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

Sinopec YH-511 Thermoplastic Elastomer SEBS

Sinopec YH-511 is a high-performance thermoplastic elastomer (TPE) in the YH series, based on styrene–ethylene–butylene–styrene (SEBS) block copolymer. It offers excellent elasticity, thermal stability, and processability for medical devices, soft-touch grips, and polymer modification—without plasticizers or vulcanization.
  • sinopec yh 511 thermoplastic elastomer sebs_39c2e09c
  • sinopec yh 511 thermoplastic elastomer sebs_39c2e09c

Features Of Sinopec YH-511 Thermoplastic Elastomer SEBS

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

  2. High transparency and gloss, enabling premium aesthetic performance in finished products.

  3. Good resistance to UV radiation and thermal aging, supporting long-term outdoor durability.

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

  5. Easy compounding with fillers, oils, and resins—ideal for tailored hardness and soft-touch properties.

Typical Applications Of Sinopec YH-511 Thermoplastic Elastomer SEBS

  1. Soft-touch overmolding for consumer electronics housings and automotive interior trim.

  2. Medical device components requiring biocompatibility support and sterilization compatibility.

  3. Premium packaging films and flexible closures demanding clarity and seal integrity.

  4. High-performance adhesives and pressure-sensitive tapes with enhanced tack and cohesion.

Specifications Of Sinopec YH-511 Thermoplastic Elastomer SEBS

Chemical TypeStyrene–ethylene–butylene–styrene (SEBS) triblock copolymer
Product FormPellets
AppearanceTranslucent, cylindrical pellets
Primary ApplicationsSoft-touch materials, medical compounds, adhesives, flexible packaging
Key FeaturesThermoplastic elasticity, high clarity, oil processability, low volatility
BenefitsEnergy-efficient processing, recyclability, no vulcanization required, excellent colorability
Storage ConditionsStore in cool, dry place; protect from direct sunlight and moisture


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