know. No matter what the challenge, our focus sticks with helping production lines make the most of SC46-18 in practical, bottom-line ways.
