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Mitsui Plastics offers high-performance Styrene-Isoprene-Styrene (SIS) triblock thermoplastic elastomers, known for their exceptional softness, low gel content, and superior elasticity. SIS is widely used in hot melt adhesives, elastic films, and flexographic printing plates due to its aggressive tack, excellent adhesion, and high tensile strength.
Our SIS grades are low-VOC, highly compatible with a wide range of tackifiers, and softer than other styrenic polymers—making them ideal for bonding to recycled carton board and other challenging substrates. SIS is a trusted choice for manufacturers of hot melt adhesives, sealants, and stretch films.
Markets Served:
Tape & Label | Hygiene & Personal Care | Printing | Consumer Goods | Coatings | Adhesives | Sealants
| Polymer Structure | Styrene Content (%) | SI Diblock Content (%) | Melt Index (g/10min) | Hardness (Shore A) |
|---|---|---|---|---|
| Hybrid | 14 | 12 | 9 | 36 |
| Linear | 15 | 78 | 7 | 21 |
| Linear | 14 | 26 | 10 | 33 |
| Linear | 16 | 56 | 12 | 31 |
| Radial | 19 | 30 | 15 | 44 |
We stock a wide range of SIS grades in the U.S., including linear, radial, and hybrid structures. Contact our team for a personalized recommendation tailored to your application needs.
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