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

Sinopec YH-791H Thermoplastic Elastomer SBS

Sinopec YH-791H is a high-performance thermoplastic elastomer (TPE) in the YH series, based on styrene–butadiene–styrene (SBS) block copolymer. It offers excellent elasticity, processability, and compatibility with PP/PS/PE blends. Widely used in soft-touch grips, footwear, adhesives, and modified asphalt. Features good tensile strength, low-temperature flexibility, and recyclability—ideal for sustainable, melt-processable applications across automotive and consumer goods industries.
  • sinopec yh 791h thermoplastic elastomer sbs_ac759dd6
  • sinopec yh 791h thermoplastic elastomer sbs_ac759dd6

Features Of Sinopec YH-791H Thermoplastic Elastomer SBS

  1. Excellent balance of elasticity and processability for high-speed extrusion and injection molding.

  2. Good thermal stability and melt flow consistency, ensuring reliable performance in continuous production.

  3. High tensile strength and elongation at break, enabling durable flexible end products.

  4. Compatible with common fillers, plasticizers, and thermoplastic resins (e.g., PP, PS, PE) for tailored compound formulations.

  5. Low extractables and consistent color—ideal for applications requiring aesthetic clarity or regulatory compliance.

Typical Applications Of Sinopec YH-791H Thermoplastic Elastomer SBS

  1. Footwear soles and midsoles requiring lightweight cushioning and abrasion resistance.

  2. Soft-touch overmolding for consumer electronics, power tools, and automotive interior trim.

  3. Adhesives and sealants—especially hot-melt pressure-sensitive adhesives (PSAs) for labeling and packaging.

  4. Medical device components such as grips, tubing jackets, and ergonomic handles (non-implantable).

  5. Flexible packaging films and laminates where toughness and seal integrity are critical.

Specifications Of Sinopec YH-791H Thermoplastic Elastomer SBS

Chemical TypeStyrene–Butadiene–Styrene (SBS) Triblock Copolymer
Product FormPellets
AppearanceOff-white to light yellow cylindrical pellets
Styrene Content (wt%)30–32%
Melt Flow Rate (190 °C/5 kg, g/10 min)4.0–6.0
Shore A Hardness85–90
Primary ApplicationsThermoplastic elastomer compounds, PS-based TPEs, adhesive bases, soft-touch materials
Key FeaturesElastomeric behavior above room temperature, reversible thermoplastic processing, no vulcanization required


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