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HS Code |
916242 |
| Product Name | Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) |
| Appearance | White or light yellow pellet |
| Molecular Structure | Linear triblock copolymer |
| Styrene Content | 30% |
| Specific Gravity | 0.89 g/cm³ |
| Shore A Hardness | 65 |
| Tensile Strength | 12 MPa |
| Elongation At Break | 750% |
| Melt Flow Index | 8 g/10min (200°C/5kg) |
| Volatility | ≤0.5% |
| Ash Content | ≤0.1% |
| Thermal Stability | Good |
As an accredited Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | SEBS YH-501T is packaged in a 25 kg net weight, white woven plastic bag with product labeling and manufacturer details. |
| Container Loading (20′ FCL) | 20′ FCL can load approximately 17 metric tons of SEBS YH-501T, packed in 25 kg bags, on pallets or loose. |
| Shipping | **Shipping Description for Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T):** SEBS YH-501T is shipped in 25 kg bags or as specified by customer requirements. The material is packed securely to prevent moisture and contamination. It is transported as a non-hazardous chemical, ensuring safe handling under normal transportation conditions. Store in a dry, well-ventilated area. |
| Storage | Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and strong oxidizing agents. Keep the material in tightly sealed original containers to prevent contamination and moisture absorption. Avoid exposure to temperature extremes to maintain the quality and performance of the copolymer. |
| Shelf Life | Shelf life of Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) is typically 2 years if stored in cool, dry conditions. |
Applications of Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) in Industrial ManufacturingAs a manufacturer specializing in SEBS YH-501T, our raw material supports demanding downstream industries that require consistent physical properties, chemical resistance, and processability. Below, we detail the principal industrial sectors adopting SEBS YH-501T, highlighting specific compliance standards, precise formulation practices, direct involvement in production, and verified finished products. 1. Medical Device Components and Soft-Touch GripsMedical device factories select SEBS YH-501T to manufacture components demanding soft elasticity, sterilization stability, and skin contact safety, such as syringe plungers, tube connectors, and soft-touch surgical instrument handles. The material’s low extractables and absence of latex or phthalates enable use in sensitive healthcare environments, supporting finished products that meet global market access and patient safety criteria. Industry compliance standards
Typical usage ratio
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Manufacturers of baby care products and personal hygiene accessories use SEBS YH-501T for its hypoallergenic profile, safety for prolonged skin contact, and compatibility with transparent and colored formulations. The polymer forms ergonomic, non-slip, and durable outer layers on items such as toothbrush handles, baby bottle grips, and personal grooming tools, blending safety and function in daily-use consumer products subjected to global QC audits. Industry compliance standards
Typical usage ratio
Downstream process integration
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3. Wire and Cable Sheathing for Consumer ElectronicsWire and cable extruders select SEBS YH-501T for halogen-free, flexible jacketing and insulation, meeting stringent physical, electrical, and environmental resistance requirements. Its compatibility with flame retardant packages and resistance to cracking after repeated bending facilitate durable, RoHS-compliant cables for high-wear electronic, appliance, and data wiring markets, where safety and regulatory acceptance are mandatory for OEM adoption. Industry compliance standards
Typical usage ratio
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4. Automotive Interior and Exterior TrimThe automotive industry incorporates SEBS YH-501T in dashboards, door panels, soft console covers, and weatherseal applications to supply a blend of high UV resistance, colorability, and resilience under cyclic thermal and mechanical stress. Manufacturers depend on the stable processing window and harmonious mixing with PP in co-extruded or injection-molded interior and exterior modules, meeting OEM requirements for emissions, odor, and tactile performance validation across major regions. Industry compliance standards
Typical usage ratio
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5. Waterproofing Membranes and Roofing SheetsProducers of waterproofing membranes use SEBS YH-501T as a modifier in bituminous compounds to enhance elasticity at low temperatures, improve UV and chemical resistance, and extend service life under dynamic load conditions. These products fulfill rigorous building and infrastructure requirements where mechanical recovery, long-term flexibility, and resistance to plasticizer migration directly affect installation safety and field performance. Industry compliance standards
Typical usage ratio
Downstream process integration
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6. Hot Melt Adhesives for Industrial AssemblyHot melt adhesive manufacturers deploy SEBS YH-501T to achieve precise control over viscosity, open time, and peel strength in formulations for automotive, hygiene, packaging, and woodworking applications. Its polarity match with a broad range of tackifiers and plasticizers, combined with thermal stability, yields adhesives that meet regional labeling and food packaging safety law and keep lines running without downtime from gelation or premature curing. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive Styrene-Ethylene-Butylene-Styrene Block Copolymer (SEBS YH-501T) 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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Over decades in the business of chemical manufacturing, we have learned to recognize which materials measure up on the factory floor and in the field. Customers want more than just reliable deliveries. They want repeatable quality and a product that behaves as expected in every batch. Among the most requested materials in recent years, our Styrene-Ethylene-Butylene-Styrene Block Copolymer, SEBS YH-501T, stands out not just in our catalogue but also in the way it shapes finished goods across many sectors.
