Styrene-isoprene-styrene (SIS) triblock copolymer offering excellent melt processability and reversible thermoplastic behavior.
High elasticity and superior tack retention across a broad temperature range.
Good compatibility with common tackifying resins, plasticizers, and polyolefin-based polymers.
Low odor and low volatile organic compound (VOC) emission, suitable for sensitive applications.
Consistent batch-to-batch performance ensured by Sinopec’s ISO 9001-certified production control system.
Pressure-sensitive adhesives (PSAs) for labels, tapes, and medical transdermal patches.
Soft-touch overmolding compounds in consumer electronics and automotive interior trim.
Thermoplastic elastomer blends for flexible packaging sealants and peelable films.
Hot-melt adhesive formulations requiring high green strength and clean removability.
Specialty polymer modifiers enhancing impact resistance and flexibility in PP/PE compounds.
| Chemical Type | Styrene–Isoprene–Styrene (SIS) Triblock Copolymer |
| Product Form | Pellets |
| Appearance | Off-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 Applications | PSA formulations, soft-touch TPE blends, hot-melt adhesives |
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E-mail: wangxingqiang@ericwchem.com
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