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

Kuraray SEPTON™ 5152 Impact Modifier_copy20260123104304

SEPTON™ 5125 is a 20% styrene vinyl-bond rich SIS of Kuraray’s 5000 series, with high reactivity, good compatibility with polar/non-polar resins, excellent flexibility and electrical insulation, suitable for adhesives, sealants, asphalt modification and polymer compounding.

Features Of Kuraray SEPTON™ 5152 Impact Modifier

  1. 20% styrene, vinyl-bond rich SIS, high reactivity for crosslinking

  2. Good compatibility with polar/non-polar resins, ideal for compounding

  3. Excellent flexibility, electrical insulation, easy processing and forming

  4. Suitable for adhesives, asphalt modification and polymer modification

  5. Physical form: pellet, easy to store and transport

Typical Applications Of Kuraray SEPTON™ 5152 Impact Modifier

  1. Adhesives & sealants (hot melt adhesives, pressure-sensitive adhesives)

  2. Asphalt modification (road pavement, waterproofing membranes)

  3. Polymer modification (impact/toughness enhancement)

  4. Wire & cable insulation, consumer electronics and daily necessities

  5. Compounding with polar/non-polar resins for various applications

Specifications Of Kuraray SEPTON™ 5152 Impact Modifier

Physical Properties
Styrene Content20 wt%
Density0.94 g/cm³
Hardness (Type A)60 Shore A
Melt Flow Properties
MFR (230°C, 2.16 kg)1.6 g/10min
MFR (200°C, 10.0 kg)8.8 g/10min
Solution Viscosity (Toluene, 30°C)
20 wt%650 mPa·s
15 wt%100 mPa·s
Physical Form
Physical FormPellet























































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