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HS Code |
610905 |
| Product Name | Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) |
| Appearance | White or light yellow granule |
| Styrene Content | 31% |
| Butadiene Content | 69% |
| Molecular Structure | Linear |
| Specific Gravity | 0.94 g/cm³ |
| Shore A Hardness | 65 |
| Tensile Strength | 17 MPa |
| Elongation At Break | 900% |
| Melt Flow Rate | 4 g/10min (200°C, 5kg) |
| Volatility | 0.4% |
| Ash Content | 0.1% |
| Solubility | Soluble in aromatic and chlorinated hydrocarbons |
As an accredited Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | SBS 1201E is packaged in 25 kg multi-ply paper bags with inner polyethylene liners, clearly labeled with product and safety information. |
| Container Loading (20′ FCL) | 20′ FCL can load approximately 17-18 MT of SBS 1201E, packed in 25kg bags, stacked on pallets for export. |
| Shipping | Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) is typically shipped in 25 kg bags or as bulk pellets. The product is transported on pallets, shrink-wrapped for stability, and protected from moisture, heat, and direct sunlight. Proper labeling and documentation accompany each shipment to ensure safe and compliant delivery. |
| Storage | Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep it in its original, tightly closed packaging to prevent contamination and moisture absorption. Avoid exposure to strong acids, bases, and oxidizing agents. Store at temperatures below 30°C for optimal stability and safety. |
| Shelf Life | The shelf life of Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) is typically 2 years when properly stored in cool, dry conditions. |
Applications of Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) in Industrial ManufacturingSBS 1201E, produced through advanced block copolymerization, delivers precise physical properties required in demanding polymer modification and compounding environments. As a primary manufacturer, we focus on real-world industrial use cases where SBS 1201E supports critical downstream production by delivering targeted elasticity, strength, and process compatibility in direct accordance with industry standards and evolving compliance frameworks. 1. Footwear Outsoles and Shoe ComponentsSBS 1201E stands as a preferred modifier for TPR (thermoplastic rubber) shoe soles, delivering enhanced flexibility and abrasion resistance necessary for repeated bending and mechanical stress. Downstream processors depend on strict material performance and predictable compounding behavior to meet regulatory test benchmarks and market durability expectations in finished outsoles, midsoles, and comfort inserts. Industry compliance standards
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2. Pressure-Sensitive Adhesives (PSA) for Industrial TapesSBS 1201E is widely adopted in the hot-melt formulation of industrial- and packaging-grade PSAs. Its block copolymer structure allows for strong tack, peel, and cohesive strength properties, supporting continuous application on high-speed coating lines, where quality consistency and regulatory conformance drive end-user acceptance for labeling, packaging, and construction tapes. Industry compliance standards
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3. Modified Asphalt for Road PavingInfrastructure contractors routinely select SBS 1201E for modifying bituminous binders in road and highway surfacing. Its unique morphology enhances rutting resistance, cold flexibility, and longevity under repeated thermal cycling, always in reference to strict quality frameworks for public infrastructure and environmental health. Industry compliance standards
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4. Thermoplastic Compounding for Toy and Household GoodsSBS 1201E serves as a key elastomeric modifier in the compounding of soft-touch plastic goods. Its precise contribution supports tactile improvement, impact resistance, and coloring compatibility critical to meeting children’s product safety and consumer electronics surface requirements. Industry compliance standards
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5. Sealing and Waterproofing MembranesSBS 1201E enables the manufacture of advanced waterproof membranes and flexible seals, integrating mechanical elongation and temperature tolerance necessary for long-term performance. Membrane producers rely on its consistent melt behavior for stable sheet formation and controlled bonding, validated through material test regimes found in construction and civil engineering standards. Industry compliance standards
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6. Cable Sheathing and Insulation CompositionsSBS 1201E enhances durability and flexibility in specialty halogen-free and flame-retardant cable sheath formulations. Stringent electrical and safety benchmarks require rigorous material uniformity for long continuous runs, with downstream cable manufacturers focusing on secure encapsulation and reliable flexure under demanding installation conditions. Industry compliance standards
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Competitive Styrene-Butadiene-Styrene Block Copolymer (SBS 1201E) prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to sales4@ascent-chem.com.
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Tel: +8618136850665
Email: sales4@ascent-chem.com
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As a producer working with SBCs day in and day out, the feel of SBS 1201E running through our lines represents the intersection of steady chemistry and practical know-how. SBS block copolymers often serve as essential modifiers across industries, but 1201E stands apart for its balance—a balance sculpted by real production demands rather than wishful thinking. We rely on it to add flexibility where rigid plastics otherwise give out and to bring a sensible toughness without the cost overhang you get with other elastomers. We notice the difference, right on the shop floor, in the way it fuses performance and economy.