SEBS YH-501T serves as a flexible base polymer that lends a good balance of softness, stretch, and resilience to a product line. Production teams report that it blends quickly into formulations for over-molding, soft-touch grips, and all sorts of items that need a gentle surface without sacrificing strength. Our history with this compound goes back years. Each batch follows strict protocols that allow manufacturers to predict not only physical properties during processing but also how the final products handle stress and repeated use. More than once, new customers have been surprised by how well this grade processes compared to others they have sourced. Some switch after seeing the surface finish and tactile feel SEBS YH-501T brings to their goods.
The block copolymer structure gives SEBS YH-501T its character. The styrene blocks enhance mechanical strength, while the ethylene and butylene segments contribute to flexibility. This balance allows finished products to maintain shape after stretched, squeezed, or compressed. In our facilities, we have monitored how adjustments in temperature, pressure, or shear during processing affect the finished part. Some brands assume these materials offer little room for improvement or customization. Real-world production lines reveal the truth: the right know-how during compounding makes all the difference. Our own technologists test each lot for elongation at break, tensile range, and resilience. This approach never leaves customers guessing about batch consistency.
Manufacturers trust SEBS YH-501T in footwear, sporting goods, automotive components, personal care packaging, and wire insulation. We have supported customers launching new electrical tools where non-slip, soft-touch grips mean better control and safety. Others blend it into gaskets or weather-resistant seals where the material must flex but keep a strong barrier against water, dust, or air. Over many projects, design engineers have improved comfort on medical device housings or consumer products by specifying SEBS YH-501T for its skin-friendly and phthalate-free profile. Based on feedback, applications continue expanding – from bicycle handlebar covers to soft molding around electronic parts that must stand up to heat or cold.
As raw material prices shift and environmental demands tighten, buyers often ask how SEBS YH-501T compares to traditional materials. The answer depends on performance demands and end-use regulations. Unlike plasticizers in soft PVC, SEBS leaves no migration worry for sensitive applications. It resists aging when exposed to sunlight or ozone. Our own testing, aligned with customer trials, shows SEBS copolymers hold up better than SBS grades in high-heat or chemically aggressive settings. Where natural rubber falls short on clarity or requires extra additives to stabilize against oxidation, SEBS YH-501T proves more stable and uniform. Managers in packaging or medical molding lines report a reduction in batch-to-batch variation, which means fewer rejections and less troubleshooting.
Production managers know the frustration of unstable melt flow or unpredictable shore hardness. At our facilities, we control polymerization steps to keep the melt flow index steady, batch after batch. This parameter matters in extrusion and injection molding jobs where even small fluctuations can clog tooling or create rough textures. Over the years, we have tested the compounding of SEBS YH-501T with fillers, oils, and pigments for both injection and extrusion. Results show good compatibility across process equipment, reducing color streaking or property drop-off. Customers often remark on the smooth consistency, which cuts startup waste and allows for faster lot changes. Occasionally, we receive feedback about difficult de-molding on certain complex parts; usually, minor tweaks in mold temperature or release agents resolve the issue without altering the polymer grade.
Regulators and downstream users demand safer, more durable materials. Our processes exclude phthalates, heavy metals, and other chemicals that pose health or environmental risk. During audits, teams have looked closely at every stage, from raw monomer selection to finished pellet handling. SEBS YH-501T meets key international standards, which enables customers to pass their own compliance checks for toys, baby products, or direct-contact packaging. From our side, we work to minimize waste in both chemical processes and packaging logistics. On the shop floor, workers appreciate low VOC emissions during compounding—a factor that improves shop air and reduces headaches or complaints. One improvement involves bulk silos and container use, which lowers dust and shipping material overall.
Some product categories demand more than pleasant texture. Automotive interiors, electrical housing, and outdoor gear all face long-term aging fears. Engineers often ask about resistance to UV rays, heat cycles, and aggressive cleaning agents. SEBS YH-501T gets frequent use in these environments because of its solid performance against chalking, color fading, and hardening. We frequently run aging ovens and weatherometer cycles on samples during batch QA. Test data from in-house and customer labs support claims of color and flexibility retention even after months of exposure. In one project, a partner needing softer trim for car consoles ran side-by-side tests with competitive elastomers, only to swap entirely to SEBS YH-501T thanks to better resistance to plasticizer migration and cracking.
