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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® LR9373
SiSiB® LR9373

SiSiB® LR9373 is a two-component, translucent, self-adhesive addition-cure liquid silicone rubber designed for injection or compression molding. It exhibits excellent adhesion to engineering plastics such as PC, PET, and PBT without the use of primers, while maintaining good release properties from metal molds.

SiSiB® LR9373

Features


  • Excellent adhesion to PC, PET, and PBT


  • Non-adhesion to metal molds


  • Primerless bonding


  • Fast cure at moderate temperatures


  • Easy to pigment


  • High mechanical strength


  • Suitable for insert molding and co-injection molding


Physical Properties


Appearance

Translucent

Viscosity (Pa·s)

A: 2000-4000, B: 4000-7000

Mixing Ratio (A:B, by weight)

1:1

Specific Gravity (g/cm³)

1.15

Hardness (Shore A)

70

Tensile Strength (MPa)

Min.7.0

Elongation (%)

Min.350

Tear Strength (kN/m)

Min.35

Cure Time at 120°C

150 seconds (2 mm)

Note: These values are typical and are not intended for use as specifications.

Application


  • Overmolded components in consumer electronics


  • Seals, buttons, and grips in handheld devices


  • Medical-grade parts (upon request)


  • Automotive connectors and housing gaskets

Packing and Storage


SiSiB® LR9373 is supplied in 20Kg or 200Kg Drum.


In the unopened original container, it has a shelf life of 12 months at the temperatures below 37°C in a dry and cool place.

Documents

DownloadSiSiB® LR9373 Safety Data Sheet
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SiSiB® LR9373