Our manufacturing heritage has taught us that SBS 1201E’s ratio of styrene to butadiene (approaching 30/70, but always tightly controlled) makes day-to-day blending cleaner, safer, and more predictable. That’s never a minor concern. Chemists, machine operators, and process engineers see fewer surprises when mixing this grade with asphalt, bitumen, or polymer compounds. The stability in its block structure reliably imparts flexibility and strength, so we run fewer trial-and-error batches. Customers have time and again commented that the mix produces uniform dispersions without the headaches typical of lower-quality imports.
SBS 1201E doesn’t drift into science for its own sake. For us, it’s a workhorse in road construction. When you’re staring down kilometers of paving, the way 1201E binds with bitumen isn’t just a technical feature. The modified asphalt gives superior crack and rut resistance—especially in aggressive freeze-thaw cycles or under constant truck traffic. These aren’t just claims from the lab. We’ve monitored roads built with our product, pulled core samples, and documented their performance after seasons of real-world abuse.
Our clients in the footwear and compounding sectors turn to SBS 1201E to boost grip, softness, and resilience in shoe soles, seals, cables, and hoses. This grade delivers a lively elastomeric feel at room temperature, a property that stays consistent across production runs. Unlike certain alternatives, 1201E withstands repeated mechanical stress without excessive creep or deformation, keeping parts functional far into their lifecycle. The recyclers we support also value SBS 1201E’s clean processing, as it allows for better reworking of trim and scrap material.
Adhesive and sealant producers share a different set of priorities. They like that SBS 1201E blends smoothly with tackifiers and resins, generating hot melt and pressure-sensitive adhesives that hold tough under real-life conditions—applied on packaging lines, assembly shops, or labelers moving at factory speeds. On our end, we’ve run stability tests at elevated temperatures and can vouch for the block copolymer’s consistent grab, tack, and final hold.
Consistent polymerization makes or breaks a copolymer’s reputation. By tightly managing temperature, batch purity, and catalyst concentrations, our lines achieve molecular weight distributions that keep extrusion uniform and avoid clogging. With SBS 1201E, our process delivers a fine powder or pellet that carries enough flow for injection and extrusion, yet holds shape for calendaring or sheet production. Viscosity lands right where compounders need it, neither too stringy nor too waxy during mixing. This means less downtime and fewer equipment cleanouts, backed up by internal stats on throughput and maintenance tickets from our plant managers.
A lot of users ask about purity or contaminant risks, especially those working in sensitive applications like cable jacketing or insulation. With SBS 1201E, our blend profiles keep residual monomer levels far below international limits, as verified by routine in-house GC and FTIR checks. These aren’t just compliance signals—they matter for downstream reliability. The product’s clarity and transparency also open the door for its use in color-sensitive or optical applications, creating cleaner colors without haze or unwanted undertones.
Not all SBCs handle harsh process environments or demanding product specs. SBS 1201E holds up under both thermal cycling and UV exposure, maintaining elasticity and surface integrity. In film and sheet production, users see fewer splits or pinholes, even at high draw rates. Knowledge of these results doesn’t come from abstract certificate numbers, but from regular dialogue with converters and a steady stream of returns analysis.
Operators looking for an honest opinion between standard SBS, high-styrene variants, and hydrogenated grades often hear a lot of marketing noise. From our hands-on processing, SBS 1201E’s mid-styrene content achieves a sweet spot: enough hardness for wear surfaces, but not so high that it gets brittle. By contrast, high-styrene types edge toward rigidity and lose flexibility, while low-styrene blends sometimes can’t take the abrasions and stresses demanded in heavy industry.
Hydrogenated versions like SEBS resist oxidation better, making them fit for weatherproofing or high-heat automotive parts. That said, most users don’t need that pedigree—especially once the price difference rolls in. On our shop floor, SBS 1201E gives 90% of the functionality at a fraction of the cost. We encourage direct side-by-side pilot runs to spot these practical differences. The stories we gather from feedback loops, not glossy product brochures, set SBS 1201E apart as the reliable workhorse for most goals.
We develop our SBS 1201E with plant reliability in mind. The granulate pours readily into hoppers, keeps dust under control, and mixes into both hot-melt and solvent systems without clumping—a benefit that makes a difference for floor managers trying to keep lines moving. Our extrusion techs always report that 1201E flows with little back-pressure, giving smoother cycles and fewer surges during melts or profile forming.
In compounding, kneader and twin-screw systems often struggle with blockages or temperature spikes when using less-refined variants. SBS 1201E handles broader temperature ranges and delivers consistent mixing, so blend ratios come out right without constant tweak-and-test. This is the result of investments in finishing equipment and screening technology. We didn’t get here overnight; these process improvements stem from years of in-line troubleshooting and careful audit cycles. Our operators document batch consistency, which in turn means fewer claims about color variation, gel content, or surface finish.
