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

Sinopec YH-1209 Thermoplastic Elastomer SIS

Sinopec YH-1209 is a high-performance thermoplastic elastomer (TPE) in the YH series, based on styrene-isoprene-styrene (SIS) block copolymer. It offers excellent elasticity, tackiness, and processability for adhesives, soft-touch coatings, and medical devices. Compatible with PP, PE, and PS, it enables easy melt processing without vulcanization.
  • sinopec yh 1209 thermoplastic elastomer sis_106b2ba8
  • sinopec yh 1209 thermoplastic elastomer sis_106b2ba8

Features Of Sinopec YH-1209 Thermoplastic Elastomer SIS

  1. Styrene-isoprene-styrene (SIS) triblock copolymer offering excellent melt processability and reversible thermoplastic behavior.

  2. High elasticity and superior tack retention across a broad temperature range.

  3. Good compatibility with common tackifying resins, plasticizers, and polyolefin-based polymers.

  4. Low odor and low volatile organic compound (VOC) emission, suitable for sensitive applications.

  5. Consistent batch-to-batch performance ensured by Sinopec’s ISO 9001-certified production control system.

Typical Applications Of Sinopec YH-1209 Thermoplastic Elastomer SIS

  1. Pressure-sensitive adhesives (PSAs) for labels, tapes, and medical transdermal patches.

  2. Soft-touch overmolding compounds in consumer electronics and automotive interior trim.

  3. Thermoplastic elastomer blends for flexible packaging sealants and peelable films.

  4. Hot-melt adhesive formulations requiring high green strength and clean removability.

  5. Specialty polymer modifiers enhancing impact resistance and flexibility in PP/PE compounds.

Specifications Of Sinopec YH-1209 Thermoplastic Elastomer SIS

Chemical TypeStyrene–Isoprene–Styrene (SIS) Triblock Copolymer
Product FormPellets
AppearanceOff-white to light yellow, free-flowing cylindrical pellets
Styrene Content≈14–16 wt%
Melt Flow Rate (200 °C / 5 kg)15–25 g/10 min
Shore A Hardness (ASTM D2240)35–45
Thermal Stability (TGA onset, N₂)≥320 °C
Primary ApplicationsPSA formulations, soft-touch TPE blends, hot-melt adhesives


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