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HS Code |
725901 |
| Productname | Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) |
| Polymertype | Solution Polymerized Styrene-Butadiene Rubber |
| Appearance | Light-colored or transparent rubber bale |
| Styrenecontent | 23.5-25.5% |
| Mooneyviscosity | 45-55 ML(1+4)100°C |
| Volatilecontent | ≤1.0% |
| Ashcontent | ≤0.3% |
| Tensilestrength | ≥18 MPa |
| Elongationatbreak | ≥500% |
| Glasstransitiontemperature | -50°C to -55°C |
| Density | 0.94 g/cm³ |
| Oilcontent | None (Non-oil extended) |
| Processingtemperature | 130-160°C |
| Colornumber | ≤8 |
| Application | Primarily used in high-performance tire treads |
As an accredited Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | SSBR YH-1901H is packaged in 35 kg polyethylene bags, sealed for protection, then stacked on wooden pallets, shrink-wrapped for stability. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Typically 19–20 metric tons packed in 760 kg pallets, securely palletized and shrink-wrapped for safe transport. |
| Shipping | **Shipping Description:** Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) is typically packed in 35 kg polyethylene bags, secured on wooden pallets for stability. It should be shipped in clean, dry containers, protected from moisture and direct sunlight, ensuring temperatures remain below 35°C to preserve product quality and prevent degradation. |
| Storage | Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and strong oxidizing agents. Keep in original packaging to prevent contamination. Avoid exposure to moisture and extreme temperatures to maintain product quality and stability. Proper labeling and handling in compliance with safety regulations are recommended. |
| Shelf Life | Shelf Life: SSBR YH-1901H has a shelf life of 12 months when stored in cool, dry conditions, away from direct sunlight. |
Applications of Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) in Industrial ManufacturingAs an established producer of SSBR YH-1901H, we support diverse industrial sectors by supplying tailored grades for high-performance downstream manufacturing. Below, we detail key application segments and provide technical information on integration, regulatory standards, compounding levels, process stages, and final product outputs. 1. Passenger Car Radial Tire Tread CompoundingLeading tire manufacturers select our SSBR YH-1901H for advanced tread formulations. Its controlled microstructure improves wet grip and reduces rolling resistance, supporting original equipment and replacement tire requirements. Compounders integrate the polymer with silica and reinforcing fillers to meet dynamic performance targets, especially for Energy Class A and B labeling under EU legislation. Formulation switch points depend on target abrasion, longevity, and fuel efficiency metrics, based on tire design requirements. Industry compliance standards
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2. High-Performance Footwear Sole CompoundsFootwear companies employ SSBR YH-1901H in sports and safety shoe outsoles to balance abrasion resistance, flexibility, and anti-slip properties. The polymer's superior process stability enables manufacturers to integrate color additives and slip enhancers while controlling compound flow in injection or compression molding. Integrators maintain REACH-compliant ingredient lists and test finished soles per end-user safety protocols. Alloying ratios shift with the shoe application class and required indoor/outdoor function. Industry compliance standards
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3. Polymer Modified Asphalt for Road PavingRoad construction specialists utilize SSBR YH-1901H to enhance the elastic recovery, low-temperature flexibility, and rut resistance of hot mix asphalt. The material integrates easily with bitumen in high-shear blending stages, allowing contractors to meet government road performance specifications. Polymer dosage varies by climatic zone, asphalt type, and target road longevity. QA laboratories run repeated load and low-temperature cracking tests on finished asphalt mixes to confirm in-field durability. Industry compliance standards
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4. Wire and Cable Sheathing ElastomersElectrical goods manufacturers specify SSBR YH-1901H for cable sheath formulations that demand high dielectric properties, insulation resistance, and mechanical integrity. Our grades support safe compounding with flame retardants and allow custom adjustment for flexibility or tear strength. Final cable batches pass rigorous electrical and aging tests according to regional utility or telecom standards. Polymer usage proportions adapt for voltage class and insulation thickness requirements in end-use design. Industry compliance standards