In today’s chemical industries, users don’t just buy bulk resin. They want transparency on safety, emissions, and long-term impact. For us, that means tracking the supply chain of styrene and butadiene feedstocks to ensure compliance with modern stewardship standards. SBS 1201E ships with traceable batches and has passed regulatory audits for VOC content and heavy metal levels. Real people monitor these runs. Our teams conduct onsite audits at raw material suppliers and cycle through safety briefings and emission mitigation programs on our own lines.
Runoff, dust, or off-gassing can become real-world issues in larger operations. We took steps years back, both at our site and alongside downstream clients, to refine finishing and packaging. Sealed delivery minimizes airborne spread. For users repurposing trimmings or offcuts, SBS 1201E’s clean chemistry helps reduce hazardous byproducts during recycling—verified by tester data, not just lab papers or assumptions.
In our own safety reviews, plant personnel report no special risks during blending or extrusion when using SBS 1201E under standard operational controls. This feedback, coupled with field audits and compliance reviews, gives peace of mind in both unionized and non-unionized workplaces. User trust doesn’t come easy in chemicals—it’s earned with long-term clarity and regular, third-party testing.
Local jobs, regional industry health, and economic resilience shape how we develop and distribute SBS 1201E. As direct manufacturers, we see firsthand the connection between material consistency and business stability in customer workshops, mixing sheds, and on job sites. When we optimize production runs for export, we’re supporting logistics partners, maintenance suppliers, and field technicians in our region. The trickle-down effect of a reliable SBS grade reaches well beyond our own gates.
Year after year, builders and fabricators rely on us not just for price or product inventory, but for honest insight into which grades work and which don’t. We participate in technical working groups, host site tours, and encourage operators to share feedback and concerns. This boots-on-the-ground perspective matters just as much as lab numbers or sales claims. Through active engagement and iterative product development, SBS 1201E stays aligned with the evolving needs of real businesses and end-users.
We’ve learned alongside end users. In paving, material separation can stall batch mixes, so we tailored SBS 1201E’s grain size and flow additives based on early operator feedback. This cut clumping by more than half the industry baseline. For injection molders, we adjusted moisture content in our packaging to reduce pre-drying cycles, supporting a more continuous run. Some clients noted better surface finishes and less tool fouling as a result.
Problems aren’t theoretical in manufacturing—they happen in real time and cost real money. We maintain rapid communication lines for users facing strange mixing or flow behavior, providing troubleshooting support and replacement options when needed. We don’t push guesswork; instead, our field engineers review actual process parameters and build fixes tailored to the floor realities, not just the paperwork.
Process innovation doesn’t always mean chasing exotic chemistries. Much of our work with SBS 1201E involves sweating the operational details: tuning mixing protocols, optimizing feeder rates, and evaluating pigment or filler interactions in live production cells. We draw on shop-floor insights, not just boardroom ambitions.
Automation and digital monitoring now help us track polymer properties batch by batch in real time. If a shipment runs heavier or lighter, or shows subtle viscosity drift, we get alerted early, reducing surprises at the user’s receiving dock. This cycle of practical improvement, grounded in field data, keeps SBS 1201E ahead of commodity grades and worthy of repeat business from demanding clients.
Current industrial expectations push all of us toward safer, cleaner, and more predictable materials. Tightening restrictions on VOCs, HAPs, and waste disposal help shape our own product roadmap. We’re working toward reducing residual monomer contents and integrating post-consumer butadiene streams, backed by direct feedback from downstream industry partners. On our floor, leaner process lines cut energy draw and waste, streamlining SBS 1201E’s environmental footprint year after year.
Some may ask about biobased alternatives or fully renewable content. SBS 1201E still draws from petrochemical roots, but our strategic planning includes active dialogue with feedstock innovators and environmental groups. As the market nudges closer to circular economy practices, our team remains focused on realistic options that build on established manufacturing—rather than disrupting user workflow with uncertain supply or inconsistent performance.
Every year, we see new specs, shifting standards, and changing customer preferences. What remains constant is our drive to make SBS 1201E the most dependable block copolymer for mainstream use. From the ground up, we develop this grade not on spreadsheets or slogans, but through real process feedback, direct engagement, and prototyping alongside the technicians and operators who put it to work.
By keeping SBS 1201E’s formulation grounded in manufacturing experience, we’ve built a product that meets the reality of everyday industry—staying adaptable, affordable, and consistently reliable. Our focus stays on delivering honest value, supporting problem solving, and refining processes with every batch. As markets evolve, the lessons from our factory and from partner facilities mean SBS 1201E continues to set a practical standard in block copolymer performance.
