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

Sinopec YH-503T Thermoplastic Elastomer SEBS

Sinopec YH-503T is a high-performance thermoplastic elastomer (TPE) in the YH-SEBS series, featuring excellent melt processability, superior elasticity, and outstanding UV/thermal stability. Designed for medical devices, soft-touch grips, and automotive seals, it offers low odor, good clarity, and easy coloration. Compliant with FDA and RoHS standards, YH-503T delivers reliable performance in extrusion, injection molding, and overmolding applications.
  • sinopec yh 503t thermoplastic elastomer sebs_cb918932
  • sinopec yh 503t thermoplastic elastomer sebs_cb918932

Features Of Sinopec YH-503T 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 thermal stability and low compression set for durable performance under repeated deformation.

  4. Compatible with polypropylene (PP) and polystyrene (PS), enabling flexible compound formulation.

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

Typical Applications Of Sinopec YH-503T Thermoplastic Elastomer SEBS

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

  2. Medical tubing and disposable device components requiring biocompatibility support.

  3. Premium stationery items such as erasers, grips, and flexible pens.

  4. Food-grade seals, gaskets, and squeeze bottles for non-acidic contents.

  5. Adhesive modifiers and pressure-sensitive adhesive (PSA) formulations.

Specifications Of Sinopec YH-503T Thermoplastic Elastomer SEBS

Chemical TypeStyrene–Ethylene/Butylene–Styrene (SEBS) triblock copolymer
Product FormPellets
AppearanceTranslucent, off-white cylindrical pellets
Primary ApplicationsSoft-touch materials, medical elastomers, food-contact components, adhesives
Key FeaturesElastic recovery, PP/PS compatibility, thermal reversibility, low odor
BenefitsReduced need for vulcanization, recyclable processing, consistent melt flow
Processing MethodInjection molding, extrusion, blow molding, overmolding


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