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5. Conveyor Belt Compounding for Mining and Material HandlingMining and heavy industry conveyor system suppliers rely on SSBR YH-1901H to deliver consistent wear resistance, cut growth limit, and dynamic flexibility in both carcass and cover layers. This material supports harsh-service inclusion with steel cord or fabric reinforcement, conforming to international safety and fire resistance benchmarks. Specialists vary polymer input depending on cover thickness and continuous throughput demands, maintaining mechanical strength under impact and abrasion. Industry compliance standards
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6. Automotive Vibration and NVH ComponentsAutomotive OEMs and Tier 1 suppliers process SSBR YH-1901H to manufacture bushings, mounts, and interior parts specifically designed for vibration isolation and noise reduction. Careful polymer selection in the formulation phase ensures consistent dynamic modulus values and durability under thermal cycling. Manufacturers compound with fillers and antiozonants, meeting strict automotive interior air quality standards, and test assemblies for performance under mechanical and temperature stress per industry norms. Industry compliance standards
Typical usage ratio
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Competitive Solution Polymerized Styrene Butadiene Rubber (SSBR YH-1901H) prices that fit your budget—flexible terms and customized quotes for every order.
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Email: sales4@ascent-chem.com
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After years of producing traditional emulsion SBR, we noticed big changes within the tire industry—much tighter rolling resistance requirements, customer demand for longer tread life, and calls for better wet traction. We set out to address those shifts by introducing Solution Polymerized Styrene Butadiene Rubber, or SSBR. Our model YH-1901H reflects a steady culmination of years of process optimization and feedback from tire producers who want precise control over compound performance.
Natural rubber remains indispensable in many tire and mechanical applications, yet consistent and improved performance often proves elusive due to environmental factors and inherent variability. SSBR YH-1901H aims to step in when specifications demand more predictability in final product performance than the natural route allows. Our experience tells us that the minute adjustments possible with solution polymerized processes open new doors, from compounding flexibility to meeting environmental standards without breaking production rhythm.
Years in the pilot plant showed one clear thing: traditional emulsion SBR reaches its limits when finer dispersion and more even distribution of comonomers come into play. SSBR technology paved the way for tighter molecular weight distribution. That translates to direct improvements in processability and, ultimately, performance in finished products.
YH-1901H features a composition tuned for high-performance tire treads, balancing styrene and butadiene units through a proprietary catalyst system. Rather than relying on batch-to-batch luck, every run gets closely monitored for polydispersity and microstructure. That consistency pays out for downstream processes, especially automatic dosing, extrusion, and injection, where the smaller variations can wreck output and cause expensive downtime.
Every tire engineer who’s walked our floor comes in with the same core demands—lower rolling resistance, improved wet grip, and aging resistance, all without adding muscle to material costs. SSBR YH-1901H has been built for these conversations.
The microstructure we can achieve through solution polymerization means a richer block structure, which translates into lower heat build-up and enhanced abrasion resistance. Fine control lets us keep vinyl content at an optimal range to encourage balance between energy dissipation and load-bearing. Tire compounders quickly see this reflected in rolling resistance numbers, and there's no hand-wringing over trade-offs in wet grip. By choosing the right oil extension method and the right catalyst (which we calibrate and audit every batch), we enable highly reproducible compound behavior. Some of our partners working on OE tire projects report shelf lives and physical properties that rarely stray from the chart, even after several years.
Anyone who’s made the switch from emulsion SBR to our SSBR line notices immediate changes in mixture stability and extrusion speed. In the compounding hall, YH-1901H's predictable viscosity often shortens mixing cycles and reduces energy draw. Our data over multiple runs proves it: SSBR batches come off with fewer scorch issues during downstream shaping, especially in hot, high-humidity conditions common during summer production. We designed YH-1901H with a molecular weight distribution tighter than most general-purpose emulsion SBR grades, and it’s this control that helps guard against unpredictable rheological changes.
