Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® SiE6255
SiSiB® SiE6255

SiSiB® SiE6255 is a silicone-based thermoplastic elastomer via dynamic vulcanization, with 1–3μm vulcanized silicone particles in TPU matrix, offering soft silky touch, good mechanics/chemical resistance/processability for extrusion use.

SiSiB® SiE6255

Benefits


  • Silky-soft surface feel


  • Excellent stain and dust resistance


  • Plasticizer-free and non-migrating


  • Easy demolding and trim removal


  • Outstanding adhesion to PC, ABS, PVC


  • Compatible with laser marking, screen printing, pad printing, spraying


  • High resilience; Shore A hardness range: 55-90


Physical Properties


Appearance:

White to off-white pellets

Hardness (Shore A):

55

ISO 868: 2003

Specific Gravity:

1.18

ISO 1183-1: 2019

Melt Flow Index:

23.6

ISO 1133-1: 2011



(g/10min,10kg, 190°C)

Elastic Modulus (MPa):

4.41

ISO 37: 2017

Tensile Strength (MPa):

6.0

ISO 37: 2017

Elongation at Break (%):

578

ISO 37: 2017

100% Modulus (MPa):

2.1

ISO 37: 2017

100% Elastic Recovery (%):

92

ISO 37: 2017

Tear Strength (kN/m):

33

ISO 34-1: 2015

These values are typical and not intended for specification purposes.

Application


  • SiSiB® SiE6255 is recommended for use in the extrusion of soft-touch components that require durability, cleanliness, and high flexibility. It is especially suitable for products such as headphone cables, synthetic leather films, and other skin-contact film materials where both tactile comfort and surface cleanliness are critical.

Packing and Storage


SiSiB® SiE6255 is supplied in 25 kg paper-plastic composite bags with a PE inner liner for moisture protection.


In the original unopened packaging, SiSiB® SiE6255 has a shelf life of 24 months in a cool and well-ventilated place.

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