We hear from compounders who face sticky, unpredictable results when blending SEBS with other plastics or additives. Small adjustments in mixing sequence and temperature profile often solve these issues. Our technical team reported success by starting dispersive mixing of mineral oils before introducing pigments or fire retardants. Customer case studies show that when SEBS YH-501T is used as the base, final compounds demonstrate enhanced clarity and better oil retention, even at high loading levels. In adhesives and soft coatings, it resists bleeding and maintains its performance over time, something that is not easily achieved with other copolymer blends. Recommendations come from real world production, not just test tube data – and the experience feeds back into our process control, improving every ton shipped.
Most manufacturers need more than a product. They depend on a supply chain that can deliver predictable results year after year. Over the last years, we have tightened our controls to improve traceability, from monomer batch to shipping documents. This means if a customer ever experiences an issue, lot-by-lot data allows both sides to pinpoint the root cause. Some clients have struggled with vendors who view technical support as an afterthought. Our approach emphasizes direct lines to process engineers—those who know both the chemical structure and real-world manufacturing. More than once, we have supported facility audits, customer inspections, and technical troubleshooting on-site, not just from behind a desk.
Factories now push for higher rates of automation and reduced stoppages. SEBS YH-501T allows for stable process windows, low scrap rates, and consistent cycle times. These factors matter, especially for high-output operations where every hour counts. We have observed smoother automatic de-molding and lower tool wear when customers swap to our grade. In wire and cable insulation, lines report fewer shutdowns caused by jamming, which they attribute to our careful control of viscosity and pellet uniformity. Goods with complex geometry or fine embossing retain detail where other materials tend to blur or stick. Packaging engineers updating legacy production lines have switched over to SEBS YH-501T for this precise control, yielding shorter changeover periods without expensive tool modifications.
No matter how reliable a chemical process appears, unforeseen challenges arise: changes in regulatory lists, customer demand for unique pigment compatibility, or sudden spikes in demand. We have built in flexibility, maintaining excess lab capacity for rapid testing or formulation adjustment. Some clients request certification data for each load; others seek detailed rheological charts for advanced simulations. These requests have driven us to digitize quality and process histories, enabling customers to integrate our verification directly into their own documentation flows. When clients worked through problems with pigment wetting or over-curing in silicone blends, we delivered custom mixing studies to speed up plant trials. Technical support is not an extra—it’s the way we operate, embedded into every batch.
Demands shift as markets evolve. We have watched as medical device makers faced tighter biocompatibility standards, food-contact packagers adjusted for changing migration limits, and automotive brands asked for better balance between softness and high-temperature resistance. Each request drives us to push our internal QA, invest in better test tools, and refine every processing step. Direct feedback from our customers enables us to adjust quickly. Sometimes, this means exploring new catalyst systems or longer residence times; other times, it involves identifying minor improvements in pelletizing or packaging lines. This cycle of feedback and correction stands behind every batch of SEBS YH-501T that leaves our plant.
Many years in chemical synthesis and compounding have taught us not every challenge can be anticipated from a desk. Troubleshooters at the line often find the simplest answers—such as adjusting the feed rate or switching cooling water temperature. By listening closely to both line operators and quality departments, we spot potential points of improvement. For SEBS YH-501T, a common early concern involved dust during transfer to compounding hoppers. We retrofitted conveyors and tested alternative anti-static agents to resolve the problem and documented the outcome for all customers. Similar steps follow every new concern, whether related to pellet shavings, agglomeration, or off-odor.
Customers supply end markets around the world. From Asia-Pacific processors facing monsoon humidity to North American plants wrestling with winterized inventory, the physical stability of SEBS YH-501T means shipments arrive ready for use across climates. Years of shipping to diverse locations have highlighted the importance of packaging, container moisture control, and logistics partnerships that can handle full-scale requirements. Our teams work with local distributors to anticipate customs needs and freight delays, ensuring delivery schedules stay on track. We publish every change to product handling or regulations that could affect customer lines, and update technical documents reflecting both local and international testing.
Each industry shift brings new engineers and new design trends. We believe supporting education is part of our role. Internally and externally, we deliver seminars, share test datasets, and walk students through the complexities of soft-touch polymer mechanics. By opening up our process data and results, we show young technologists where SEBS YH-501T fits and why a certain resin blend gives better result. Several partnerships with technical schools have developed innovation not just in manufacturing, but in product design: thinner, lighter, safer goods made possible with easer-to-process elastomers.
Decades working directly with customers on formulation, testing, and production have taught us that the right material can make or break a product launch. SEBS YH-501T offers a dependable blend of elasticity, strength, and processability that solved real challenges for real people. Each bag carries the experience of hundreds of feedback cycles, countless trials, and constant engineering push for better performance with less hassle. This grade lets manufacturers run longer, waste less, and launch products that withstand the rigors of daily life and demanding environments. By focusing on customer needs and production realities, we continue to shape what thermoplastic elastomers can accomplish across industries.
