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

Sinopec 7551 Thermoplastic Elastomer SEBS

Sinopec 7551 is a high-performance thermoplastic elastomer (TPE) in the SEBS series, featuring excellent elasticity, thermal stability, and processability. It offers superior tensile strength, low compression set, and good compatibility with PP/PS/PE blends. Widely used in automotive parts, medical devices, and soft-touch applications, Sinopec 7551 delivers reliable performance and eco-friendly processing without vulcanization.
  • sinopec 7551 thermoplastic elastomer sebs_968445ae
  • sinopec 7551 thermoplastic elastomer sebs_968445ae

Features Of Sinopec 7551 Thermoplastic Elastomer SEBS

  1. Excellent balance of elasticity and thermoplastic processability for efficient melt processing.

  2. High transparency and gloss, ideal for premium aesthetic applications.

  3. Good resistance to UV radiation and thermal aging without requiring additional stabilizers.

  4. Low extractables and compliant with FDA-relevant food-contact guidelines (subject to final formulation validation).

  5. Compatible with polypropylene (PP), polyethylene (PE), and polystyrene (PS) for tailored compound formulations.

Typical Applications Of Sinopec 7551 Thermoplastic Elastomer SEBS

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

  2. Medical tubing and non-sterile disposable device components.

  3. Premium consumer goods housings, including personal care appliances and electronics grips.

  4. Food-grade flexible packaging seals and closures (in approved formulations).

  5. Adhesive modifiers for pressure-sensitive hot-melt adhesives (PSA).

Specifications Of Sinopec 7551 Thermoplastic Elastomer SEBS

Chemical TypeStyrene–Ethylene/Butylene–Styrene (SEBS) triblock copolymer
Product FormPellets
AppearanceTranslucent, off-white cylindrical pellets
Primary ApplicationsThermoplastic elastomer compounds, soft-touch materials, functional adhesives
Key FeaturesThermoplastic processability, high elasticity, low compression set, good clarity
BenefitsEnergy-efficient processing, recyclability, formulation flexibility, reduced need for plasticizers
Processing MethodInjection molding, extrusion, blow molding, two-shot molding
Storage ConditionsStore in dry, cool, well-ventilated area; protect from direct sunlight and moisture


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