Comparing with natural rubber, our lab sees a drastic reduction in batch-to-batch property swings—important when tire manufacturers target demanding global compliance regimes for performance and consistency. With natural rubber, we often hear about variable Mooney viscosity and the need for extra stabilizers. YH-1901H sidesteps these challenges, letting plants run steadier and scale up without ramping up quality checks at every interval.
We’ve watched operators at customer plants cut down on troubleshooting by switching to YH-1901H. In blown film, extrusion, and multi-stage mixing processes, YH-1901H’s tighter control over molecular architecture means extrudate swelling and die buildup get less frequent. You can run thinner sections without excessive neck-in. For small profile extrusions, you get a sharper, more consistent edge. Rubber processors running older mills are often surprised to see less sheet tearing and fewer stalls mid-batch. These small practical wins accumulate into sizeable savings through less rework and downtime.
YH-1901H is oil-extended, using oils selected not only for cost efficiency but also for compatibility with the polymer matrix and minimal impact on weathering resistance. We worked through iterative bench trials with partner blenders to ensure the extension oil doesn’t leach or affect final cured rubber properties. Some greener tires need extra filler loading, so our technical group spent several production cycles examining dispersion rates. The answer almost always points back to our deliberate approach to mixing parameters and on-site rheometer tests—not just in theory, but on the lines, supporting actual process techs.
Lab pull tests, tire drum testing, and customer field evaluations feed into every batch cycle of YH-1901H. In high-traction tire treads, comparative wet skid resistance charts consistently show YH-1901H-based compounds outperforming equivalent emulsion SBR. The improvement averages between 10% and 15%, depending on the tread architecture and application—something tire manufacturers track closely to meet ever-changing global tire labeling legislation.
A significant feature comes with rolling resistance. Automotive suppliers switching to YH-1901H notice lower tan delta at 60°C, a critical metric for labeling compliance in European and Asian markets. With raw material costs and energy savings increasingly under a spotlight, this improvement directly benefits manufacturers wrestling with cost structures. By blending YH-1901H with a fraction of natural rubber or high-cis butadiene rubber, we’ve helped our partners extend tire lifespans without losing green label appeal.
Much of our development invested in closely monitoring and controlling 1,2-vinyl content and styrene ratio in the polymer backbone. It sounds technical, but in our daily production runs, this translates directly to better dynamic properties in the finished rubber. High 1,2-vinyl content drives up glass transition temperature, crucial for compounders aiming for top-tier wet traction. On the other hand, keeping too much results in poor abrasion resistance—so our plant maintains a careful balance, never letting a batch stray more than a few percentage points from the target.
Our team runs frequent FTIR and GPC tests through every production week, not just occasionally, to keep the quality window narrow. This detail-oriented approach consistently pays off: final compounds cure uniformly (without “hot” or “cold” spots), and finished goods see fewer warranty claims linked to material inconsistency. We notice it particularly in all-season tire projects, where durability and safety features can’t slip.
Beyond just tires, we’ve shipped YH-1901H into vibration-damping parts, conveyor belts, sealing strips, and a range of automotive molded goods. Because of its well-defined molecular structure, YH-1901H handles high filler loadings without slumping or excess shrinkage after molding, a problem that often crops up with more variable rubbers. Manufacturers of technical rubber goods mention improved throughput with fewer deformations, especially in gasket and O-ring extrusion.
Our technical team pays close attention to customer feedback, especially when YH-1901H goes into thick-section parts or blends with other elastomers. In these cases, crosslinking agent demand can shift, often requiring fine adjustment in the formulation. Because this rubber maintains predictable cure behavior, it supports faster optimization cycles, letting customers reach desired mechanical performance with less waiting around for a new test run.
Typical emulsion SBR follows a more random polymer growth pattern, which means more molecular weight variation and less ability to tailor final properties. In contrast, the solution method allows us to set precise molecular architectures—something that pays off in automotive and high-durability industrial applications. These include all-weather tires, outdoor sealing devices, and rubber parts exposed to ongoing dynamic stress. We’ve run parallel tests with both SBR types in anti-vibration pads and watched the SSBR parts hold shape and resilience longer.
