Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Sinopec 7550 Thermoplastic Elastomer SEBS

Sinopec 7550 is a high-performance thermoplastic elastomer (TPE) in the SEBS series, featuring excellent elasticity, thermal stability, and processability. It offers superior compatibility with PP/PS, low odor, and meets RoHS/REACH standards. Widely used in automotive parts, medical devices, and consumer goods requiring soft-touch and recyclability.
  • sinopec 7550 thermoplastic elastomer sebs_e55ab631
  • sinopec 7550 thermoplastic elastomer sebs_e55ab631

Features Of Sinopec 7550 Thermoplastic Elastomer SEBS

  1. Excellent melt processability via extrusion, injection molding, and thermoforming without vulcanization.

  2. Outstanding elasticity and resilience with high tensile strength and elongation at break.

  3. Good thermal stability and consistent rheological behavior across processing temperatures.

  4. Superior compatibility with polypropylene (PP), polystyrene (PS), and various fillers and oils.

  5. Low extractables and compliant with FDA-relevant food-contact guidelines for selected formulations.

Typical Applications Of Sinopec 7550 Thermoplastic Elastomer SEBS

  1. Soft-touch overmolding for automotive interior trim and instrument panels.

  2. TPE-based medical tubing and device components requiring biocompatibility support.

  3. High-performance polymer blends for consumer electronics casings and grips.

  4. Flexible packaging films and heat-sealable laminates in food and pharmaceutical sectors.

  5. Footwear midsoles and outsoles requiring fatigue resistance and comfort.

Specifications Of Sinopec 7550 Thermoplastic Elastomer SEBS

Chemical TypeStyrene–Ethylene/Butylene–Styrene (SEBS) triblock copolymer
Product FormPellets (free-flowing, cylindrical)
AppearanceOff-white to light beige, uniform granules
Primary ApplicationsThermoplastic elastomer blends, soft-touch materials, functional TPE compounds
Key FeaturesThermoplastic reversibility, oil extensibility, UV stabilization capability
BenefitsReduced cycle time vs. thermoset rubbers; recyclable scrap; no peroxide curing required
Processing Temperature Range180–230 °C (recommended melt temperature window)
Storage ConditionsStore in dry, cool, well-ventilated area; avoid direct sunlight and moisture


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