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Thermoplastic elastomer based on styrene–ethylene/propylene–styrene (SEPS) triblock copolymer architecture.
Exceptional clarity and low haze, ideal for transparent or translucent applications.
Outstanding UV stability and long-term weatherability without added stabilizers.
High melt flow index enabling easy processing via injection molding and extrusion.
Low compression set and excellent elastic recovery at room and elevated temperatures.
Precision optical lenses and light-diffusing components for LED lighting systems.
Soft-touch overmolding for consumer electronics housings and medical device grips.
High-clarity gaskets and seals for pharmaceutical packaging and diagnostic equipment.
Transparent thermoplastic elastomer films for protective overlays and flexible displays.
Specialty adhesives and pressure-sensitive bonding layers requiring clarity and elasticity.
| Chemical Type | Styrene–ethylene/propylene–styrene (SEPS) triblock copolymer |
| Product Form | Pellets |
| Appearance | Translucent, off-white pellets |
| Primary Applications | Optical components, soft-touch overmolding, medical-grade seals, transparent films |
| Key Features | High clarity, UV resistance, thermoplastic processability, low compression set |
| Benefits | Eliminates need for vulcanization; recyclable; compatible with polypropylene and polystyrene blends |
| Processing Method | Injection molding, extrusion, thermoforming |
| Shelf Life | 24 months under dry, cool storage conditions (≤30°C, <50% RH) |
Q1: What distinguishes Kuratay Septon 2014 from other SEPS-based thermoplastic elastomers?
A: Kuratay Septon 2014 is a styrene–ethylene/propylene–styrene (SEPS) triblock copolymer characterized by its high mid-block ethylene/propylene content and narrow molecular weight distribution, resulting in excellent clarity, low compression set, and superior elastic recovery—particularly at elevated temperatures.
Q2: Is Kuratay Septon 2014 suitable for medical or pharmaceutical packaging applications?
A: While not pre-certified for direct medical device contact, Kuratay Septon 2014 exhibits low extractables, high purity, and inherent biocompatibility typical of hydrogenated SEPS grades. It is commonly evaluated for use in pharmaceutical closures, elastomeric components in drug delivery systems, and sterile packaging—subject to end-user validation per applicable regulatory requirements.
Q3: How should Kuratay Septon 2014 be processed in standard thermoplastic equipment?
A: It processes readily on conventional injection molding, extrusion, and blow molding equipment. Drying is recommended at 60–70 °C for 2–4 hours prior to processing to minimize moisture-related surface defects. Melt temperatures typically range between 190–230 °C, with mold temperatures optimized between 30–60 °C depending on part geometry and desired surface finish.
Q4: Can Kuratay Septon 2014 be blended with other polymers, and which compatibilizers are recommended?
A: Yes—it demonstrates good compatibility with polyolefins (e.g., PP, PE), certain engineering resins, and plasticizers. For polar polymer blends (e.g., with PET or PA), functionalized SEBS or maleic anhydride-grafted polyolefins may improve interfacial adhesion. Compatibility should always be confirmed through rheological and morphological evaluation of the specific blend system.
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