Another issue with emulsion SBR comes from the types of emulsifiers and coagulants left behind, which sometimes lead to discoloration or variation in electrical properties. With YH-1901H’s cleaner process, engineers find end-use parts last longer under UV and ozone stress. This becomes even more vital for electric vehicle components, where extra electrical insulation and stable performance in changing outdoor conditions isn’t optional.
We’ve invested in online viscometers, FTIR, and real-time temperature correction to make sure every SSBR YH-1901H batch falls within a narrow quality window. This is more than just quality assurance—tight process control keeps surprises out of shipping and lets our customers reduce the number of incoming material checks. Tire makers and part manufacturers know exactly what to expect from each delivery, which becomes a major win in today’s lean manufacturing environments.
Throughout production, our operators have authority to halt a batch if viscosity, color, or raw material tracking veers out of spec. This operational flexibility reduces risk downstream, keeping failed batches out of customer hands. We continuously update our process in response to feedback on workability and curing, even setting aside capacity for test lots when a customer wants to experiment with new filler systems or alternate curing packages.
Our engineers and chemists closely follow updates to global chemical regulatory standards, from REACH to GHS, and every oil we extend into YH-1901H faces strict screening. The same goes for catalyst residues and process aids. Safety data packs go out with every batch and are regularly updated as global requirements evolve. Our plant scrubs and recycles solvent streams, with over 90% closed-loop capture, and we’ve spent the last decade minimizing fugitive emissions from the solution polymerization floor.
As customers, especially in Europe and North America, press for non-toxic, low-migration materials, our technical staff works with external auditors to ensure compliance beyond base requirements. Internal audits catch any slippage, and every process tech gets regular, hands-on hazard training. Safe, compliant supply rests on real, repeated practice—not just paperwork.
Switching from emulsion SBR or natural rubber to solution-based grades often brings up new learning curves. We offer direct support, lending formulation chemists and engineers with hands-on experience in compounding, mill blending, and extrusion with our YH-1901H. In most cases, customers find they can reduce accelerator or curing agent usage by adjusting cleaner, more predictable SSBR reactivity.
For high-performance tread blends, we walk tire engineers through dosing changes and cure modifications to match internal targets. In gaskets, seals, and conveyor belts, minor tweaks to the filler schedule solve many early-stage processing hiccups. Because of the high repeatability of YH-1901H, technical issues tend to get sorted in fewer trials, saving not just material but valuable machine time.
Not every compounding line takes to SSBR without a few stumbles—especially if older process equipment was set up for higher-variation rubbers. Plasticizers, curing packages, and filler selection sometimes need reevaluation. We don’t rely on theory alone; in one recent case, an automotive extruder found their usual stearic acid loading too high, creating plate-out during long runs. We worked alongside their team, adjusting filler ratios, and ran test coils until they saw clean, defect-free profiles.
In climates with abrupt temperature swings, plant managers note that YH-1901H runs more reliably, but it still helps to dial in mixing speeds and cooling protocols. By sharing field reports and process data, we help teams minimize surprises and put the benefits of tight molecular control to work in their unique settings. Improvement comes down to collaboration, clear tracking, and never shying away from new process trials.
The best advances in our SSBR come from direct input at the customer’s molding presses, extrusion barrels, and curing ovens—not just the lab desk. Every year, our technical staff holds open review sessions with partners, collecting not just complaints but creative tweaks that could give better results on the next run. Our R&D pipeline brings promising ideas back into pilot plant batches, feeding a cycle of continuous improvement that keeps YH-1901H aligned with market and regulatory demands.
Global regulations, rising consumer standards, and shifting environmental expectations re-shape targets every year. By keeping the feedback channels wide open and listening to those who make and use the materials, we evolve the product so it stays reliable and competitive no matter how needs shift.
