The Quintac series are thermoplastic elastomers with polystyrene-polyisoprene block structures ideally suited for use as a base polymer for adhesives or as the main material for elastic films.

Quintac Series
Polystyrene structure | Grade | Applications and Characteristics | Designed values | ||
---|---|---|---|---|---|
Styrene content (%) |
Coupling efficiency (%) |
Melt index (g/10min.) |
|||
Symmetrical | Quintac 3421 | ・For hot melt pressure-sensitive adhesives. ・Standard type with balanced adhesive perfoemance. |
14.3 | 74.00 | 10.0 (G condition) |
Quintac 3620 | 14.3 | 88.00 | 9.0 (G condition) |
||
Quintac 3433N | ・For hot melt pressure-sensitive adhesives. ・Low-modulus type with excellence at carton board sealing. |
16.5 | 44.00 | 12.0 (G condition) |
|
Quintac 3520 | 15.0 | 22.00 | 6.5 (G condition) |
||
Quintac 3450 | ・For hot melt pressure-sensitive adhesives. ・Low-viscosity and high-retention type. |
19.0 | 70.00 | 3.0 (G condition) |
|
Quintac 3270 | ・For hot melt pressure-sensitive adhesives. ・High-adhesive type. |
24.0 | 33.00 | 20.0 (G condition) |
|
Quintac 3280 | ・For hot melt pressure-sensitive adhesives. ・Standard type with balanced adhesive perfoemance. |
25.0 | 83.00 | 12.0 (G condition) |
|
Asymmetrical | Quintac 3190 | ・For label. ・High-adhesive type with excellence at oil retention. |
30.0 | ― | 15.0 (G condition) |
Quintac 3390 | ・For film. | 48.0 | ― | 14.0 (G condition) |
|
Measurement method | Refractive index method | Gel permeation chromatography |
Extrusion plastometer |

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